4.228 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.024 * * * [progress]: [2/2] Setting up program. 0.026 * [progress]: [Phase 2 of 3] Improving. 0.027 * [simplify]: Simplifying using # : (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))) 0.029 * * [simplify]: iteration 0 : 27 enodes (cost 7 ) 0.030 * * [simplify]: iteration 1 : 55 enodes (cost 7 ) 0.032 * * [simplify]: iteration 2 : 121 enodes (cost 7 ) 0.035 * * [simplify]: iteration 3 : 295 enodes (cost 7 ) 0.042 * * [simplify]: iteration 4 : 876 enodes (cost 7 ) 0.062 * * [simplify]: iteration 5 : 3320 enodes (cost 7 ) 0.134 * * [simplify]: iteration 6 : 5002 enodes (cost 7 ) 0.135 * [simplify]: Simplified to: (+ (- (* 9.0 (pow x 4.0)) (pow y 4.0)) (* 2.0 (* y y))) 0.135 * * [progress]: iteration 1 / 4 0.135 * * * [progress]: picking best candidate 0.138 * * * * [pick]: Picked # 0.138 * * * [progress]: localizing error 0.152 * * * [progress]: generating rewritten candidates 0.152 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.157 * * * [progress]: generating series expansions 0.157 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.158 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.158 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.158 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.158 * [taylor]: Taking taylor expansion of 9.0 in y 0.158 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.158 * [taylor]: Taking taylor expansion of x in y 0.158 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.158 * [taylor]: Taking taylor expansion of y in y 0.158 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.158 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.158 * [taylor]: Taking taylor expansion of 9.0 in x 0.158 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.158 * [taylor]: Taking taylor expansion of x in x 0.158 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.158 * [taylor]: Taking taylor expansion of y in x 0.158 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.158 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.158 * [taylor]: Taking taylor expansion of 9.0 in x 0.158 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.158 * [taylor]: Taking taylor expansion of x in x 0.158 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.158 * [taylor]: Taking taylor expansion of y in x 0.159 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.159 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.159 * [taylor]: Taking taylor expansion of y in y 0.160 * [taylor]: Taking taylor expansion of 0 in y 0.161 * [taylor]: Taking taylor expansion of 0 in y 0.163 * [taylor]: Taking taylor expansion of 0 in y 0.163 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.163 * [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 0.164 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.164 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.164 * [taylor]: Taking taylor expansion of 4.0 in y 0.164 * [taylor]: Taking taylor expansion of (log x) in y 0.164 * [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 0.165 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.165 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.165 * [taylor]: Taking taylor expansion of 9.0 in x 0.165 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.165 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.165 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.165 * [taylor]: Taking taylor expansion of 1.0 in x 0.165 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.165 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.165 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.165 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.165 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.165 * [taylor]: Taking taylor expansion of 4.0 in x 0.165 * [taylor]: Taking taylor expansion of (log x) in x 0.165 * [taylor]: Taking taylor expansion of x in x 0.166 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.166 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.166 * [taylor]: Taking taylor expansion of y in x 0.167 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.167 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.167 * [taylor]: Taking taylor expansion of 9.0 in x 0.167 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.167 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.167 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.167 * [taylor]: Taking taylor expansion of 1.0 in x 0.167 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.167 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.167 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.167 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.167 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.167 * [taylor]: Taking taylor expansion of 4.0 in x 0.167 * [taylor]: Taking taylor expansion of (log x) in x 0.167 * [taylor]: Taking taylor expansion of x in x 0.168 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.168 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.168 * [taylor]: Taking taylor expansion of y in x 0.169 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.169 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.169 * [taylor]: Taking taylor expansion of 9.0 in y 0.169 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.169 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.169 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.169 * [taylor]: Taking taylor expansion of 1.0 in y 0.169 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.169 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.169 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.169 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.169 * [taylor]: Taking taylor expansion of 4.0 in y 0.169 * [taylor]: Taking taylor expansion of (log x) in y 0.169 * [taylor]: Taking taylor expansion of x in y 0.169 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.169 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.169 * [taylor]: Taking taylor expansion of y in y 0.176 * [taylor]: Taking taylor expansion of 0 in y 0.186 * [taylor]: Taking taylor expansion of 0 in y 0.200 * [taylor]: Taking taylor expansion of 0 in y 0.219 * [taylor]: Taking taylor expansion of 0 in y 0.253 * [taylor]: Taking taylor expansion of 0 in y 0.298 * [taylor]: Taking taylor expansion of 0 in y 0.368 * [taylor]: Taking taylor expansion of 0 in y 0.368 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.368 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.369 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.369 * [taylor]: Taking taylor expansion of 9.0 in y 0.369 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.369 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.369 