4.950 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.023 * * * [progress]: [2/2] Setting up program. 0.025 * [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))) 0.028 * * [simplify]: iteration 0 : 27 enodes (cost 7 ) 0.029 * * [simplify]: iteration 1 : 55 enodes (cost 7 ) 0.031 * * [simplify]: iteration 2 : 121 enodes (cost 7 ) 0.034 * * [simplify]: iteration 3 : 295 enodes (cost 7 ) 0.041 * * [simplify]: iteration 4 : 876 enodes (cost 7 ) 0.060 * * [simplify]: iteration 5 : 3320 enodes (cost 7 ) 0.130 * * [simplify]: iteration 6 : 5002 enodes (cost 7 ) 0.131 * [simplify]: Simplified to: (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))) 0.131 * * [progress]: iteration 1 / 4 0.131 * * * [progress]: picking best candidate 0.133 * * * * [pick]: Picked # 0.133 * * * [progress]: localizing error 0.144 * * * [progress]: generating rewritten candidates 0.144 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.149 * * * [progress]: generating series expansions 0.149 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.150 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.150 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.150 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.150 * [taylor]: Taking taylor expansion of 9.0 in y 0.150 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.150 * [taylor]: Taking taylor expansion of x in y 0.150 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.150 * [taylor]: Taking taylor expansion of y in y 0.150 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.150 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.150 * [taylor]: Taking taylor expansion of 9.0 in x 0.150 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.150 * [taylor]: Taking taylor expansion of x in x 0.150 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.150 * [taylor]: Taking taylor expansion of y in x 0.150 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.150 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.150 * [taylor]: Taking taylor expansion of 9.0 in x 0.150 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.150 * [taylor]: Taking taylor expansion of x in x 0.150 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.150 * [taylor]: Taking taylor expansion of y in x 0.150 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.150 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.150 * [taylor]: Taking taylor expansion of y in y 0.151 * [taylor]: Taking taylor expansion of 0 in y 0.152 * [taylor]: Taking taylor expansion of 0 in y 0.154 * [taylor]: Taking taylor expansion of 0 in y 0.154 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.154 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.154 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.154 * [taylor]: Taking taylor expansion of 9.0 in y 0.154 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.154 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.154 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.154 * [taylor]: Taking taylor expansion of 1.0 in y 0.154 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.154 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.154 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.154 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.154 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.154 * [taylor]: Taking taylor expansion of 4.0 in y 0.154 * [taylor]: Taking taylor expansion of (log x) in y 0.154 * [taylor]: Taking taylor expansion of x in y 0.155 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.155 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.155 * [taylor]: Taking taylor expansion of y in y 0.156 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.156 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.156 * [taylor]: Taking taylor expansion of 9.0 in x 0.156 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.156 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.156 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.156 * [taylor]: Taking taylor expansion of 1.0 in x 0.156 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.156 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.156 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.156 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.156 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.156 * [taylor]: Taking taylor expansion of 4.0 in x 0.156 * [taylor]: Taking taylor expansion of (log x) in x 0.156 * [taylor]: Taking taylor expansion of x in x 0.157 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.157 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.157 * [taylor]: Taking taylor expansion of y in x 0.157 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.157 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.157 * [taylor]: Taking taylor expansion of 9.0 in x 0.157 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.157 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.157 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.157 * [taylor]: Taking taylor expansion of 1.0 in x 0.158 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.158 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.158 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.158 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.158 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.158 * [taylor]: Taking taylor expansion of 4.0 in x 0.158 * [taylor]: Taking taylor expansion of (log x) in x 0.158 * [taylor]: Taking taylor expansion of x in x 0.159 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.159 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.159 * [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 y 0.163 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.163 * [taylor]: Taking taylor expansion of 9.0 in y 0.163 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.163 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.163 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.163 * [taylor]: Taking taylor expansion of 1.0 in y 0.163 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.163 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.163 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.163 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.163 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.163 * [taylor]: Taking taylor expansion of 4.0 in y 0.163 * [taylor]: Taking taylor expansion of (log x) in y 0.163 * [taylor]: Taking taylor expansion of x in y 0.164 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.164 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.164 * [taylor]: