4.108 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.022 * * * [progress]: [2/2] Setting up program. 0.024 * [progress]: [Phase 2 of 3] Improving. 0.025 * [simplify]: Simplifying using # : (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))) 0.027 * * [simplify]: iteration 0 : 27 enodes (cost 7 ) 0.028 * * [simplify]: iteration 1 : 55 enodes (cost 7 ) 0.030 * * [simplify]: iteration 2 : 121 enodes (cost 7 ) 0.033 * * [simplify]: iteration 3 : 295 enodes (cost 7 ) 0.039 * * [simplify]: iteration 4 : 876 enodes (cost 7 ) 0.057 * * [simplify]: iteration 5 : 3320 enodes (cost 7 ) 0.128 * * [simplify]: iteration 6 : 5002 enodes (cost 7 ) 0.128 * [simplify]: Simplified to: (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))) 0.128 * * [progress]: iteration 1 / 4 0.128 * * * [progress]: picking best candidate 0.130 * * * * [pick]: Picked # 0.131 * * * [progress]: localizing error 0.141 * * * [progress]: generating rewritten candidates 0.141 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.146 * * * [progress]: generating series expansions 0.146 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.146 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.146 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.146 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.146 * [taylor]: Taking taylor expansion of 9.0 in y 0.146 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.146 * [taylor]: Taking taylor expansion of x in y 0.146 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.146 * [taylor]: Taking taylor expansion of y in y 0.146 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.146 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.146 * [taylor]: Taking taylor expansion of 9.0 in x 0.146 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.146 * [taylor]: Taking taylor expansion of x in x 0.146 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.146 * [taylor]: Taking taylor expansion of y in x 0.146 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.147 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.147 * [taylor]: Taking taylor expansion of 9.0 in x 0.147 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.147 * [taylor]: Taking taylor expansion of x in x 0.147 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.147 * [taylor]: Taking taylor expansion of y in x 0.147 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.147 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.147 * [taylor]: Taking taylor expansion of y in y 0.148 * [taylor]: Taking taylor expansion of 0 in y 0.149 * [taylor]: Taking taylor expansion of 0 in y 0.150 * [taylor]: Taking taylor expansion of 0 in y 0.151 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.151 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.151 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.151 * [taylor]: Taking taylor expansion of 9.0 in y 0.151 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.151 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.151 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.151 * [taylor]: Taking taylor expansion of 1.0 in y 0.151 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.151 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.151 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.151 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.151 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.151 * [taylor]: Taking taylor expansion of 4.0 in y 0.151 * [taylor]: Taking taylor expansion of (log x) in y 0.151 * [taylor]: Taking taylor expansion of x in y 0.152 * [taylor]: Taking taylor expansion of (/ 1 (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 0.152 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.152 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.152 * [taylor]: Taking taylor expansion of 9.0 in x 0.152 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.152 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.152 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.153 * [taylor]: Taking taylor expansion of 1.0 in x 0.153 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.153 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.153 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.153 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.153 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.153 * [taylor]: Taking taylor expansion of 4.0 in x 0.153 * [taylor]: Taking taylor expansion of (log x) in x 0.153 * [taylor]: Taking taylor expansion of x in x 0.154 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.154 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.154 * [taylor]: Taking taylor expansion of y in x 0.154 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.154 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.154 * [taylor]: Taking taylor expansion of 9.0 in x 0.154 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.154 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.154 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.154 * [taylor]: Taking taylor expansion of 1.0 in x 0.154 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.154 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.154 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.154 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.154 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.154 * [taylor]: Taking taylor expansion of 4.0 in x 0.154 * [taylor]: Taking taylor expansion of (log x) in x 0.154 * [taylor]: Taking taylor expansion of x in x 0.155 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.155 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.155 * [taylor]: Taking taylor expansion of y in x 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 0.156 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.156 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.156 * [taylor]: Taking taylor expansion of 1.0 in y 0.156 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.156 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.156 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.156 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.156 * [taylor]: Taking taylor expansion of 4.0 in y 0.156 * [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 0.164 * [taylor]: Taking taylor expansion of 0 in y 0.173 * [taylor]: Taking taylor expansion of 0 in y 0.187 * [taylor]: Taking taylor expansion of 0 in y 0.211 * [taylor]: Taking taylor expansion of 0 in y 0.238 * [taylor]: Taking taylor expansion of 0 in y 0.286 * [taylor]: Taking taylor expansion of 0 in y 0.352 * [taylor]: Taking taylor expansion of 0 in y 0.353 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.353 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.353 