3.517 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.023 * * * [progress]: [2/2] Setting up program. 0.026 * [progress]: [Phase 2 of 3] Improving. 0.026 * [simplify]: Simplifying using # : (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))) 0.029 * * [simplify]: iteration 0 : 27 enodes (cost 7 ) 0.030 * * [simplify]: iteration 1 : 55 enodes (cost 7 ) 0.032 * * [simplify]: iteration 2 : 121 enodes (cost 7 ) 0.035 * * [simplify]: iteration 3 : 295 enodes (cost 7 ) 0.042 * * [simplify]: iteration 4 : 876 enodes (cost 7 ) 0.061 * * [simplify]: iteration 5 : 3320 enodes (cost 7 ) 0.135 * * [simplify]: iteration 6 : 5002 enodes (cost 7 ) 0.136 * [simplify]: Simplified to: (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))) 0.136 * * [progress]: iteration 1 / 4 0.136 * * * [progress]: picking best candidate 0.138 * * * * [pick]: Picked # 0.138 * * * [progress]: localizing error 0.153 * * * [progress]: generating rewritten candidates 0.153 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.159 * * * [progress]: generating series expansions 0.159 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.159 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.159 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.159 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.159 * [taylor]: Taking taylor expansion of 9.0 in y 0.159 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.160 * [taylor]: Taking taylor expansion of x in y 0.160 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.160 * [taylor]: Taking taylor expansion of y in y 0.160 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.160 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.160 * [taylor]: Taking taylor expansion of 9.0 in x 0.160 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.160 * [taylor]: Taking taylor expansion of x 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 x 4)) (pow y 4)) in x 0.160 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.160 * [taylor]: Taking taylor expansion of 9.0 in x 0.160 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.160 * [taylor]: Taking taylor expansion of x 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 (- (pow y 4)) in y 0.160 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.160 * [taylor]: Taking taylor expansion of y in y 0.161 * [taylor]: Taking taylor expansion of 0 in y 0.162 * [taylor]: Taking taylor expansion of 0 in y 0.164 * [taylor]: Taking taylor expansion of 0 in y 0.164 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.164 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.164 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.164 * [taylor]: Taking taylor expansion of 9.0 in y 0.164 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.164 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.164 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.164 * [taylor]: Taking taylor expansion of 1.0 in y 0.164 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.164 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.164 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.164 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.165 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.165 * [taylor]: Taking taylor expansion of 4.0 in y 0.165 * [taylor]: Taking taylor expansion of (log x) in y 0.165 * [taylor]: Taking taylor expansion of x in y 0.165 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.165 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.165 * [taylor]: Taking taylor expansion of y in y 0.166 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.166 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.166 * [taylor]: Taking taylor expansion of 9.0 in x 0.166 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.166 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.166 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.166 * [taylor]: Taking taylor expansion of 1.0 in x 0.166 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.166 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.166 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.166 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.166 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.166 * [taylor]: Taking taylor expansion of 4.0 in x 0.166 * [taylor]: Taking taylor expansion of (log x) in x 0.166 * [taylor]: Taking taylor expansion of x in x 0.167 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.167 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.167 * [taylor]: Taking taylor expansion of y in x 0.168 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.168 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.168 * [taylor]: Taking taylor expansion of 9.0 in x 0.168 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.168 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.168 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.168 * [taylor]: Taking taylor expansion of 1.0 in x 0.168 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.168 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.168 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.168 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.168 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.168 * [taylor]: Taking taylor expansion of 4.0 in x 0.168 * [taylor]: Taking taylor expansion of (log x) in x 0.168 * [taylor]: Taking taylor expansion of x in x 0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.169 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.169 * [taylor]: Taking taylor expansion of y in x 0.170 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.170 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.170 * [taylor]: Taking taylor expansion of 9.0 in y 0.170 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.170 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.170 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.170 * [taylor]: Taking taylor expansion of 1.0 in y 0.170 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.170 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.170 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.170 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.170 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.170 * [taylor]: Taking taylor expansion of 4.0 in y 0.170 * [taylor]: Taking taylor expansion of (log x) in y 0.170 * [taylor]: Taking taylor expansion of x in y 0.170 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.170 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.170 * [taylor]: Taking taylor expansion of y in y 0.177 * [taylor]: Taking taylor expansion of 0 in y 0.187 * [taylor]: Taking taylor expansion of 0 in y 0.201 * [taylor]: Taking taylor expansion of 0 in y 0.221 * [taylor]: Taking taylor expansion of 0 in y 0.252 * [taylor]: Taking taylor expansion of 0 in y 0.296 * [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 0.362 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.362 * [taylor]: Taking taylor expansion of 9.0 in y 0.362 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.362 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.362 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.362 * [taylor]: Taking taylor expansion of 1.0 in y 0.362 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.362 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.362 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.362 * [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 