Taking taylor expansion of y in y 0.170 * [taylor]: Taking taylor expansion of 0 in y 0.180 * [taylor]: Taking taylor expansion of 0 in y 0.193 * [taylor]: Taking taylor expansion of 0 in y 0.213 * [taylor]: Taking taylor expansion of 0 in y 0.239 * [taylor]: Taking taylor expansion of 0 in y 0.287 * [taylor]: Taking taylor expansion of 0 in y 0.353 * [taylor]: Taking taylor expansion of 0 in y 0.354 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.354 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.354 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.354 * [taylor]: Taking taylor expansion of 9.0 in y 0.354 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.354 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.354 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.354 * [taylor]: Taking taylor expansion of 1.0 in y 0.354 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.354 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.354 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.354 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.354 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.354 * [taylor]: Taking taylor expansion of 4.0 in y 0.354 * [taylor]: Taking taylor expansion of (log x) in y 0.354 * [taylor]: Taking taylor expansion of x in y 0.355 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.355 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.355 * [taylor]: Taking taylor expansion of y in y 0.355 * [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 0.357 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.357 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.357 * [taylor]: Taking taylor expansion of 9.0 in x 0.357 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.357 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.357 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.357 * [taylor]: Taking taylor expansion of 1.0 in x 0.357 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.357 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.357 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.357 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.357 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.357 * [taylor]: Taking taylor expansion of 4.0 in x 0.357 * [taylor]: Taking taylor expansion of (log x) in x 0.357 * [taylor]: Taking taylor expansion of x in x 0.358 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.358 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.358 * [taylor]: Taking taylor expansion of y in x 0.359 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.359 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.359 * [taylor]: Taking taylor expansion of 9.0 in y 0.359 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.359 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.359 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.359 * [taylor]: Taking taylor expansion of 1.0 in y 0.359 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.359 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.359 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.359 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.359 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.359 * [taylor]: Taking taylor expansion of 4.0 in y 0.359 * [taylor]: Taking taylor expansion of (log x) in y 0.359 * [taylor]: Taking taylor expansion of x in y 0.360 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.360 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.360 * [taylor]: Taking taylor expansion of y in y 0.366 * [taylor]: Taking taylor expansion of 0 in y 0.375 * [taylor]: Taking taylor expansion of 0 in y 0.388 * [taylor]: Taking taylor expansion of 0 in y 0.412 * [taylor]: Taking taylor expansion of 0 in y 0.439 * [taylor]: Taking taylor expansion of 0 in y 0.490 * [taylor]: Taking taylor expansion of 0 in y 0.550 * [taylor]: Taking taylor expansion of 0 in y 0.551 * * * [progress]: simplifying candidates 0.551 * [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)) 0.554 * * [simplify]: iteration 0 : 110 enodes (cost 102 ) 0.557 * * [simplify]: iteration 1 : 353 enodes (cost 92 ) 0.565 * * [simplify]: iteration 2 : 1439 enodes (cost 90 ) 0.601 * * [simplify]: iteration 3 : 5001 enodes (cost 90 ) 0.601 * [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)) 0.602 * * * [progress]: adding candidates to table 0.640 * * [progress]: iteration 2 / 4 0.640 * * * [progress]: picking best candidate 0.642 * * * * [pick]: Picked # 0.642 * * * [progress]: localizing error 0.656 * * * [progress]: generating rewritten candidates 0.657 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1 1) 0.662 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.669 * * * [progress]: generating series expansions 0.669 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1 1) 0.669 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.669 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.669 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.669 * [taylor]: Taking taylor expansion of 9.0 in y 0.669 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.669 * [taylor]: Taking taylor expansion of x in y 0.669 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.669 * [taylor]: Taking taylor expansion of y in y 0.669 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.669 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.669 * [taylor]: Taking taylor expansion of 9.0 in x 0.669 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.669 * [taylor]: Taking taylor expansion of x in x 0.669 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.669 * [taylor]: Taking taylor expansion of y in x 0.669 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.669 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.669 * [taylor]: Taking taylor expansion of 9.0 in x 0.669 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.669 * [taylor]: Taking taylor expansion of x in x 0.669 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.669 * [taylor]: Taking taylor expansion of y in x 0.670 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.670 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.670 * [taylor]: Taking taylor expansion of y in y 0.671 * [taylor]: Taking taylor expansion of 0 in y 0.672 * [taylor]: Taking taylor expansion of 0 in y 0.673 * [taylor]: Taking taylor expansion of 0 in y 0.674 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.674 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.674 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.674 * [taylor]: Taking taylor expansion of 9.0 in y 0.674 