15.269 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.025 * * * [progress]: [2/2] Setting up program. 0.028 * [progress]: [Phase 2 of 3] Improving. 0.028 * [simplify]: Simplifying using # : (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))) 0.030 * * [simplify]: iteration 0 : 27 enodes (cost 7 ) 0.032 * * [simplify]: iteration 1 : 55 enodes (cost 7 ) 0.034 * * [simplify]: iteration 2 : 121 enodes (cost 7 ) 0.037 * * [simplify]: iteration 3 : 295 enodes (cost 7 ) 0.043 * * [simplify]: iteration 4 : 876 enodes (cost 7 ) 0.062 * * [simplify]: iteration 5 : 3320 enodes (cost 7 ) 0.132 * * [simplify]: iteration 6 : 5002 enodes (cost 7 ) 0.132 * [simplify]: Simplified to: (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))) 0.133 * * [progress]: iteration 1 / 4 0.133 * * * [progress]: picking best candidate 0.135 * * * * [pick]: Picked # 0.135 * * * [progress]: localizing error 0.146 * * * [progress]: generating rewritten candidates 0.146 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.151 * * * [progress]: generating series expansions 0.151 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.152 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.152 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.152 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.152 * [taylor]: Taking taylor expansion of 9.0 in y 0.152 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.152 * [taylor]: Taking taylor expansion of x in y 0.152 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.152 * [taylor]: Taking taylor expansion of y in y 0.152 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.152 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.152 * [taylor]: Taking taylor expansion of 9.0 in x 0.152 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.152 * [taylor]: Taking taylor expansion of x in x 0.152 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.152 * [taylor]: Taking taylor expansion of y in x 0.152 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.152 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.152 * [taylor]: Taking taylor expansion of 9.0 in x 0.152 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.152 * [taylor]: Taking taylor expansion of x in x 0.152 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.152 * [taylor]: Taking taylor expansion of y in x 0.152 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.152 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.152 * [taylor]: Taking taylor expansion of y in y 0.153 * [taylor]: Taking taylor expansion of 0 in y 0.154 * [taylor]: Taking taylor expansion of 0 in y 0.156 * [taylor]: Taking taylor expansion of 0 in y 0.156 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.156 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.156 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.156 * [taylor]: Taking taylor expansion of 9.0 in y 0.156 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.157 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.157 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.157 * [taylor]: Taking taylor expansion of 1.0 in y 0.157 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.157 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.157 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.157 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.157 * [taylor]: Taking taylor expansion of 4.0 in y 0.157 * [taylor]: Taking taylor expansion of (log x) in y 0.157 * [taylor]: Taking taylor expansion of x in y 0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.157 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.157 * [taylor]: Taking taylor expansion of y in y 0.158 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.158 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.158 * [taylor]: Taking taylor expansion of 9.0 in x 0.158 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.158 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.158 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.158 * [taylor]: Taking taylor expansion of 1.0 in x 0.158 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.158 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.158 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.158 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.158 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.158 * [taylor]: Taking taylor expansion of 4.0 in x 0.158 * [taylor]: Taking taylor expansion of (log x) in x 0.158 * [taylor]: Taking taylor expansion of x in x 0.159 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.160 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.160 * [taylor]: Taking taylor expansion of y in x 0.160 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.160 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.160 * [taylor]: Taking taylor expansion of 9.0 in x 0.160 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.160 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.160 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.160 * [taylor]: Taking taylor expansion of 1.0 in x 0.160 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.160 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.160 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.160 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.160 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.160 * [taylor]: Taking taylor expansion of 4.0 in x 0.160 * [taylor]: Taking taylor expansion of (log x) in x 0.160 * [taylor]: Taking taylor expansion of x in x 0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.161 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.161 * [taylor]: Taking taylor expansion of y in x 0.162 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.162 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.162 * [taylor]: Taking taylor expansion of 9.0 in y 0.162 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.162 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.162 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.162 * [taylor]: Taking taylor expansion of 1.0 in y 0.162 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.162 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.162 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.162 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.162 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.162 * [taylor]: Taking taylor expansion of 4.0 in y 0.162 * [taylor]: Taking taylor expansion of (log x) in y 0.162 * [taylor]: Taking taylor expansion of x in y 0.163 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.163 