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.369 * [taylor]: Taking taylor expansion of 1.0 in y 0.369 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.369 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.369 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.369 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.369 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.369 * [taylor]: Taking taylor expansion of 4.0 in y 0.369 * [taylor]: Taking taylor expansion of (log x) in y 0.369 * [taylor]: Taking taylor expansion of x in y 0.369 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.369 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.369 * [taylor]: Taking taylor expansion of y in y 0.370 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.370 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.370 * [taylor]: Taking taylor expansion of 9.0 in x 0.370 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.370 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.370 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.370 * [taylor]: Taking taylor expansion of 1.0 in x 0.370 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.370 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.370 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.370 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.370 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.370 * [taylor]: Taking taylor expansion of 4.0 in x 0.371 * [taylor]: Taking taylor expansion of (log x) in x 0.371 * [taylor]: Taking taylor expansion of x in x 0.372 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.372 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.372 * [taylor]: Taking taylor expansion of y in x 0.372 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.372 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.372 * [taylor]: Taking taylor expansion of 9.0 in x 0.372 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.372 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.372 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.372 * [taylor]: Taking taylor expansion of 1.0 in x 0.372 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.372 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.372 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.372 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.372 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.372 * [taylor]: Taking taylor expansion of 4.0 in x 0.372 * [taylor]: Taking taylor expansion of (log x) in x 0.372 * [taylor]: Taking taylor expansion of x in x 0.373 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.373 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.373 * [taylor]: Taking taylor expansion of y in x 0.374 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.374 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.374 * [taylor]: Taking taylor expansion of 9.0 in y 0.374 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.374 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.374 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.374 * [taylor]: Taking taylor expansion of 1.0 in y 0.374 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.374 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.374 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.374 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.374 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.374 * [taylor]: Taking taylor expansion of 4.0 in y 0.374 * [taylor]: Taking taylor expansion of (log x) in y 0.374 * [taylor]: Taking taylor expansion of x in y 0.375 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.375 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.375 * [taylor]: Taking taylor expansion of y in y 0.381 * [taylor]: Taking taylor expansion of 0 in y 0.390 * [taylor]: Taking taylor expansion of 0 in y 0.410 * [taylor]: Taking taylor expansion of 0 in y 0.431 * [taylor]: Taking taylor expansion of 0 in y 0.459 * [taylor]: Taking taylor expansion of 0 in y 0.509 * [taylor]: Taking taylor expansion of 0 in y 0.578 * [taylor]: Taking taylor expansion of 0 in y 0.579 * * * [progress]: simplifying candidates 0.579 * [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)) 0.582 * * [simplify]: iteration 0 : 110 enodes (cost 102 ) 0.585 * * [simplify]: iteration 1 : 353 enodes (cost 92 ) 0.593 * * [simplify]: iteration 2 : 1439 enodes (cost 90 ) 0.628 * * [simplify]: iteration 3 : 5002 enodes (cost 90 ) 0.629 * [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)) 0.629 * * * [progress]: adding candidates to table 0.663 * * [progress]: iteration 2 / 4 0.663 * * * [progress]: picking best candidate 0.665 * * * * [pick]: Picked # 0.665 * * * [progress]: localizing error 0.679 * * * [progress]: generating rewritten candidates 0.679 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1 1) 0.689 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.696 * * * [progress]: generating series expansions 0.696 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1 1) 0.696 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.696 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.697 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.697 * [taylor]: Taking taylor expansion of 9.0 in y 0.697 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.697 * [taylor]: Taking taylor expansion of x in y 0.697 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.697 * [taylor]: Taking taylor expansion of y in y 0.697 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.697 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.697 * [taylor]: Taking taylor expansion of 9.0 in x 0.697 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.697 * [taylor]: Taking taylor expansion of x in x 0.697 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.697 * [taylor]: Taking taylor expansion of y in x 0.697 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.697 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.697 * [taylor]: Taking taylor expansion of 9.0 in x 0.697 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.697 * [taylor]: Taking taylor expansion of x in x 0.697 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.697 * [taylor]: Taking taylor expansion of y in x 0.697 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.697 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.697 * [taylor]: Taking taylor expansion of y in y 0.698 * [taylor]: Taking taylor expansion of 0 in y 0.699 * [taylor]: Taking taylor expansion of 0 in y 0.701 * [taylor]: Taking taylor expansion of 0 in y 0.701 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.701 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.701 