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.674 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.674 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.674 * [taylor]: Taking taylor expansion of 1.0 in y 0.674 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.674 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.674 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.674 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.674 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.674 * [taylor]: Taking taylor expansion of 4.0 in y 0.674 * [taylor]: Taking taylor expansion of (log x) in y 0.674 * [taylor]: Taking taylor expansion of x in y 0.674 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.675 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.675 * [taylor]: Taking taylor expansion of y in y 0.675 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.675 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.675 * [taylor]: Taking taylor expansion of 9.0 in x 0.675 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.675 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.675 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.675 * [taylor]: Taking taylor expansion of 1.0 in x 0.675 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.675 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.675 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.675 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.675 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.675 * [taylor]: Taking taylor expansion of 4.0 in x 0.675 * [taylor]: Taking taylor expansion of (log x) in x 0.675 * [taylor]: Taking taylor expansion of x in x 0.677 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.677 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.677 * [taylor]: Taking taylor expansion of y in x 0.677 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.677 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.677 * [taylor]: Taking taylor expansion of 9.0 in x 0.677 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.677 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.677 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.677 * [taylor]: Taking taylor expansion of 1.0 in x 0.677 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.677 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.677 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.677 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.677 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.677 * [taylor]: Taking taylor expansion of 4.0 in x 0.677 * [taylor]: Taking taylor expansion of (log x) in x 0.677 * [taylor]: Taking taylor expansion of x in x 0.678 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.678 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.678 * [taylor]: Taking taylor expansion of y in x 0.679 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.679 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.679 * [taylor]: Taking taylor expansion of 9.0 in y 0.679 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.679 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.679 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.679 * [taylor]: Taking taylor expansion of 1.0 in y 0.679 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.679 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.679 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.679 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.679 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.679 * [taylor]: Taking taylor expansion of 4.0 in y 0.679 * [taylor]: Taking taylor expansion of (log x) in y 0.679 * [taylor]: Taking taylor expansion of x in y 0.680 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.680 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.680 * [taylor]: Taking taylor expansion of y in y 0.685 * [taylor]: Taking taylor expansion of 0 in y 0.699 * [taylor]: Taking taylor expansion of 0 in y 0.712 * [taylor]: Taking taylor expansion of 0 in y 0.731 * [taylor]: Taking taylor expansion of 0 in y 0.757 * [taylor]: Taking taylor expansion of 0 in y 0.804 * [taylor]: Taking taylor expansion of 0 in y 0.869 * [taylor]: Taking taylor expansion of 0 in y 0.869 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.870 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.870 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.870 * [taylor]: Taking taylor expansion of 9.0 in y 0.870 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.870 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.870 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.870 * [taylor]: Taking taylor expansion of 1.0 in y 0.870 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.870 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.870 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.870 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.870 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.870 * [taylor]: Taking taylor expansion of 4.0 in y 0.870 * [taylor]: Taking taylor expansion of (log x) in y 0.870 * [taylor]: Taking taylor expansion of x in y 0.870 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.870 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.870 * [taylor]: Taking taylor expansion of y in y 0.871 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.871 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.871 * [taylor]: Taking taylor expansion of 9.0 in x 0.871 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.871 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.871 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.871 * [taylor]: Taking taylor expansion of 1.0 in x 0.871 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.871 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.871 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.871 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.871 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.871 * [taylor]: Taking taylor expansion of 4.0 in x 0.871 * [taylor]: Taking taylor expansion of (log x) in x 0.871 * [taylor]: Taking taylor expansion of x in x 0.872 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.872 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.872 * [taylor]: Taking taylor expansion of y in x 0.873 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.873 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.873 * [taylor]: Taking taylor expansion of 9.0 in x 0.873 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.873 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.873 