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.353 * [taylor]: Taking taylor expansion of 9.0 in y 0.353 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.353 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.353 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.353 * [taylor]: Taking taylor expansion of 1.0 in y 0.353 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.353 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.353 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.353 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.353 * [taylor]: Taking taylor expansion of 4.0 in y 0.353 * [taylor]: Taking taylor expansion of (log x) in y 0.353 * [taylor]: Taking taylor expansion of x in y 0.353 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.353 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.353 * [taylor]: Taking taylor expansion of y in y 0.354 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.354 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.354 * [taylor]: Taking taylor expansion of 9.0 in x 0.354 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.354 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.354 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.354 * [taylor]: Taking taylor expansion of 1.0 in x 0.354 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.354 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.354 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.354 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.354 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.354 * [taylor]: Taking taylor expansion of 4.0 in x 0.354 * [taylor]: Taking taylor expansion of (log x) in x 0.354 * [taylor]: Taking taylor expansion of x in x 0.356 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.356 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.356 * [taylor]: Taking taylor expansion of y in x 0.356 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.356 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.356 * [taylor]: Taking taylor expansion of 9.0 in x 0.356 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.356 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.356 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.356 * [taylor]: Taking taylor expansion of 1.0 in x 0.356 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.356 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.356 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.356 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.356 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.356 * [taylor]: Taking taylor expansion of 4.0 in x 0.356 * [taylor]: Taking taylor expansion of (log x) in x 0.356 * [taylor]: Taking taylor expansion of x in x 0.357 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.357 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.357 * [taylor]: Taking taylor expansion of y in x 0.358 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.358 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.358 * [taylor]: Taking taylor expansion of 9.0 in y 0.358 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.358 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.358 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.358 * [taylor]: Taking taylor expansion of 1.0 in y 0.358 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.358 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.358 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.358 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.358 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.358 * [taylor]: Taking taylor expansion of 4.0 in y 0.358 * [taylor]: Taking taylor expansion of (log x) in y 0.358 * [taylor]: Taking taylor expansion of x in y 0.359 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.359 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.359 * [taylor]: Taking taylor expansion of y in y 0.365 * [taylor]: Taking taylor expansion of 0 in y 0.374 * [taylor]: Taking taylor expansion of 0 in y 0.387 * [taylor]: Taking taylor expansion of 0 in y 0.407 * [taylor]: Taking taylor expansion of 0 in y 0.438 * [taylor]: Taking taylor expansion of 0 in y 0.480 * [taylor]: Taking taylor expansion of 0 in y 0.547 * [taylor]: Taking taylor expansion of 0 in y 0.548 * * * [progress]: simplifying candidates 0.548 * [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)) 0.551 * * [simplify]: iteration 0 : 110 enodes (cost 102 ) 0.554 * * [simplify]: iteration 1 : 353 enodes (cost 92 ) 0.561 * * [simplify]: iteration 2 : 1439 enodes (cost 90 ) 0.597 * * [simplify]: iteration 3 : 5002 enodes (cost 90 ) 0.598 * [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)) 0.598 * * * [progress]: adding candidates to table 0.636 * * [progress]: iteration 2 / 4 0.636 * * * [progress]: picking best candidate 0.638 * * * * [pick]: Picked # 0.638 * * * [progress]: localizing error 0.652 * * * [progress]: generating rewritten candidates 0.652 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1 1) 0.657 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.665 * * * [progress]: generating series expansions 0.666 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1 1) 0.666 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.666 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.666 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.666 * [taylor]: Taking taylor expansion of 9.0 in y 0.666 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.666 * [taylor]: Taking taylor expansion of x in y 0.666 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.666 * [taylor]: Taking taylor expansion of y in y 0.666 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.666 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.666 * [taylor]: Taking taylor expansion of 9.0 in x 0.666 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.666 * [taylor]: Taking taylor expansion of x in x 0.666 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.666 * [taylor]: Taking taylor expansion of y in x 0.666 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.666 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.666 * [taylor]: Taking taylor expansion of 9.0 in x 0.666 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.666 * [taylor]: Taking taylor expansion of x in x 0.666 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.666 * [taylor]: Taking taylor expansion of y in x 0.666 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.667 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.667 * [taylor]: Taking taylor expansion of y in y 0.667 * [taylor]: Taking taylor expansion of 0 in y 0.668 * [taylor]: Taking taylor expansion of 0 in y 0.670 * [taylor]: Taking taylor expansion of 0 in y 0.670 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.670 