0.365 * [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 0.374 * [taylor]: Taking taylor expansion of 0 in y 0.383 * [taylor]: Taking taylor expansion of 0 in y 0.402 * [taylor]: Taking taylor expansion of 0 in y 0.422 * [taylor]: Taking taylor expansion of 0 in y 0.450 * [taylor]: Taking taylor expansion of 0 in y 0.499 * [taylor]: Taking taylor expansion of 0 in y 0.567 * [taylor]: Taking taylor expansion of 0 in y 0.567 * * * [progress]: simplifying candidates 0.568 * [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)) 0.571 * * [simplify]: iteration 0 : 110 enodes (cost 102 ) 0.574 * * [simplify]: iteration 1 : 353 enodes (cost 92 ) 0.582 * * [simplify]: iteration 2 : 1439 enodes (cost 90 ) 0.619 * * [simplify]: iteration 3 : 5002 enodes (cost 90 ) 0.620 * [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)) 0.621 * * * [progress]: adding candidates to table 0.655 * * [progress]: iteration 2 / 4 0.655 * * * [progress]: picking best candidate 0.658 * * * * [pick]: Picked # 0.658 * * * [progress]: localizing error 0.673 * * * [progress]: generating rewritten candidates 0.673 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1 1) 0.679 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.689 * * * [progress]: generating series expansions 0.689 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1 1) 0.690 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.690 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.690 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.690 * [taylor]: Taking taylor expansion of 9.0 in y 0.690 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.690 * [taylor]: Taking taylor expansion of x in y 0.690 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.690 * [taylor]: Taking taylor expansion of y in y 0.690 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.690 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.690 * [taylor]: Taking taylor expansion of 9.0 in x 0.690 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.690 * [taylor]: Taking taylor expansion of x in x 0.690 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.690 * [taylor]: Taking taylor expansion of y in x 0.690 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.690 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.690 * [taylor]: Taking taylor expansion of 9.0 in x 0.690 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.690 * [taylor]: Taking taylor expansion of x in x 0.690 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.690 * [taylor]: Taking taylor expansion of y in x 0.690 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.690 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.690 * [taylor]: Taking taylor expansion of y in y 0.691 * [taylor]: Taking taylor expansion of 0 in y 0.693 * [taylor]: Taking taylor expansion of 0 in y 0.694 * [taylor]: Taking taylor expansion of 0 in y 0.694 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.694 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.694 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.695 * [taylor]: Taking taylor expansion of 9.0 in y 0.695 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.695 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.695 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.695 * [taylor]: Taking taylor expansion of 1.0 in y 0.695 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.695 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.695 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.695 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.695 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.695 * [taylor]: Taking taylor expansion of 4.0 in y 0.695 * [taylor]: Taking taylor expansion of (log x) in y 0.695 * [taylor]: Taking taylor expansion of x in y 0.695 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.695 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.695 * [taylor]: Taking taylor expansion of y in y 0.696 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.696 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.696 * [taylor]: Taking taylor expansion of 9.0 in x 0.696 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.696 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.696 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.696 * [taylor]: Taking taylor expansion of 1.0 in x 0.696 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.696 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.696 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.696 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.696 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.696 * [taylor]: Taking taylor expansion of 4.0 in x 0.696 * [taylor]: Taking taylor expansion of (log x) in x 0.696 * [taylor]: Taking taylor expansion of x in x 0.697 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.697 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.697 * [taylor]: Taking taylor expansion of y in x 0.698 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.698 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.698 * [taylor]: Taking taylor expansion of 9.0 in x 0.698 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.698 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.698 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.698 * [taylor]: Taking taylor expansion of 1.0 in x 0.698 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.698 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.698 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.698 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.698 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.698 * [taylor]: Taking taylor expansion of 4.0 in x 0.698 * [taylor]: Taking taylor expansion of (log x) in x 0.698 * [taylor]: Taking taylor expansion of x in x 0.699 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.699 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.699 * [taylor]: Taking taylor expansion of y in x 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 0.707 * [taylor]: Taking taylor expansion of 0 in y 0.716 * [taylor]: Taking taylor expansion of 0 in y 0.730 * [taylor]: Taking taylor expansion of 0 in y 0.750 * [taylor]: Taking taylor expansion of 0 in y 0.805 * [taylor]: Taking taylor expansion of 0 in y 0.858 * [taylor]: Taking taylor expansion of 0 in y 0.936 * [taylor]: Taking taylor expansion of 0 in y 0.937 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.937 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.937 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.937 * [taylor]: Taking taylor expansion of 9.0 in y 0.937 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.937 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.937 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.937 * [taylor]: Taking taylor expansion of 1.0 in y 0.937 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.937 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.937 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.937 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.937 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.937 * [taylor]: Taking taylor expansion of 4.0 in y 0.937 * [taylor]: Taking taylor expansion of (log x) in y 0.937 * [taylor]: Taking taylor expansion of x in y 0.938 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.938 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.938 * [taylor]: Taking taylor expansion of y in y 0.939 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.939 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.939 * [taylor]: Taking taylor expansion of 9.0 in x 0.939 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.939 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.939 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.939 * [taylor]: Taking taylor expansion of 1.0 in x 0.939 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.939 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.939 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.939 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.939 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.939 * [taylor]: Taking taylor expansion of 4.0 in x 0.939 * [taylor]: Taking taylor expansion of (log x) in x 0.939 * [taylor]: Taking taylor expansion of x in x 0.940 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.940 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.940 * [taylor]: Taking taylor expansion of y in x 0.940 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.940 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.941 * [taylor]: Taking taylor expansion of 9.0 in x 0.941 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.941 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.941 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.941 * [taylor]: Taking taylor expansion of 1.0 in x 0.941 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.941 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.941 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.941 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.941 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.941 * [taylor]: Taking taylor expansion of 4.0 in x 0.941 * [taylor]: Taking taylor expansion of (log x) in x 0.941 * [taylor]: Taking taylor expansion of x in x 0.942 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.942 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.942 * [taylor]: Taking taylor expansion of y in x 0.943 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.943 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.943 * [taylor]: Taking taylor expansion of 9.0 in y 0.943 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.943 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.943 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.943 * [taylor]: Taking taylor expansion of 1.0 in y 0.943 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.943 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.943 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.943 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.943 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.943 * [taylor]: Taking taylor expansion of 4.0 in y 0.943 * [taylor]: Taking taylor expansion of (log x) in y 0.943 * [taylor]: Taking taylor expansion of x in y 0.943 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.943 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.943 * [taylor]: Taking taylor expansion of y in y 0.949 * [taylor]: Taking taylor expansion of 0 in y 0.959 * [taylor]: Taking taylor expansion of 0 in y 0.978 * [taylor]: Taking taylor expansion of 0 in y 0.998 * [taylor]: Taking taylor expansion of 0 in y 1.026 * [taylor]: Taking taylor expansion of 0 in y 1.075 * [taylor]: Taking taylor expansion of 0 in y 1.142 * [taylor]: Taking taylor expansion of 0 in y 1.143 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 1.143 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 1.143 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 1.143 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 1.143 * [taylor]: Taking taylor expansion of 9.0 in y 1.143 * [taylor]: Taking taylor expansion of (pow x 4) in y 1.143 * [taylor]: Taking taylor expansion of x in y 1.143 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.143 * [taylor]: Taking taylor expansion of y in y 1.143 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.143 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.143 * [taylor]: Taking taylor expansion of 9.0 in x 1.143 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.143 * [taylor]: Taking taylor expansion of x in x 1.143 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.143 * [taylor]: Taking taylor expansion of y in x 1.143 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.143 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.143 * [taylor]: Taking taylor expansion of 9.0 in x 1.143 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.143 * [taylor]: Taking taylor expansion of x in x 1.143 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.143 * [taylor]: Taking taylor expansion of y in x 1.144 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 1.144 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.144 * [taylor]: Taking taylor expansion of y in y 1.144 * [taylor]: Taking taylor expansion of 0 in y 1.146 * [taylor]: Taking taylor expansion of 0 in y 1.147 * [taylor]: Taking taylor expansion of 0 in y 1.147 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.148 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.148 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.148 * [taylor]: Taking taylor expansion of 9.0 in y 1.148 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.148 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.148 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.148 * [taylor]: Taking taylor expansion of 1.0 in y 1.148 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.148 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.148 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.148 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.148 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.148 * [taylor]: Taking taylor expansion of 4.0 in y 1.148 * [taylor]: Taking taylor expansion of (log x) in y 1.148 * [taylor]: Taking taylor expansion of x in y 1.148 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.148 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.148 * [taylor]: Taking taylor expansion of y in y 1.149 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.149 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.149 * [taylor]: Taking taylor expansion of 9.0 in x 1.149 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.149 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.149 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.149 * [taylor]: Taking taylor expansion of 1.0 in x 1.149 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.149 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.149 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.149 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.149 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.149 * [taylor]: Taking taylor expansion of 4.0 in x 1.149 * [taylor]: Taking taylor expansion of (log x) in x 1.149 * [taylor]: Taking taylor expansion of x in x 1.151 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.151 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.151 * [taylor]: Taking taylor expansion of y in x 1.151 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.151 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.151 * [taylor]: Taking taylor expansion of 9.0 in x 1.151 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.151 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.151 