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.873 * [taylor]: Taking taylor expansion of 1.0 in x 0.873 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.873 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.873 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.873 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.873 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.873 * [taylor]: Taking taylor expansion of 4.0 in x 0.873 * [taylor]: Taking taylor expansion of (log x) in x 0.873 * [taylor]: Taking taylor expansion of x in x 0.874 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.874 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.874 * [taylor]: Taking taylor expansion of y in x 0.875 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.875 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.875 * [taylor]: Taking taylor expansion of 9.0 in y 0.875 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.875 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.875 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.875 * [taylor]: Taking taylor expansion of 1.0 in y 0.875 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.875 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.875 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.875 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.875 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.875 * [taylor]: Taking taylor expansion of 4.0 in y 0.875 * [taylor]: Taking taylor expansion of (log x) in y 0.875 * [taylor]: Taking taylor expansion of x in y 0.876 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.876 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.876 * [taylor]: Taking taylor expansion of y in y 0.881 * [taylor]: Taking taylor expansion of 0 in y 0.891 * [taylor]: Taking taylor expansion of 0 in y 0.904 * [taylor]: Taking taylor expansion of 0 in y 0.922 * [taylor]: Taking taylor expansion of 0 in y 0.954 * [taylor]: Taking taylor expansion of 0 in y 0.995 * [taylor]: Taking taylor expansion of 0 in y 1.060 * [taylor]: Taking taylor expansion of 0 in y 1.061 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 1.061 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 1.061 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 1.061 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 1.061 * [taylor]: Taking taylor expansion of 9.0 in y 1.061 * [taylor]: Taking taylor expansion of (pow x 4) in y 1.061 * [taylor]: Taking taylor expansion of x in y 1.061 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.061 * [taylor]: Taking taylor expansion of y in y 1.061 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.061 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.061 * [taylor]: Taking taylor expansion of 9.0 in x 1.061 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.061 * [taylor]: Taking taylor expansion of x in x 1.061 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.061 * [taylor]: Taking taylor expansion of y in x 1.061 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.061 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.061 * [taylor]: Taking taylor expansion of 9.0 in x 1.061 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.061 * [taylor]: Taking taylor expansion of x in x 1.061 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.061 * [taylor]: Taking taylor expansion of y in x 1.062 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 1.062 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.062 * [taylor]: Taking taylor expansion of y in y 1.062 * [taylor]: Taking taylor expansion of 0 in y 1.063 * [taylor]: Taking taylor expansion of 0 in y 1.065 * [taylor]: Taking taylor expansion of 0 in y 1.065 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.065 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.065 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.065 * [taylor]: Taking taylor expansion of 9.0 in y 1.065 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.066 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.066 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.066 * [taylor]: Taking taylor expansion of 1.0 in y 1.066 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.066 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.066 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.066 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.066 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.066 * [taylor]: Taking taylor expansion of 4.0 in y 1.066 * [taylor]: Taking taylor expansion of (log x) in y 1.066 * [taylor]: Taking taylor expansion of x in y 1.066 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.066 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.066 * [taylor]: Taking taylor expansion of y in y 1.067 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.067 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.067 * [taylor]: Taking taylor expansion of 9.0 in x 1.067 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.067 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.067 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.067 * [taylor]: Taking taylor expansion of 1.0 in x 1.067 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.067 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.067 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.067 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.067 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.067 * [taylor]: Taking taylor expansion of 4.0 in x 1.067 * [taylor]: Taking taylor expansion of (log x) in x 1.067 * [taylor]: Taking taylor expansion of x in x 1.068 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) 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 (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.069 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.069 * [taylor]: Taking taylor expansion of 9.0 in x 1.069 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.069 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.069 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.069 * [taylor]: Taking taylor expansion of 1.0 in x 1.069 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.069 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.069 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.069 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.069 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.069 * [taylor]: Taking taylor expansion of 4.0 in x 1.069 * [taylor]: Taking taylor expansion of (log x) in x 1.069 * [taylor]: Taking taylor expansion of x in x 1.070 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.070 