2.202 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.026 * * * [progress]: [2/2] Setting up program. 0.029 * [progress]: [Phase 2 of 3] Improving. 0.029 * [simplify]: Simplifying using # : (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))) 0.031 * * [simplify]: iteration 0 : 27 enodes (cost 7 ) 0.033 * * [simplify]: iteration 1 : 55 enodes (cost 7 ) 0.035 * * [simplify]: iteration 2 : 121 enodes (cost 7 ) 0.038 * * [simplify]: iteration 3 : 295 enodes (cost 7 ) 0.045 * * [simplify]: iteration 4 : 876 enodes (cost 7 ) 0.064 * * [simplify]: iteration 5 : 3320 enodes (cost 7 ) 0.136 * * [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 0.137 * * * [progress]: picking best candidate 0.139 * * * * [pick]: Picked # 0.139 * * * [progress]: localizing error 0.150 * * * [progress]: generating rewritten candidates 0.150 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.155 * * * [progress]: generating series expansions 0.155 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.155 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.155 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.155 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.155 * [taylor]: Taking taylor expansion of 9.0 in y 0.155 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.155 * [taylor]: Taking taylor expansion of x in y 0.155 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.155 * [taylor]: Taking taylor expansion of y in y 0.155 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.155 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.155 * [taylor]: Taking taylor expansion of 9.0 in x 0.155 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.155 * [taylor]: Taking taylor expansion of x in x 0.155 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.155 * [taylor]: Taking taylor expansion of y in x 0.155 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.155 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.155 * [taylor]: Taking taylor expansion of 9.0 in x 0.155 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.155 * [taylor]: Taking taylor expansion of x 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 (- (pow y 4)) in y 0.156 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.156 * [taylor]: Taking taylor expansion of y in y 0.156 * [taylor]: Taking taylor expansion of 0 in y 0.158 * [taylor]: Taking taylor expansion of 0 in y 0.159 * [taylor]: Taking taylor expansion of 0 in y 0.160 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.160 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.160 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.160 * [taylor]: Taking taylor expansion of 9.0 in y 0.160 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.160 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.160 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.160 * [taylor]: Taking taylor expansion of 1.0 in y 0.160 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.160 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.160 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.160 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.160 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.160 * [taylor]: Taking taylor expansion of 4.0 in y 0.160 * [taylor]: Taking taylor expansion of (log x) in y 0.160 * [taylor]: Taking taylor expansion of x in y 0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.161 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.161 * [taylor]: Taking taylor expansion of y in y 0.161 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.161 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.161 * [taylor]: Taking taylor expansion of 9.0 in x 0.161 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.161 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.161 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.161 * [taylor]: Taking taylor expansion of 1.0 in x 0.161 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.161 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.161 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.162 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.162 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.162 * [taylor]: Taking taylor expansion of 4.0 in x 0.162 * [taylor]: Taking taylor expansion of (log x) in x 0.162 * [taylor]: Taking taylor expansion of x in x 0.163 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.163 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.163 * [taylor]: Taking taylor expansion of y in x 0.163 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.163 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.163 * [taylor]: Taking taylor expansion of 9.0 in x 0.163 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.163 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.163 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.163 * [taylor]: Taking taylor expansion of 1.0 in x 0.163 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.163 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.163 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.163 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.163 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.163 * [taylor]: Taking taylor expansion of 4.0 in x 0.163 * [taylor]: Taking taylor expansion of (log x) in x 0.163 * [taylor]: Taking taylor expansion of x in x 0.164 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.164 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.164 * [taylor]: Taking taylor expansion of y in x 0.165 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.165 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.165 * [taylor]: Taking taylor expansion of 9.0 in y 0.165 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.165 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.165 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.165 * [taylor]: Taking taylor expansion of 1.0 in y 0.165 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.165 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.165 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.165 * [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 0.166 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.166 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.166 * [taylor]: Taking taylor expansion of y in y 0.172 * [taylor]: Taking taylor expansion of 0 in y 0.182 * [taylor]: Taking taylor expansion of 0 in y 0.196 * [taylor]: Taking taylor expansion of 0 in y 0.218 * [taylor]: Taking taylor expansion of 0 in y 0.246 * [taylor]: Taking taylor expansion of 0 in y 0.290 * [taylor]: Taking taylor expansion of 0 in y 0.356 * [taylor]: Taking taylor expansion of 0 in y 0.357 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.357 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.357 