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.701 * [taylor]: Taking taylor expansion of 9.0 in y 0.701 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.701 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.701 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.701 * [taylor]: Taking taylor expansion of 1.0 in y 0.701 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.701 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.701 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.701 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.701 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.701 * [taylor]: Taking taylor expansion of 4.0 in y 0.701 * [taylor]: Taking taylor expansion of (log x) in y 0.701 * [taylor]: Taking taylor expansion of x in y 0.702 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.702 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.702 * [taylor]: Taking taylor expansion of y in y 0.703 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.703 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.703 * [taylor]: Taking taylor expansion of 9.0 in x 0.703 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.703 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.703 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.703 * [taylor]: Taking taylor expansion of 1.0 in x 0.703 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.703 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.703 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.703 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.703 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.703 * [taylor]: Taking taylor expansion of 4.0 in x 0.703 * [taylor]: Taking taylor expansion of (log x) in x 0.703 * [taylor]: Taking taylor expansion of x in x 0.704 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.704 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.704 * [taylor]: Taking taylor expansion of y in x 0.704 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.704 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.704 * [taylor]: Taking taylor expansion of 9.0 in x 0.704 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.704 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.704 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.705 * [taylor]: Taking taylor expansion of 1.0 in x 0.705 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.705 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.705 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.705 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.705 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.705 * [taylor]: Taking taylor expansion of 4.0 in x 0.705 * [taylor]: Taking taylor expansion of (log x) in x 0.705 * [taylor]: Taking taylor expansion of x in x 0.706 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.706 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.706 * [taylor]: Taking taylor expansion of y in x 0.706 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.706 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.706 * [taylor]: Taking taylor expansion of 9.0 in y 0.707 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.707 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.707 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.707 * [taylor]: Taking taylor expansion of 1.0 in y 0.707 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.707 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.707 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.707 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.707 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.707 * [taylor]: Taking taylor expansion of 4.0 in y 0.707 * [taylor]: Taking taylor expansion of (log x) in y 0.707 * [taylor]: Taking taylor expansion of x in y 0.707 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.707 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.707 * [taylor]: Taking taylor expansion of y in y 0.713 * [taylor]: Taking taylor expansion of 0 in y 0.723 * [taylor]: Taking taylor expansion of 0 in y 0.736 * [taylor]: Taking taylor expansion of 0 in y 0.755 * [taylor]: Taking taylor expansion of 0 in y 0.788 * [taylor]: Taking taylor expansion of 0 in y 0.831 * [taylor]: Taking taylor expansion of 0 in y 0.898 * [taylor]: Taking taylor expansion of 0 in y 0.899 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.899 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.899 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.899 * [taylor]: Taking taylor expansion of 9.0 in y 0.899 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.899 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.899 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.899 * [taylor]: Taking taylor expansion of 1.0 in y 0.899 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.899 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.899 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.899 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.899 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.899 * [taylor]: Taking taylor expansion of 4.0 in y 0.899 * [taylor]: Taking taylor expansion of (log x) in y 0.899 * [taylor]: Taking taylor expansion of x in y 0.900 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.900 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.900 * [taylor]: Taking taylor expansion of y in y 0.900 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.900 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.900 * [taylor]: Taking taylor expansion of 9.0 in x 0.900 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.900 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.900 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.901 * [taylor]: Taking taylor expansion of 1.0 in x 0.901 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.901 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.901 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.901 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.901 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.901 * [taylor]: Taking taylor expansion of 4.0 in x 0.901 * [taylor]: Taking taylor expansion of (log x) in x 0.901 * [taylor]: Taking taylor expansion of x in x 0.902 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.902 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.902 * [taylor]: Taking taylor expansion of y in x 0.902 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.902 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.902 * [taylor]: Taking taylor expansion of 9.0 in x 0.902 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.902 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.902 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.902 * [taylor]: Taking taylor expansion of 1.0 in x 0.902 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.902 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.902 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.902 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.902 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.902 * [taylor]: Taking taylor expansion of 4.0 in x 0.902 * [taylor]: Taking taylor expansion of (log x) in x 0.902 * [taylor]: Taking taylor expansion of x in x 0.903 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.903 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.903 * [taylor]: Taking taylor expansion of y in x 0.904 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.904 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.904 * [taylor]: Taking taylor expansion of 9.0 in y 0.904 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.904 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.904 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.904 * [taylor]: Taking taylor expansion of 1.0 in y 0.904 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.904 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.904 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.904 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.904 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.904 * [taylor]: Taking taylor expansion of 4.0 in y 0.904 * [taylor]: Taking taylor expansion of (log x) in y 0.904 * [taylor]: Taking taylor expansion of x in y 0.905 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.905 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.905 * [taylor]: Taking taylor expansion of y in y 0.911 * [taylor]: Taking taylor expansion of 0 in y 0.920 * [taylor]: Taking taylor expansion of 0 in y 0.939 * [taylor]: Taking taylor expansion of 0 in y 0.958 * [taylor]: Taking taylor expansion of 0 in y 0.985 * [taylor]: Taking taylor expansion of 0 in y 1.033 * [taylor]: Taking taylor expansion of 0 in y 1.101 * [taylor]: Taking taylor expansion of 0 in y 1.102 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 1.102 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 1.102 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 1.102 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 1.102 * [taylor]: Taking taylor expansion of 9.0 in y 1.102 * [taylor]: Taking taylor expansion of (pow x 4) in y 1.102 * [taylor]: Taking taylor expansion of x in y 1.102 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.102 * [taylor]: Taking taylor expansion of y in y 1.102 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.102 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.102 * [taylor]: Taking taylor expansion of 9.0 in x 1.102 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.102 * [taylor]: Taking taylor expansion of x in x 1.102 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.102 * [taylor]: Taking taylor expansion of y in x 1.102 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.102 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.102 * [taylor]: Taking taylor expansion of 9.0 in x 1.102 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.102 * [taylor]: Taking taylor expansion of x in x 1.102 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.102 * [taylor]: Taking taylor expansion of y in x 1.103 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 1.103 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.103 * [taylor]: Taking taylor expansion of y in y 1.103 * [taylor]: Taking taylor expansion of 0 in y 1.104 * [taylor]: Taking taylor expansion of 0 in y 1.106 * [taylor]: Taking taylor expansion of 0 in y 1.106 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.106 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.106 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.106 * [taylor]: Taking taylor expansion of 9.0 in y 1.106 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.106 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.106 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.106 * [taylor]: Taking taylor expansion of 1.0 in y 1.107 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.107 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.107 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.107 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.107 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.107 * [taylor]: Taking taylor expansion of 4.0 in y 1.107 * [taylor]: Taking taylor expansion of (log x) in y 1.107 * [taylor]: Taking taylor expansion of x in y 1.107 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.107 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.107 * [taylor]: Taking taylor expansion of y in y 1.108 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.108 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.108 * [taylor]: Taking taylor expansion of 9.0 in x 1.108 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.108 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.108 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.108 * [taylor]: Taking taylor expansion of 1.0 in x 1.108 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.108 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.108 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.108 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.108 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.108 * [taylor]: Taking taylor expansion of 4.0 in x 1.108 * [taylor]: Taking taylor expansion of (log x) in x 1.108 * [taylor]: Taking taylor expansion of x in x 1.109 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.109 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.109 * [taylor]: Taking taylor expansion of y in x 1.110 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.110 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.110 * [taylor]: Taking taylor expansion of 9.0 in x 1.110 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.110 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.110 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.110 * [taylor]: Taking taylor expansion of 1.0 in x 1.110 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.110 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.110 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.110 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.110 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.110 * [taylor]: Taking taylor expansion of 4.0 in x 1.110 * [taylor]: Taking taylor expansion of (log x) in x 1.110 * [taylor]: Taking taylor expansion of x in x 1.111 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.111 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.111 * [taylor]: Taking taylor