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.070 * [taylor]: Taking taylor expansion of y in x 1.071 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.071 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.071 * [taylor]: Taking taylor expansion of 9.0 in y 1.071 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.071 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.071 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.071 * [taylor]: Taking taylor expansion of 1.0 in y 1.071 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.071 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.071 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.071 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.071 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.071 * [taylor]: Taking taylor expansion of 4.0 in y 1.071 * [taylor]: Taking taylor expansion of (log x) in y 1.071 * [taylor]: Taking taylor expansion of x in y 1.072 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.072 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.072 * [taylor]: Taking taylor expansion of y in y 1.077 * [taylor]: Taking taylor expansion of 0 in y 1.092 * [taylor]: Taking taylor expansion of 0 in y 1.105 * [taylor]: Taking taylor expansion of 0 in y 1.124 * [taylor]: Taking taylor expansion of 0 in y 1.150 * [taylor]: Taking taylor expansion of 0 in y 1.197 * [taylor]: Taking taylor expansion of 0 in y 1.264 * [taylor]: Taking taylor expansion of 0 in y 1.265 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.265 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.265 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.265 * [taylor]: Taking taylor expansion of 9.0 in y 1.265 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.265 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.265 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.265 * [taylor]: Taking taylor expansion of 1.0 in y 1.265 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.265 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.265 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.265 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.265 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.265 * [taylor]: Taking taylor expansion of 4.0 in y 1.265 * [taylor]: Taking taylor expansion of (log x) in y 1.265 * [taylor]: Taking taylor expansion of x in y 1.265 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.266 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.266 * [taylor]: Taking taylor expansion of y in y 1.266 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.266 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.266 * [taylor]: Taking taylor expansion of 9.0 in x 1.266 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.266 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.266 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.266 * [taylor]: Taking taylor expansion of 1.0 in x 1.266 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.266 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.266 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.266 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.266 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.266 * [taylor]: Taking taylor expansion of 4.0 in x 1.266 * [taylor]: Taking taylor expansion of (log x) in x 1.266 * [taylor]: Taking taylor expansion of x in x 1.268 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.268 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.268 * [taylor]: Taking taylor expansion of y in x 1.268 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.268 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.268 * [taylor]: Taking taylor expansion of 9.0 in x 1.268 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.268 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.268 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.268 * [taylor]: Taking taylor expansion of 1.0 in x 1.268 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.268 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.268 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.268 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.268 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.268 * [taylor]: Taking taylor expansion of 4.0 in x 1.268 * [taylor]: Taking taylor expansion of (log x) in x 1.268 * [taylor]: Taking taylor expansion of x in x 1.269 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.269 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.269 * [taylor]: Taking taylor expansion of y in x 1.270 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.270 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.270 * [taylor]: Taking taylor expansion of 9.0 in y 1.270 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.270 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.270 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.270 * [taylor]: Taking taylor expansion of 1.0 in y 1.270 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.270 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.270 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.270 * [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 1.271 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.271 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.271 * [taylor]: Taking taylor expansion of y in y 1.276 * [taylor]: Taking taylor expansion of 0 in y 1.286 * [taylor]: Taking taylor expansion of 0 in y 1.299 * [taylor]: Taking taylor expansion of 0 in y 1.318 * [taylor]: Taking taylor expansion of 0 in y 1.350 * [taylor]: Taking taylor expansion of 0 in y 1.392 * [taylor]: Taking taylor expansion of 0 in y 1.458 * [taylor]: Taking taylor expansion of 0 in y 1.459 * * * [progress]: simplifying candidates 1.460 * [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)) 1.464 * * [simplify]: iteration 0 : 187 enodes (cost 308 ) 1.468 * * [simplify]: iteration 1 : 705 enodes (cost 306 ) 1.482 * * [simplify]: iteration 2 : 3702 enodes (cost 302 ) 1.573 * * [simplify]: iteration 3 : 5002 enodes (cost 302 ) 1.575 * [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)) 1.575 * * * [progress]: adding candidates to table 1.674 * [progress]: [Phase 3 of 3] Extracting. 1.677 * [simplify]: Simplifying using # : (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 1.677 * * [simplify]: iteration 0 : 18 enodes (cost 9 ) 1.678 * * [simplify]: iteration 1 : 18 enodes (cost 9 ) 1.678 * [simplify]: Simplified to: (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 2.396 * [regime-testing]: End program error score: 51.99999982801125