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.357 * [taylor]: Taking taylor expansion of 9.0 in y 0.357 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.357 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.357 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.357 * [taylor]: Taking taylor expansion of 1.0 in y 0.357 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.357 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.357 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.357 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.357 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.357 * [taylor]: Taking taylor expansion of 4.0 in y 0.357 * [taylor]: Taking taylor expansion of (log x) in y 0.357 * [taylor]: Taking taylor expansion of x in y 0.358 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.358 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.358 * [taylor]: Taking taylor expansion of y in y 0.359 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.359 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.359 * [taylor]: Taking taylor expansion of 9.0 in x 0.359 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.359 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.359 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.359 * [taylor]: Taking taylor expansion of 1.0 in x 0.359 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.359 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.359 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.359 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.359 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.359 * [taylor]: Taking taylor expansion of 4.0 in x 0.359 * [taylor]: Taking taylor expansion of (log x) in x 0.359 * [taylor]: Taking taylor expansion of x in x 0.360 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.360 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.360 * [taylor]: Taking taylor expansion of y in x 0.360 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.360 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.360 * [taylor]: Taking taylor expansion of 9.0 in x 0.360 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.360 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.361 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.361 * [taylor]: Taking taylor expansion of 1.0 in x 0.361 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.361 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.361 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.361 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.361 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.361 * [taylor]: Taking taylor expansion of 4.0 in x 0.361 * [taylor]: Taking taylor expansion of (log x) in x 0.361 * [taylor]: Taking taylor expansion of x in x 0.362 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.362 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.362 * [taylor]: Taking taylor expansion of y in x 0.363 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.363 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.363 * [taylor]: Taking taylor expansion of 9.0 in y 0.363 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.363 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.363 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.363 * [taylor]: Taking taylor expansion of 1.0 in y 0.363 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.363 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.363 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.363 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.363 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.363 * [taylor]: Taking taylor expansion of 4.0 in y 0.363 * [taylor]: Taking taylor expansion of (log x) in y 0.363 * [taylor]: Taking taylor expansion of x in y 0.363 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.363 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.363 * [taylor]: Taking taylor expansion of y in y 0.370 * [taylor]: Taking taylor expansion of 0 in y 0.382 * [taylor]: Taking taylor expansion of 0 in y 0.396 * [taylor]: Taking taylor expansion of 0 in y 0.416 * [taylor]: Taking taylor expansion of 0 in y 0.444 * [taylor]: Taking taylor expansion of 0 in y 0.491 * [taylor]: Taking taylor expansion of 0 in y 0.556 * [taylor]: Taking taylor expansion of 0 in y 0.557 * * * [progress]: simplifying candidates 0.557 * [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)) 0.560 * * [simplify]: iteration 0 : 110 enodes (cost 102 ) 0.564 * * [simplify]: iteration 1 : 353 enodes (cost 92 ) 0.572 * * [simplify]: iteration 2 : 1439 enodes (cost 90 ) 0.609 * * [simplify]: iteration 3 : 5002 enodes (cost 90 ) 0.610 * [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)) 0.610 * * * [progress]: adding candidates to table 0.646 * * [progress]: iteration 2 / 4 0.646 * * * [progress]: picking best candidate 0.648 * * * * [pick]: Picked # 0.648 * * * [progress]: localizing error 0.667 * * * [progress]: generating rewritten candidates 0.667 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1 1) 0.671 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.680 * * * [progress]: generating series expansions 0.680 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1 1) 0.681 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.681 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.681 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.681 * [taylor]: Taking taylor expansion of 9.0 in y 0.681 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.681 * [taylor]: Taking taylor expansion of x in y 0.681 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.681 * [taylor]: Taking taylor expansion of y in y 0.681 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.681 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.681 * [taylor]: Taking taylor expansion of 9.0 in x 0.681 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.681 * [taylor]: Taking taylor expansion of x in x 0.681 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.681 * [taylor]: Taking taylor expansion of y in x 0.681 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.681 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.681 * [taylor]: Taking taylor expansion of 9.0 in x 0.681 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.681 * [taylor]: Taking taylor expansion of x in x 0.681 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.681 * [taylor]: Taking taylor expansion of y in x 0.681 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.681 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.681 * [taylor]: Taking taylor expansion of y in y 0.682 * [taylor]: Taking taylor expansion of 0 in y 0.684 * [taylor]: Taking taylor expansion of 0 in y 0.685 * [taylor]: Taking taylor