expansion of y in x 1.112 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.112 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.112 * [taylor]: Taking taylor expansion of 9.0 in y 1.112 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.112 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.112 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.112 * [taylor]: Taking taylor expansion of 1.0 in y 1.112 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.112 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.112 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.112 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.112 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.112 * [taylor]: Taking taylor expansion of 4.0 in y 1.112 * [taylor]: Taking taylor expansion of (log x) in y 1.112 * [taylor]: Taking taylor expansion of x in y 1.112 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.112 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.112 * [taylor]: Taking taylor expansion of y in y 1.118 * [taylor]: Taking taylor expansion of 0 in y 1.128 * [taylor]: Taking taylor expansion of 0 in y 1.141 * [taylor]: Taking taylor expansion of 0 in y 1.161 * [taylor]: Taking taylor expansion of 0 in y 1.194 * [taylor]: Taking taylor expansion of 0 in y 1.237 * [taylor]: Taking taylor expansion of 0 in y 1.306 * [taylor]: Taking taylor expansion of 0 in y 1.306 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.306 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.307 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.307 * [taylor]: Taking taylor expansion of 9.0 in y 1.307 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.307 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.307 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.307 * [taylor]: Taking taylor expansion of 1.0 in y 1.307 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.307 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.307 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.307 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.307 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.307 * [taylor]: Taking taylor expansion of 4.0 in y 1.307 * [taylor]: Taking taylor expansion of (log x) in y 1.307 * [taylor]: Taking taylor expansion of x in y 1.307 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.307 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.307 * [taylor]: Taking taylor expansion of y in y 1.308 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.308 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.308 * [taylor]: Taking taylor expansion of 9.0 in x 1.308 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.308 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.308 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.308 * [taylor]: Taking taylor expansion of 1.0 in x 1.308 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.308 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.308 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.308 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.308 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.308 * [taylor]: Taking taylor expansion of 4.0 in x 1.308 * [taylor]: Taking taylor expansion of (log x) in x 1.308 * [taylor]: Taking taylor expansion of x in x 1.309 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.309 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.309 * [taylor]: Taking taylor expansion of y in x 1.310 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.310 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.310 * [taylor]: Taking taylor expansion of 9.0 in x 1.310 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.310 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.310 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.310 * [taylor]: Taking taylor expansion of 1.0 in x 1.310 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.310 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.310 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.310 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.310 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.310 * [taylor]: Taking taylor expansion of 4.0 in x 1.310 * [taylor]: Taking taylor expansion of (log x) in x 1.310 * [taylor]: Taking taylor expansion of x in x 1.311 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.311 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.311 * [taylor]: Taking taylor expansion of y in x 1.312 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.312 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.312 * [taylor]: Taking taylor expansion of 9.0 in y 1.312 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.312 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.312 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.312 * [taylor]: Taking taylor expansion of 1.0 in y 1.312 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.312 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.312 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.312 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.312 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.312 * [taylor]: Taking taylor expansion of 4.0 in y 1.312 * [taylor]: Taking taylor expansion of (log x) in y 1.312 * [taylor]: Taking taylor expansion of x in y 1.313 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.313 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.313 * [taylor]: Taking taylor expansion of y in y 1.319 * [taylor]: Taking taylor expansion of 0 in y 1.328 * [taylor]: Taking taylor expansion of 0 in y 1.348 * [taylor]: Taking taylor expansion of 0 in y 1.367 * [taylor]: Taking taylor expansion of 0 in y 1.394 * [taylor]: Taking taylor expansion of 0 in y 1.444 * [taylor]: Taking taylor expansion of 0 in y 1.512 * [taylor]: Taking taylor expansion of 0 in y 1.512 * * * [progress]: simplifying candidates 1.513 * [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)) 1.517 * * [simplify]: iteration 0 : 187 enodes (cost 308 ) 1.521 * * [simplify]: iteration 1 : 705 enodes (cost 306 ) 1.537 * * [simplify]: iteration 2 : 3702 enodes (cost 302 ) 1.629 * * [simplify]: iteration 3 : 5002 enodes (cost 302 ) 1.632 * [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)) 1.632 * * * [progress]: adding candidates to table 1.724 * [progress]: [Phase 3 of 3] Extracting. 1.727 * [simplify]: Simplifying using # : (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 1.727 * * [simplify]: iteration 0 : 18 enodes (cost 9 ) 1.728 * * [simplify]: iteration 1 : 18 enodes (cost 9 ) 1.728 * [simplify]: Simplified to: (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 2.467 * [regime-testing]: End program error score: 51.99999982801125