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.163 * [taylor]: Taking taylor expansion of y in y 0.169 * [taylor]: Taking taylor expansion of 0 in y 0.179 * [taylor]: Taking taylor expansion of 0 in y 0.193 * [taylor]: Taking taylor expansion of 0 in y 0.217 * [taylor]: Taking taylor expansion of 0 in y 0.245 * [taylor]: Taking taylor expansion of 0 in y 0.295 * [taylor]: Taking taylor expansion of 0 in y 0.361 * [taylor]: Taking taylor expansion of 0 in y 0.361 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.361 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.361 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.361 * [taylor]: Taking taylor expansion of 9.0 in y 0.361 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.361 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.361 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.361 * [taylor]: Taking taylor expansion of 1.0 in y 0.361 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.361 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.361 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.361 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.362 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.362 * [taylor]: Taking taylor expansion of 4.0 in y 0.362 * [taylor]: Taking taylor expansion of (log x) in y 0.362 * [taylor]: Taking taylor expansion of x in y 0.362 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.362 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.362 * [taylor]: Taking taylor expansion of y in y 0.363 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.363 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.363 * [taylor]: Taking taylor expansion of 9.0 in x 0.363 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.363 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.363 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.363 * [taylor]: Taking taylor expansion of 1.0 in x 0.363 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.363 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.363 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.363 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.363 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.363 * [taylor]: Taking taylor expansion of 4.0 in x 0.363 * [taylor]: Taking taylor expansion of (log x) in x 0.363 * [taylor]: Taking taylor expansion of x in x 0.364 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.364 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.364 * [taylor]: Taking taylor expansion of y in x 0.365 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.365 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.365 * [taylor]: Taking taylor expansion of 9.0 in x 0.365 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.365 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.365 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.365 * [taylor]: Taking taylor expansion of 1.0 in x 0.365 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.365 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.365 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.365 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.365 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.365 * [taylor]: Taking taylor expansion of 4.0 in x 0.365 * [taylor]: Taking taylor expansion of (log x) in x 0.365 * [taylor]: Taking taylor expansion of x in x 0.366 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.366 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.366 * [taylor]: Taking taylor expansion of y in x 0.367 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.367 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.367 * [taylor]: Taking taylor expansion of 9.0 in y 0.367 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.367 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.367 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.367 * [taylor]: Taking taylor expansion of 1.0 in y 0.367 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.367 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.367 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.367 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.367 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.367 * [taylor]: Taking taylor expansion of 4.0 in y 0.367 * [taylor]: Taking taylor expansion of (log x) in y 0.367 * [taylor]: Taking taylor expansion of x in y 0.368 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.368 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.368 * [taylor]: Taking taylor expansion of y in y 0.380 * [taylor]: Taking taylor expansion of 0 in y 0.390 * [taylor]: Taking taylor expansion of 0 in y 0.404 * [taylor]: Taking taylor expansion of 0 in y 0.424 * [taylor]: Taking taylor expansion of 0 in y 0.452 * [taylor]: Taking taylor expansion of 0 in y 0.502 * [taylor]: Taking taylor expansion of 0 in y 0.571 * [taylor]: Taking taylor expansion of 0 in y 0.572 * * * [progress]: simplifying candidates 0.572 * [simplify]: Simplifying using # : (/ (exp (* 9.0 (pow x 4.0))) (exp (pow y 4.0))) (log (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (* (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (* (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (- (pow (* 9.0 (pow x 4.0)) 3) (pow (pow y 4.0) 3)) (+ (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (+ (* (pow y 4.0) (pow y 4.0)) (* (* 9.0 (pow x 4.0)) (pow y 4.0)))) (- (pow y 4.0)) (- (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (* (pow y 4.0) (pow y 4.0))) (+ (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (pow y 4.0)) 0 (- (* 9.0 (pow x 4)) (pow y 4)) (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4)) 0.575 * * [simplify]: iteration 0 : 110 enodes (cost 102 ) 0.578 * * [simplify]: iteration 1 : 353 enodes (cost 92 ) 0.586 * * [simplify]: iteration 2 : 1439 enodes (cost 90 ) 0.622 * * [simplify]: iteration 3 : 5002 enodes (cost 90 ) 0.623 * [simplify]: Simplified to: (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (log (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (* (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (- (pow (* 9.0 (pow x 4.0)) 3) (pow (pow y 4.0) 3)) (+ (* (* 9.0 (pow x 4.0)) (+ (* 9.0 (pow x 4.0)) (pow y 4.0))) (pow y (* 2 4.0))) (- (pow y 4.0)) (+ (- (pow y (* 2 4.0))) (* 9.0 (* 9.0 (pow x (* 2 4.0))))) (+ (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (pow y 4.0)) 0 (- (* 9.0 (pow x 4)) (pow y 4)) (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4)) 0.623 * * * [progress]: adding candidates to table 0.664 * * [progress]: iteration 2 / 4 0.664 * * * [progress]: picking best candidate 0.667 * * * * [pick]: Picked # 0.667 * * * [progress]: localizing error 0.682 * * * [progress]: generating rewritten candidates 0.682 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1 1) 0.687 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.695 * * * [progress]: generating series expansions 0.695 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1 1) 0.695 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.695 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.695 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.695 * [taylor]: Taking taylor expansion of 9.0 in y 0.695 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.695 * [taylor]: Taking taylor expansion of x in y 0.695 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.695 * [taylor]: Taking taylor expansion of y in y 0.695 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.695 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.695 * [taylor]: Taking taylor expansion of 9.0 in x 0.695 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.695 * [taylor]: Taking taylor expansion of x in x 0.695 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.695 * [taylor]: Taking taylor expansion of y in x 0.695 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.695 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.695 * [taylor]: Taking taylor expansion of 9.0 in x 0.695 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.695 * [taylor]: Taking taylor expansion of x in x 0.695 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.695 * [taylor]: Taking taylor expansion of y in x 0.696 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.696 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.696 * [taylor]: Taking taylor expansion of y in y 0.697 * [taylor]: Taking taylor expansion of 0 in y 0.698 * [taylor]: Taking taylor expansion of 0 in y 0.699 * [taylor]: Taking taylor expansion of 0 in y 0.700 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.700 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.700 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.700 * [taylor]: Taking taylor expansion of 9.0 in y 0.700 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.700 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.700 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.700 * [taylor]: Taking taylor expansion of 1.0 in y 0.700 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.700 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.700 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.700 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.700 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.700 * [taylor]: Taking taylor expansion of 4.0 in y 0.700 * [taylor]: Taking taylor expansion of (log x) in y 0.700 * [taylor]: Taking taylor expansion of x in y 0.701 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.701 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.701 * [taylor]: Taking taylor expansion of y in y 0.701 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.702 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.702 * [taylor]: Taking taylor expansion of 9.0 in x 0.702 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.702 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.702 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.702 * [taylor]: Taking taylor expansion of 1.0 in x 0.702 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.702 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.702 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.702 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.702 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.702 * [taylor]: Taking taylor expansion of 4.0 in x 0.702 * [taylor]: Taking taylor expansion of (log x) in x 0.702 * [taylor]: Taking taylor expansion of x in x 0.703 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.703 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.703 * [taylor]: Taking taylor expansion of y in x 0.703 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.703 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.703 * [taylor]: Taking taylor expansion of 9.0 in x 0.703 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.703 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.703 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.703 * [taylor]: Taking taylor expansion of 1.0 in x 0.703 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.703 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.703 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.703 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.703 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.703 * [taylor]: Taking taylor expansion of 4.0 in x 0.703 * [taylor]: Taking taylor expansion of (log x) in x 0.703 * [taylor]: Taking taylor expansion of x in x 0.704 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.705 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.705 * [taylor]: Taking taylor expansion of y in x 0.705 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.705 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.705 * [taylor]: Taking taylor expansion of 9.0 in y 0.705 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.705 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.705 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.705 * [taylor]: Taking taylor expansion of 1.0 in y 0.705 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.705 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.705 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.705 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.706 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.706 * [taylor]: Taking taylor expansion of 4.0 in y 0.706 * [taylor]: Taking taylor expansion of (log x) in y 0.706 * [taylor]: Taking taylor expansion of x in y 0.706 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.706 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.706 * [taylor]: Taking taylor expansion of y in y 0.712 * [taylor]: Taking taylor expansion of 0 in y 0.723 * [taylor]: Taking taylor expansion of 0 in y 0.737 * [taylor]: Taking taylor expansion of 0 in y 0.763 * [taylor]: Taking taylor expansion of 0 in y 0.792 * [taylor]: Taking taylor expansion of 0 in y 0.841 * [taylor]: Taking taylor expansion of 0 in y 0.904 * [taylor]: Taking taylor expansion of 0 in y 0.905 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.905 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.905 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.905 * [taylor]: Taking taylor expansion of 9.0 in y 0.905 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.905 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.905 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.905 * [taylor]: Taking taylor expansion of 1.0 in y 0.905 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.905 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.905 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.905 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.905 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.905 * [taylor]: Taking taylor expansion of 4.0 in y 0.905 * [taylor]: Taking taylor expansion of (log x) in y 0.905 * [taylor]: Taking taylor expansion of x in y 0.906 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.906 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.906 * [taylor]: Taking taylor expansion of y in y 0.907 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.907 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.907 * [taylor]: Taking taylor expansion of 9.0 in x 0.907 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.907 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.907 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.907 * [taylor]: Taking taylor expansion of 1.0 in x 0.907 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.907 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.907 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.907 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.907 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.907 * [taylor]: Taking taylor expansion of 4.0 in x 0.907 * [taylor]: Taking taylor expansion of (log x) in x 0.907 * [taylor]: Taking taylor expansion of x in x 0.908 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.908 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.908 * [taylor]: Taking taylor expansion of y in x 0.908 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.908 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.909 * [taylor]: Taking taylor expansion of 9.0 in x 0.909 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.909 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.909 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.909 * [taylor]: Taking taylor expansion of 1.0 in x 0.909 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.909 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.909 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.909 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.909 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.909 * [taylor]: Taking taylor expansion of 4.0 in x 0.909 * [taylor]: Taking taylor expansion of (log x) in x 0.909 * [taylor]: Taking taylor expansion of x in x 0.910 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.910 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.910 * [taylor]: Taking taylor expansion of y in x 0.911 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.911 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.911 * [taylor]: Taking taylor expansion of 9.0 in y 0.911 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.911 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.911 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.911 * [taylor]: Taking taylor expansion of 1.0 in y 0.911 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.911 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.911 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.911 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.911 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.911 * [taylor]: Taking taylor expansion of 4.0 in y 0.911 * [taylor]: Taking taylor expansion of (log x) in y 0.911 * [taylor]: Taking taylor expansion of x in y 0.911 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.912 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.912 * [taylor]: Taking taylor expansion of y in y 0.923 * [taylor]: Taking taylor expansion of 0 in y 0.933 * [taylor]: Taking taylor expansion of 0 in y 0.946 * [taylor]: Taking taylor expansion of 0 in y 0.967 * [taylor]: Taking taylor expansion of 0 in y 0.995 * [taylor]: Taking taylor expansion of 0 in y 1.044 * [taylor]: Taking taylor expansion of 0 in y 1.114 * [taylor]: Taking taylor expansion of 0 in y 1.115 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 1.115 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 1.115 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 1.115 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 1.115 * [taylor]: Taking taylor expansion of 9.0 in y 1.115 * [taylor]: Taking taylor expansion of (pow x 4) in y 1.115 * [taylor]: Taking taylor expansion of x in y 1.115 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.115 * [taylor]: Taking taylor expansion of y in y 1.115 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.115 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.115 * [taylor]: Taking taylor expansion of 9.0 in x 1.115 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.115 * [taylor]: Taking taylor expansion of x in x 1.115 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.115 * [taylor]: Taking taylor expansion of y in x 1.115 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.115 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.115 * [taylor]: Taking taylor expansion of 9.0 in x 1.116 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.116 * [taylor]: Taking taylor expansion of x in x 1.116 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.116 * [taylor]: Taking taylor expansion of y in x 1.116 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 1.116 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.116 * [taylor]: Taking taylor expansion of y in y 1.117 * [taylor]: Taking taylor expansion of 0 in y 1.118 * [taylor]: Taking taylor expansion of 0 in y 1.119 * [taylor]: Taking taylor expansion of 0 in y 1.120 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.120 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.120 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.120 * [taylor]: Taking taylor expansion of 9.0 in y 1.120 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.120 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.120 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.120 * [taylor]: Taking taylor expansion of 1.0 in y 1.120 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.120 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.120 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.120 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.120 