expansion of 0 in y 0.686 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.686 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.686 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.686 * [taylor]: Taking taylor expansion of 9.0 in y 0.686 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.686 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.686 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.687 * [taylor]: Taking taylor expansion of 1.0 in y 0.687 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.687 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.687 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.687 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.687 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.687 * [taylor]: Taking taylor expansion of 4.0 in y 0.687 * [taylor]: Taking taylor expansion of (log x) in y 0.687 * [taylor]: Taking taylor expansion of x in y 0.687 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.687 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.687 * [taylor]: Taking taylor expansion of y in y 0.688 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.688 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.688 * [taylor]: Taking taylor expansion of 9.0 in x 0.688 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.688 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.688 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.688 * [taylor]: Taking taylor expansion of 1.0 in x 0.688 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.688 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.688 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.688 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.688 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.688 * [taylor]: Taking taylor expansion of 4.0 in x 0.688 * [taylor]: Taking taylor expansion of (log x) in x 0.688 * [taylor]: Taking taylor expansion of x in x 0.689 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.689 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.689 * [taylor]: Taking taylor expansion of y in x 0.690 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.690 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.690 * [taylor]: Taking taylor expansion of 9.0 in x 0.690 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.690 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.690 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.690 * [taylor]: Taking taylor expansion of 1.0 in x 0.690 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.690 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.690 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.690 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.690 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.690 * [taylor]: Taking taylor expansion of 4.0 in x 0.690 * [taylor]: Taking taylor expansion of (log x) in x 0.690 * [taylor]: Taking taylor expansion of x in x 0.691 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.691 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.691 * [taylor]: Taking taylor expansion of y in x 0.692 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.692 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.692 * [taylor]: Taking taylor expansion of 9.0 in y 0.692 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.692 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.692 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.692 * [taylor]: Taking taylor expansion of 1.0 in y 0.692 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.692 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.692 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.692 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.692 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.692 * [taylor]: Taking taylor expansion of 4.0 in y 0.692 * [taylor]: Taking taylor expansion of (log x) in y 0.692 * [taylor]: Taking taylor expansion of x in y 0.693 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.693 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.693 * [taylor]: Taking taylor expansion of y in y 0.699 * [taylor]: Taking taylor expansion of 0 in y 0.709 * [taylor]: Taking taylor expansion of 0 in y 0.723 * [taylor]: Taking taylor expansion of 0 in y 0.743 * [taylor]: Taking taylor expansion of 0 in y 0.774 * [taylor]: Taking taylor expansion of 0 in y 0.817 * [taylor]: Taking taylor expansion of 0 in y 0.882 * [taylor]: Taking taylor expansion of 0 in y 0.883 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.883 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.883 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.883 * [taylor]: Taking taylor expansion of 9.0 in y 0.883 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.883 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.883 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.883 * [taylor]: Taking taylor expansion of 1.0 in y 0.883 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.883 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.883 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.883 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.883 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.883 * [taylor]: Taking taylor expansion of 4.0 in y 0.883 * [taylor]: Taking taylor expansion of (log x) in y 0.883 * [taylor]: Taking taylor expansion of x in y 0.884 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.884 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.884 * [taylor]: Taking taylor expansion of y in y 0.884 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.884 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.884 * [taylor]: Taking taylor expansion of 9.0 in x 0.884 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.884 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.884 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.884 * [taylor]: Taking taylor expansion of 1.0 in x 0.884 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.884 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.885 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.885 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.885 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.885 * [taylor]: Taking taylor expansion of 4.0 in x 0.885 * [taylor]: Taking taylor expansion of (log x) in x 0.885 * [taylor]: Taking taylor expansion of x in x 0.886 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.886 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.886 * [taylor]: Taking taylor expansion of y in x 0.886 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.886 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.886 * [taylor]: Taking taylor expansion of 9.0 in x 0.886 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.886 