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.670 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.670 * [taylor]: Taking taylor expansion of 9.0 in y 0.670 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.670 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.670 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.670 * [taylor]: Taking taylor expansion of 1.0 in y 0.670 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.670 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.670 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.670 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.670 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.670 * [taylor]: Taking taylor expansion of 4.0 in y 0.671 * [taylor]: Taking taylor expansion of (log x) in y 0.671 * [taylor]: Taking taylor expansion of x in y 0.671 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.671 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.671 * [taylor]: Taking taylor expansion of y in y 0.672 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.672 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.672 * [taylor]: Taking taylor expansion of 9.0 in x 0.672 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.672 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.672 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.672 * [taylor]: Taking taylor expansion of 1.0 in x 0.672 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.672 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.672 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.672 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.672 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.672 * [taylor]: Taking taylor expansion of 4.0 in x 0.672 * [taylor]: Taking taylor expansion of (log x) in x 0.672 * [taylor]: Taking taylor expansion of x in x 0.673 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.673 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.673 * [taylor]: Taking taylor expansion of y in x 0.673 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.673 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.673 * [taylor]: Taking taylor expansion of 9.0 in x 0.673 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.673 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.674 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.674 * [taylor]: Taking taylor expansion of 1.0 in x 0.674 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.674 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.674 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.674 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.674 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.674 * [taylor]: Taking taylor expansion of 4.0 in x 0.674 * [taylor]: Taking taylor expansion of (log x) in x 0.674 * [taylor]: Taking taylor expansion of x in x 0.675 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.675 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.675 * [taylor]: Taking taylor expansion of y in x 0.675 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.675 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.676 * [taylor]: Taking taylor expansion of 9.0 in y 0.676 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.676 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.676 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.676 * [taylor]: Taking taylor expansion of 1.0 in y 0.676 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.676 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.676 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.676 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.676 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.676 * [taylor]: Taking taylor expansion of 4.0 in y 0.676 * [taylor]: Taking taylor expansion of (log x) in y 0.676 * [taylor]: Taking taylor expansion of x in y 0.676 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.676 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.676 * [taylor]: Taking taylor expansion of y in y 0.682 * [taylor]: Taking taylor expansion of 0 in y 0.692 * [taylor]: Taking taylor expansion of 0 in y 0.705 * [taylor]: Taking taylor expansion of 0 in y 0.728 * [taylor]: Taking taylor expansion of 0 in y 0.755 * [taylor]: Taking taylor expansion of 0 in y 0.802 * [taylor]: Taking taylor expansion of 0 in y 0.865 * [taylor]: Taking taylor expansion of 0 in y 0.866 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.866 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.866 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.866 * [taylor]: Taking taylor expansion of 9.0 in y 0.866 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.866 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.866 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.866 * [taylor]: Taking taylor expansion of 1.0 in y 0.866 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.866 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.866 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.866 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.866 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.866 * [taylor]: Taking taylor expansion of 4.0 in y 0.866 * [taylor]: Taking taylor expansion of (log x) in y 0.866 * [taylor]: Taking taylor expansion of x in y 0.866 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.866 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.867 * [taylor]: Taking taylor expansion of y in y 0.867 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.867 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.867 * [taylor]: Taking taylor expansion of 9.0 in x 0.867 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.867 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.867 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.867 * [taylor]: Taking taylor expansion of 1.0 in x 0.867 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.867 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.867 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.867 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.867 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.867 * [taylor]: Taking taylor expansion of 4.0 in x 0.867 * [taylor]: Taking taylor expansion of (log x) in x 0.868 * [taylor]: Taking taylor expansion of x in x 0.869 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.869 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.869 * [taylor]: Taking taylor expansion of y in x 0.869 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.869 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.869 * [taylor]: Taking taylor expansion of 9.0 in x 0.869 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.869 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.869 