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.120 * [taylor]: Taking taylor expansion of 4.0 in y 1.120 * [taylor]: Taking taylor expansion of (log x) in y 1.120 * [taylor]: Taking taylor expansion of x in y 1.121 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.121 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.121 * [taylor]: Taking taylor expansion of y in y 1.121 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.121 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.121 * [taylor]: Taking taylor expansion of 9.0 in x 1.121 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.122 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.122 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.122 * [taylor]: Taking taylor expansion of 1.0 in x 1.122 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.122 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.122 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.122 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.122 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.122 * [taylor]: Taking taylor expansion of 4.0 in x 1.122 * [taylor]: Taking taylor expansion of (log x) in x 1.122 * [taylor]: Taking taylor expansion of x in x 1.123 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.123 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.123 * [taylor]: Taking taylor expansion of y in x 1.123 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.123 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.123 * [taylor]: Taking taylor expansion of 9.0 in x 1.123 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.123 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.123 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.123 * [taylor]: Taking taylor expansion of 1.0 in x 1.123 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.123 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.123 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.123 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.123 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.123 * [taylor]: Taking taylor expansion of 4.0 in x 1.123 * [taylor]: Taking taylor expansion of (log x) in x 1.123 * [taylor]: Taking taylor expansion of x in x 1.124 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.124 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.124 * [taylor]: Taking taylor expansion of y in x 1.125 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.125 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.125 * [taylor]: Taking taylor expansion of 9.0 in y 1.125 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.125 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.125 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.125 * [taylor]: Taking taylor expansion of 1.0 in y 1.125 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.125 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.125 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.125 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.125 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.125 * [taylor]: Taking taylor expansion of 4.0 in y 1.126 * [taylor]: Taking taylor expansion of (log x) in y 1.126 * [taylor]: Taking taylor expansion of x in y 1.126 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.126 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.126 * [taylor]: Taking taylor expansion of y in y 1.132 * [taylor]: Taking taylor expansion of 0 in y 1.142 * [taylor]: Taking taylor expansion of 0 in y 1.156 * [taylor]: Taking taylor expansion of 0 in y 1.183 * [taylor]: Taking taylor expansion of 0 in y 1.211 * [taylor]: Taking taylor expansion of 0 in y 1.261 * [taylor]: Taking taylor expansion of 0 in y 1.325 * [taylor]: Taking taylor expansion of 0 in y 1.326 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.326 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.326 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.326 * [taylor]: Taking taylor expansion of 9.0 in y 1.326 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.326 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.326 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.326 * [taylor]: Taking taylor expansion of 1.0 in y 1.326 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.326 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.326 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.326 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.326 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.326 * [taylor]: Taking taylor expansion of 4.0 in y 1.326 * [taylor]: Taking taylor expansion of (log x) in y 1.326 * [taylor]: Taking taylor expansion of x in y 1.326 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.327 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.327 * [taylor]: Taking taylor expansion of y in y 1.327 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.327 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.327 * [taylor]: Taking taylor expansion of 9.0 in x 1.327 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.327 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.327 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.327 * [taylor]: Taking taylor expansion of 1.0 in x 1.327 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.328 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.328 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.328 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.328 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.328 * [taylor]: Taking taylor expansion of 4.0 in x 1.328 * [taylor]: Taking taylor expansion of (log x) in x 1.328 * [taylor]: Taking taylor expansion of x in x 1.329 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.329 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.329 * [taylor]: Taking taylor expansion of y in x 1.329 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.329 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.329 * [taylor]: Taking taylor expansion of 9.0 in x 1.329 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.329 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.329 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.329 * [taylor]: Taking taylor expansion of 1.0 in x 1.329 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.329 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.329 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.329 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.329 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.329 * [taylor]: Taking taylor