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.886 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.886 * [taylor]: Taking taylor expansion of 1.0 in x 0.886 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.886 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.886 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.886 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.886 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.886 * [taylor]: Taking taylor expansion of 4.0 in x 0.886 * [taylor]: Taking taylor expansion of (log x) in x 0.886 * [taylor]: Taking taylor expansion of x in x 0.887 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.887 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.887 * [taylor]: Taking taylor expansion of y in x 0.888 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.888 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.888 * [taylor]: Taking taylor expansion of 9.0 in y 0.888 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.888 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.888 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.888 * [taylor]: Taking taylor expansion of 1.0 in y 0.888 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.888 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.888 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.888 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.888 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.888 * [taylor]: Taking taylor expansion of 4.0 in y 0.888 * [taylor]: Taking taylor expansion of (log x) in y 0.888 * [taylor]: Taking taylor expansion of x in y 0.889 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.889 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.889 * [taylor]: Taking taylor expansion of y in y 0.895 * [taylor]: Taking taylor expansion of 0 in y 0.908 * [taylor]: Taking taylor expansion of 0 in y 0.922 * [taylor]: Taking taylor expansion of 0 in y 0.941 * [taylor]: Taking taylor expansion of 0 in y 0.969 * [taylor]: Taking taylor expansion of 0 in y 1.016 * [taylor]: Taking taylor expansion of 0 in y 1.082 * [taylor]: Taking taylor expansion of 0 in y 1.082 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 1.083 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 1.083 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 1.083 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 1.083 * [taylor]: Taking taylor expansion of 9.0 in y 1.083 * [taylor]: Taking taylor expansion of (pow x 4) in y 1.083 * [taylor]: Taking taylor expansion of x in y 1.083 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.083 * [taylor]: Taking taylor expansion of y in y 1.083 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.083 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.083 * [taylor]: Taking taylor expansion of 9.0 in x 1.083 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.083 * [taylor]: Taking taylor expansion of x in x 1.083 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.083 * [taylor]: Taking taylor expansion of y in x 1.083 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.083 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.083 * [taylor]: Taking taylor expansion of 9.0 in x 1.083 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.083 * [taylor]: Taking taylor expansion of x in x 1.083 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.083 * [taylor]: Taking taylor expansion of y in x 1.083 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 1.083 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.083 * [taylor]: Taking taylor expansion of y in y 1.084 * [taylor]: Taking taylor expansion of 0 in y 1.085 * [taylor]: Taking taylor expansion of 0 in y 1.087 * [taylor]: Taking taylor expansion of 0 in y 1.087 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.087 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.087 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.087 * [taylor]: Taking taylor expansion of 9.0 in y 1.087 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.087 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.087 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.087 * [taylor]: Taking taylor expansion of 1.0 in y 1.087 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.087 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.087 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.087 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.087 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.087 * [taylor]: Taking taylor expansion of 4.0 in y 1.087 * [taylor]: Taking taylor expansion of (log x) in y 1.087 * [taylor]: Taking taylor expansion of x in y 1.088 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.088 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.088 * [taylor]: Taking taylor expansion of y in y 1.089 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.089 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.089 * [taylor]: Taking taylor expansion of 9.0 in x 1.089 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.089 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.089 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.089 * [taylor]: Taking taylor expansion of 1.0 in x 1.089 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.089 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.089 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.089 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.089 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.089 * [taylor]: Taking taylor expansion of 4.0 in x 1.089 * [taylor]: Taking taylor expansion of (log x) in x 1.089 * [taylor]: Taking taylor expansion of x in x 1.090 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.090 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.090 * [taylor]: Taking taylor expansion of y in x 1.090 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.090 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.090 * [taylor]: Taking taylor expansion of 9.0 in x 1.090 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.091 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.091 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.091 * [taylor]: Taking taylor expansion of 1.0 in x 1.091 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.091 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.091 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.091 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.091 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.091 * [taylor]: Taking taylor expansion of 4.0 in x 1.091 * [taylor]: Taking taylor expansion of (log x) in x 1.091 * [taylor]: Taking taylor expansion of x in x 1.092 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.092 