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.869 * [taylor]: Taking taylor expansion of 1.0 in x 0.869 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.869 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.869 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.869 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.869 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.869 * [taylor]: Taking taylor expansion of 4.0 in x 0.869 * [taylor]: Taking taylor expansion of (log x) in x 0.869 * [taylor]: Taking taylor expansion of x in x 0.870 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.870 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.870 * [taylor]: Taking taylor expansion of y in x 0.871 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.871 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.871 * [taylor]: Taking taylor expansion of 9.0 in y 0.871 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.871 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.871 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.871 * [taylor]: Taking taylor expansion of 1.0 in y 0.871 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.871 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.871 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.871 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.871 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.871 * [taylor]: Taking taylor expansion of 4.0 in y 0.871 * [taylor]: Taking taylor expansion of (log x) in y 0.871 * [taylor]: Taking taylor expansion of x in y 0.877 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.877 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.877 * [taylor]: Taking taylor expansion of y in y 0.883 * [taylor]: Taking taylor expansion of 0 in y 0.892 * [taylor]: Taking taylor expansion of 0 in y 0.906 * [taylor]: Taking taylor expansion of 0 in y 0.926 * [taylor]: Taking taylor expansion of 0 in y 0.953 * [taylor]: Taking taylor expansion of 0 in y 1.001 * [taylor]: Taking taylor expansion of 0 in y 1.067 * [taylor]: Taking taylor expansion of 0 in y 1.068 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 1.068 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 1.068 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 1.068 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 1.068 * [taylor]: Taking taylor expansion of 9.0 in y 1.068 * [taylor]: Taking taylor expansion of (pow x 4) in y 1.068 * [taylor]: Taking taylor expansion of x in y 1.068 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.068 * [taylor]: Taking taylor expansion of y in y 1.068 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.068 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.068 * [taylor]: Taking taylor expansion of 9.0 in x 1.068 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.068 * [taylor]: Taking taylor expansion of x in x 1.068 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.068 * [taylor]: Taking taylor expansion of y in x 1.068 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.068 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.068 * [taylor]: Taking taylor expansion of 9.0 in x 1.068 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.068 * [taylor]: Taking taylor expansion of x in x 1.068 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.068 * [taylor]: Taking taylor expansion of y in x 1.069 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 1.069 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.069 * [taylor]: Taking taylor expansion of y in y 1.069 * [taylor]: Taking taylor expansion of 0 in y 1.071 * [taylor]: Taking taylor expansion of 0 in y 1.072 * [taylor]: Taking taylor expansion of 0 in y 1.072 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.073 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.073 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.073 * [taylor]: Taking taylor expansion of 9.0 in y 1.073 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.073 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.073 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.073 * [taylor]: Taking taylor expansion of 1.0 in y 1.073 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.073 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.073 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.073 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.073 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.073 * [taylor]: Taking taylor expansion of 4.0 in y 1.073 * [taylor]: Taking taylor expansion of (log x) in y 1.073 * [taylor]: Taking taylor expansion of x in y 1.073 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.073 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.073 * [taylor]: Taking taylor expansion of y in y 1.074 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.074 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.074 * [taylor]: Taking taylor expansion of 9.0 in x 1.074 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.074 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.074 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.074 * [taylor]: Taking taylor expansion of 1.0 in x 1.074 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.074 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.074 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.074 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.074 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.074 * [taylor]: Taking taylor expansion of 4.0 in x 1.074 * [taylor]: Taking taylor expansion of (log x) in x 1.074 * [taylor]: Taking taylor expansion of x in x 1.075 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.076 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.076 * [taylor]: Taking taylor expansion of y in x 1.076 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.076 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.076 * [taylor]: Taking taylor expansion of 9.0 in x 1.076 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.076 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.076 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.076 * [taylor]: Taking taylor expansion of 1.0 in x 1.076 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.076 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.076 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.076 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.076 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.076 * [taylor]: Taking taylor expansion of 4.0 in x 1.076 * [taylor]: Taking taylor expansion of (log x) in x 1.076 * [taylor]: Taking taylor expansion of x in x 1.077 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.077 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.077 * [taylor]: Taking taylor expansion of y in x 1.078 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.078 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.078 * [taylor]: Taking taylor expansion of 9.0 in y 1.078 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.078 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.078 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.078 * [taylor]: Taking taylor expansion of 1.0 in y 1.078 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.078 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.078 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.078 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.078 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.078 * [taylor]: Taking taylor expansion of 4.0 in y 1.078 * [taylor]: Taking taylor expansion of (log x) in y 1.078 * [taylor]: Taking taylor expansion of x in y 1.079 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.079 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.079 * [taylor]: Taking taylor expansion of y in y 1.085 * [taylor]: Taking taylor expansion of 0 in y 1.094 * [taylor]: Taking taylor expansion of 0 in y 1.108 * [taylor]: Taking taylor expansion of 0 in y 1.132 * [taylor]: Taking taylor expansion of 0 in y 1.159 * [taylor]: Taking taylor expansion of 0 in y 1.207 * [taylor]: Taking taylor expansion of 0 in y 1.269 * [taylor]: Taking taylor expansion of 0 in y 1.269 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.269 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.269 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.269 * [taylor]: Taking taylor expansion of 9.0 in y 1.269 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.269 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.269 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.269 * [taylor]: Taking taylor expansion of 1.0 in y 1.269 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.269 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.269 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.269 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.270 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.270 * [taylor]: Taking taylor expansion of 4.0 in y 1.270 * [taylor]: Taking taylor expansion of (log x) in y 1.270 * [taylor]: Taking taylor expansion of x in y 1.270 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.270 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.270 * [taylor]: Taking taylor expansion of y in y 1.271 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.271 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.271 * [taylor]: Taking taylor expansion of 9.0 in x 1.271 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.271 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.271 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.271 * [taylor]: Taking taylor expansion of 1.0 in x 1.271 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.271 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.271 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.271 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.271 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.271 * [taylor]: Taking taylor expansion of 4.0 in x 1.271 * [taylor]: Taking taylor expansion of (log x) in x 1.271 * [taylor]: Taking taylor expansion of x in x 1.272 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.272 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.272 * [taylor]: Taking taylor expansion of y in x 1.273 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.273 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.273 * [taylor]: Taking taylor expansion of 9.0 in x 1.273 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.273 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.273 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.273 * [taylor]: Taking taylor expansion of 1.0 in x 1.273 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.273 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.273 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.273 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.273 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.273 * [taylor]: Taking taylor expansion of 4.0 in x 1.273 * [taylor]: Taking taylor expansion of (log x) in x 1.273 * [taylor]: Taking taylor expansion of x in x 1.274 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.274 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.274 * [taylor]: Taking taylor expansion of y in x 1.275 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.275 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.275 * [taylor]: Taking taylor expansion of 9.0 in y 1.275 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.275 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.275 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.275 * [taylor]: Taking taylor expansion of 1.0 in y 1.275 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.275 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.275 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.275 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.275 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.275 * [taylor]: Taking taylor expansion of 4.0 in y 1.275 * [taylor]: Taking taylor expansion of (log x) in y 1.275 * [taylor]: Taking taylor expansion of x in y 1.276 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.276 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.276 * [taylor]: Taking taylor expansion of y in y 1.287 * [taylor]: Taking taylor expansion of 0 in y 1.296 * [taylor]: Taking taylor expansion of 0 in y 1.310 * [taylor]: Taking taylor expansion of 0 in y 1.329 * [taylor]: Taking taylor expansion of 0 in y 1.355 * [taylor]: Taking taylor expansion of 0 in y 1.403 * [taylor]: Taking taylor expansion of 0 in y 1.469 * [taylor]: Taking taylor expansion of 0 in y 1.470 * * * [progress]: simplifying candidates 1.470 * [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)) 1.475 * * [simplify]: iteration 0 : 187 enodes (cost 308 ) 1.478 * * [simplify]: iteration 1 : 705 enodes (cost 306 ) 1.493 * * [simplify]: iteration 2 : 3702 enodes (cost 302 ) 1.587 * * [simplify]: iteration 3 : 5002 enodes (cost 302 ) 1.588 * [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)) 1.589 * * * [progress]: adding candidates to table 1.682 * [progress]: [Phase 3 of 3] Extracting. 1.685 * [simplify]: Simplifying using # : (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 1.685 * * [simplify]: iteration 0 : 18 enodes (cost 9 ) 1.686 * * [simplify]: iteration 1 : 18 enodes (cost 9 ) 1.686 * [simplify]: Simplified to: (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 2.356 * [regime-testing]: End program error score: 51.99999982801125