expansion of 4.0 in x 1.329 * [taylor]: Taking taylor expansion of (log x) in x 1.329 * [taylor]: Taking taylor expansion of x in x 1.330 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.330 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.330 * [taylor]: Taking taylor expansion of y in x 1.331 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.331 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.331 * [taylor]: Taking taylor expansion of 9.0 in y 1.331 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.331 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.331 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.331 * [taylor]: Taking taylor expansion of 1.0 in y 1.331 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.331 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.331 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.331 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.331 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.332 * [taylor]: Taking taylor expansion of 4.0 in y 1.332 * [taylor]: Taking taylor expansion of (log x) in y 1.332 * [taylor]: Taking taylor expansion of x in y 1.338 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.339 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.339 * [taylor]: Taking taylor expansion of y in y 1.345 * [taylor]: Taking taylor expansion of 0 in y 1.355 * [taylor]: Taking taylor expansion of 0 in y 1.370 * [taylor]: Taking taylor expansion of 0 in y 1.390 * [taylor]: Taking taylor expansion of 0 in y 1.418 * [taylor]: Taking taylor expansion of 0 in y 1.468 * [taylor]: Taking taylor expansion of 0 in y 1.538 * [taylor]: Taking taylor expansion of 0 in y 1.539 * * * [progress]: simplifying candidates 1.539 * [simplify]: Simplifying using # : (/ (exp (* 9.0 (pow x 4.0))) (exp (pow y 4.0))) (log (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (* (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (* (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (- (pow (* 9.0 (pow x 4.0)) 3) (pow (pow y 4.0) 3)) (+ (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (+ (* (pow y 4.0) (pow y 4.0)) (* (* 9.0 (pow x 4.0)) (pow y 4.0)))) (- (pow y 4.0)) (- (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (* (pow y 4.0) (pow y 4.0))) (+ (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (pow y 4.0)) (log (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (exp (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (cbrt (pow (* (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) 3)) (cbrt (pow (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) 3)) (cbrt (pow (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) 3)) (cbrt (pow (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) 3)) (cbrt (pow 1 3)) (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (cbrt (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (* (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)))) (cbrt (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (cbrt (pow (* (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) 3)) (cbrt (pow (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) 3)) (cbrt (pow (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) 3)) (cbrt (pow (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) 3)) (cbrt (pow 1 3)) (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (sqrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (cbrt (sqrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (cbrt 1) (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (/ 3 2))) (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (/ 3 2))) (cbrt (pow (- (pow (* 9.0 (pow x 4.0)) 3) (pow (pow y 4.0) 3)) 3)) (cbrt (pow (+ (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (+ (* (pow y 4.0) (pow y 4.0)) (* (* 9.0 (pow x 4.0)) (pow y 4.0)))) 3)) (cbrt (pow (- (* (* 9.0 (pow x 4.0)) (* 9.0 (pow x 4.0))) (* (pow y 4.0) (pow y 4.0))) 3)) (cbrt (pow (+ (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* (cbrt (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (cbrt (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)))) (cbrt (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (* (* (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (sqrt (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (sqrt (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) 0 (- (* 9.0 (pow x 4)) (pow y 4)) (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4)) 0 (- (* 9.0 (pow x 4)) (pow y 4)) (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4)) 1.544 * * [simplify]: iteration 0 : 187 enodes (cost 310 ) 1.548 * * [simplify]: iteration 1 : 705 enodes (cost 308 ) 1.564 * * [simplify]: iteration 2 : 3717 enodes (cost 304 ) 1.658 * * [simplify]: iteration 3 : 5002 enodes (cost 304 ) 1.660 * [simplify]: Simplified to: (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (log (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (- (pow (* 9.0 (pow x 4.0)) 3) (pow (pow y 4.0) 3)) (+ (* (* 9.0 (pow x 4.0)) (+ (* 9.0 (pow x 4.0)) (pow y 4.0))) (pow y (* 2 4.0))) (- (pow y 4.0)) (+ (- (pow y (* 2 4.0))) (* 9.0 (* 9.0 (pow x (* 2 4.0))))) (+ (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (pow y 4.0)) (log (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) 1 (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (cbrt (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) 1 (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (sqrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) (cbrt (sqrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3))) 1 (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (/ 3 2))) (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (/ 3 2))) (- (pow (* 9.0 (pow x 4.0)) 3) (pow (pow y 4.0) 3)) (+ (* (* 9.0 (pow x 4.0)) (+ (* 9.0 (pow x 4.0)) (pow y 4.0))) (pow y (* 2 4.0))) (+ (- (pow y (* 2 4.0))) (* 9.0 (* 9.0 (pow x (* 2 4.0))))) (+ (* 9.0 (pow x 4.0)) (pow y 4.0)) (cbrt (* (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) 0 (- (* 9.0 (pow x 4)) (pow y 4)) (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4)) 0 (- (* 9.0 (pow x 4)) (pow y 4)) (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4)) 1.660 * * * [progress]: adding candidates to table 1.762 * [progress]: [Phase 3 of 3] Extracting. 1.765 * [simplify]: Simplifying using # : (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 1.766 * * [simplify]: iteration 0 : 18 enodes (cost 9 ) 1.766 * * [simplify]: iteration 1 : 18 enodes (cost 9 ) 1.766 * [simplify]: Simplified to: (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 2.488 * [regime-testing]: End program error score: 51.99999982801125