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.092 * [taylor]: Taking taylor expansion of y in x 1.093 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.093 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.093 * [taylor]: Taking taylor expansion of 9.0 in y 1.093 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.093 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.093 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.093 * [taylor]: Taking taylor expansion of 1.0 in y 1.093 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.093 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.093 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.093 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.093 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.093 * [taylor]: Taking taylor expansion of 4.0 in y 1.093 * [taylor]: Taking taylor expansion of (log x) in y 1.093 * [taylor]: Taking taylor expansion of x in y 1.093 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.093 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.093 * [taylor]: Taking taylor expansion of y in y 1.099 * [taylor]: Taking taylor expansion of 0 in y 1.109 * [taylor]: Taking taylor expansion of 0 in y 1.123 * [taylor]: Taking taylor expansion of 0 in y 1.142 * [taylor]: Taking taylor expansion of 0 in y 1.173 * [taylor]: Taking taylor expansion of 0 in y 1.216 * [taylor]: Taking taylor expansion of 0 in y 1.281 * [taylor]: Taking taylor expansion of 0 in y 1.281 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.281 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.281 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.281 * [taylor]: Taking taylor expansion of 9.0 in y 1.281 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.281 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.281 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.281 * [taylor]: Taking taylor expansion of 1.0 in y 1.281 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.281 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.281 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.281 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.282 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.282 * [taylor]: Taking taylor expansion of 4.0 in y 1.282 * [taylor]: Taking taylor expansion of (log x) in y 1.282 * [taylor]: Taking taylor expansion of x in y 1.282 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.282 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.282 * [taylor]: Taking taylor expansion of y in y 1.283 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.283 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.283 * [taylor]: Taking taylor expansion of 9.0 in x 1.283 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.283 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.283 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.283 * [taylor]: Taking taylor expansion of 1.0 in x 1.283 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.283 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.283 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.283 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.283 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.283 * [taylor]: Taking taylor expansion of 4.0 in x 1.283 * [taylor]: Taking taylor expansion of (log x) in x 1.283 * [taylor]: Taking taylor expansion of x in x 1.284 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.284 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.284 * [taylor]: Taking taylor expansion of y in x 1.284 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.285 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.285 * [taylor]: Taking taylor expansion of 9.0 in x 1.285 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.285 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.285 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.285 * [taylor]: Taking taylor expansion of 1.0 in x 1.285 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.285 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.285 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.285 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.285 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.285 * [taylor]: Taking taylor expansion of 4.0 in x 1.285 * [taylor]: Taking taylor expansion of (log x) in x 1.285 * [taylor]: Taking taylor expansion of x in x 1.286 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.286 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.286 * [taylor]: Taking taylor expansion of y in x 1.287 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.287 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.287 * [taylor]: Taking taylor expansion of 9.0 in y 1.287 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.287 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.287 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.287 * [taylor]: Taking taylor expansion of 1.0 in y 1.287 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.287 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.287 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.287 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.287 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.287 * [taylor]: Taking taylor expansion of 4.0 in y 1.287 * [taylor]: Taking taylor expansion of (log x) in y 1.287 * [taylor]: Taking taylor expansion of x in y 1.287 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.287 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.287 * [taylor]: Taking taylor expansion of y in y 1.294 * [taylor]: Taking taylor expansion of 0 in y 1.306 * [taylor]: Taking taylor expansion of 0 in y 1.320 * [taylor]: Taking taylor expansion of 0 in y 1.340 * [taylor]: Taking taylor expansion of 0 in y 1.367 * [taylor]: Taking taylor expansion of 0 in y 1.415 * [taylor]: Taking taylor expansion of 0 in y 1.481 * [taylor]: Taking taylor expansion of 0 in y 1.481 * * * [progress]: simplifying candidates 1.482 * [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)) 1.486 * * [simplify]: iteration 0 : 187 enodes (cost 310 ) 1.490 * * [simplify]: iteration 1 : 705 enodes (cost 308 ) 1.505 * * [simplify]: iteration 2 : 3717 enodes (cost 304 ) 1.597 * * [simplify]: iteration 3 : 5002 enodes (cost 304 ) 1.599 * [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)) 1.600 * * * [progress]: adding candidates to table 1.697 * [progress]: [Phase 3 of 3] Extracting. 1.700 * [simplify]: Simplifying using # : (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 1.700 * * [simplify]: iteration 0 : 18 enodes (cost 9 ) 1.700 * * [simplify]: iteration 1 : 18 enodes (cost 9 ) 1.701 * [simplify]: Simplified to: (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 2.442 * [regime-testing]: End program error score: 51.99999982801125