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.151 * [taylor]: Taking taylor expansion of 1.0 in x 1.151 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.151 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.151 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.151 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.151 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.151 * [taylor]: Taking taylor expansion of 4.0 in x 1.151 * [taylor]: Taking taylor expansion of (log x) in x 1.151 * [taylor]: Taking taylor expansion of x in x 1.152 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.152 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.152 * [taylor]: Taking taylor expansion of y in x 1.153 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.153 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.153 * [taylor]: Taking taylor expansion of 9.0 in y 1.153 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.153 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.153 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.153 * [taylor]: Taking taylor expansion of 1.0 in y 1.153 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.153 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.153 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.153 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.153 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.153 * [taylor]: Taking taylor expansion of 4.0 in y 1.153 * [taylor]: Taking taylor expansion of (log x) in y 1.153 * [taylor]: Taking taylor expansion of x in y 1.154 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.154 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.154 * [taylor]: Taking taylor expansion of y in y 1.160 * [taylor]: Taking taylor expansion of 0 in y 1.169 * [taylor]: Taking taylor expansion of 0 in y 1.182 * [taylor]: Taking taylor expansion of 0 in y 1.202 * [taylor]: Taking taylor expansion of 0 in y 1.234 * [taylor]: Taking taylor expansion of 0 in y 1.276 * [taylor]: Taking taylor expansion of 0 in y 1.342 * [taylor]: Taking taylor expansion of 0 in y 1.343 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.343 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.343 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.343 * [taylor]: Taking taylor expansion of 9.0 in y 1.343 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.343 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.343 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.343 * [taylor]: Taking taylor expansion of 1.0 in y 1.343 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.343 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.343 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.343 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.343 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.343 * [taylor]: Taking taylor expansion of 4.0 in y 1.343 * [taylor]: Taking taylor expansion of (log x) in y 1.343 * [taylor]: Taking taylor expansion of x in y 1.344 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.344 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.344 * [taylor]: Taking taylor expansion of y in y 1.345 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.345 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.345 * [taylor]: Taking taylor expansion of 9.0 in x 1.345 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.345 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.345 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.345 * [taylor]: Taking taylor expansion of 1.0 in x 1.345 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.345 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.345 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.345 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.345 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.345 * [taylor]: Taking taylor expansion of 4.0 in x 1.345 * [taylor]: Taking taylor expansion of (log x) in x 1.345 * [taylor]: Taking taylor expansion of x in x 1.346 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.346 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.346 * [taylor]: Taking taylor expansion of y in x 1.346 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.346 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.346 * [taylor]: Taking taylor expansion of 9.0 in x 1.346 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.346 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.346 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.346 * [taylor]: Taking taylor expansion of 1.0 in x 1.346 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.346 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.346 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.346 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.346 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.346 * [taylor]: Taking taylor expansion of 4.0 in x 1.346 * [taylor]: Taking taylor expansion of (log x) in x 1.346 * [taylor]: Taking taylor expansion of x in x 1.347 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.347 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.347 * [taylor]: Taking taylor expansion of y in x 1.348 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.348 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.348 * [taylor]: Taking taylor expansion of 9.0 in y 1.348 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.348 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.348 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.348 * [taylor]: Taking taylor expansion of 1.0 in y 1.348 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.348 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.348 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.348 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.348 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.348 * [taylor]: Taking taylor expansion of 4.0 in y 1.348 * [taylor]: Taking taylor expansion of (log x) in y 1.348 * [taylor]: Taking taylor expansion of x in y 1.349 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.349 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.349 * [taylor]: Taking taylor expansion of y in y 1.355 * [taylor]: Taking taylor expansion of 0 in y 1.365 * [taylor]: Taking taylor expansion of 0 in y 1.383 * [taylor]: Taking taylor expansion of 0 in y 1.402 * [taylor]: Taking taylor expansion of 0 in y 1.430 * [taylor]: Taking taylor expansion of 0 in y 1.477 * [taylor]: Taking taylor expansion of 0 in y 1.544 * [taylor]: Taking taylor expansion of 0 in y 1.545 * * * [progress]: simplifying candidates 1.546 * [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)) 1.550 * * [simplify]: iteration 0 : 187 enodes (cost 308 ) 1.554 * * [simplify]: iteration 1 : 705 enodes (cost 306 ) 1.570 * * [simplify]: iteration 2 : 3702 enodes (cost 302 ) 1.662 * * [simplify]: iteration 3 : 5002 enodes (cost 302 ) 1.665 * [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)) 1.665 * * * [progress]: adding candidates to table 1.759 * [progress]: [Phase 3 of 3] Extracting. 1.762 * [simplify]: Simplifying using # : (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 1.763 * * [simplify]: iteration 0 : 18 enodes (cost 9 ) 1.763 * * [simplify]: iteration 1 : 18 enodes (cost 9 ) 1.763 * [simplify]: Simplified to: (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 2.461 * [regime-testing]: End program error score: 51.99999982801125