4.087 * [progress]: [Phase 1 of 3] Setting up. 0.001 * * * [progress]: [1/2] Preparing points 0.024 * * * [progress]: [2/2] Setting up program. 0.027 * [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 ) 0.031 * * [simplify]: iteration 1 : 55 enodes (cost 7 ) 0.033 * * [simplify]: iteration 2 : 121 enodes (cost 7 ) 0.036 * * [simplify]: iteration 3 : 295 enodes (cost 7 ) 0.043 * * [simplify]: iteration 4 : 876 enodes (cost 7 ) 0.063 * * [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 0.137 * * * * [pick]: Picked # 0.137 * * * [progress]: localizing error 0.148 * * * [progress]: generating rewritten candidates 0.148 * * * * [progress]: [ 1 / 1 ] rewriting at (2 1) 0.153 * * * [progress]: generating series expansions 0.153 * * * * [progress]: [ 1 / 1 ] generating series at (2 1) 0.154 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.154 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.154 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.154 * [taylor]: Taking taylor expansion of 9.0 in y 0.154 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.154 * [taylor]: Taking taylor expansion of x in y 0.154 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.154 * [taylor]: Taking taylor expansion of y in y 0.154 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.154 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.154 * [taylor]: Taking taylor expansion of 9.0 in x 0.154 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.154 * [taylor]: Taking taylor expansion of x in x 0.154 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.154 * [taylor]: Taking taylor expansion of y in x 0.154 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.154 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.154 * [taylor]: Taking taylor expansion of 9.0 in x 0.154 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.154 * [taylor]: Taking taylor expansion of x in x 0.154 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.154 * [taylor]: Taking taylor expansion of y in x 0.154 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.154 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.154 * [taylor]: Taking taylor expansion of y in y 0.155 * [taylor]: Taking taylor expansion of 0 in y 0.156 * [taylor]: Taking taylor expansion of 0 in y 0.158 * [taylor]: Taking taylor expansion of 0 in y 0.158 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.158 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.158 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.158 * [taylor]: Taking taylor expansion of 9.0 in y 0.158 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.158 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.158 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.158 * [taylor]: Taking taylor expansion of 1.0 in y 0.158 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.158 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.158 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.159 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.159 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.159 * [taylor]: Taking taylor expansion of 4.0 in y 0.159 * [taylor]: Taking taylor expansion of (log x) in y 0.159 * [taylor]: Taking taylor expansion of x in y 0.159 * [taylor]: Taking taylor expansion of (/ 1 (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 0.164 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.164 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.164 * [taylor]: Taking taylor expansion of 9.0 in x 0.164 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.164 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.164 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.164 * [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 0.166 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.166 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.166 * [taylor]: Taking taylor expansion of 9.0 in x 0.166 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.166 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.166 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.166 * [taylor]: Taking taylor expansion of 1.0 in x 0.166 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.166 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.166 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.166 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.166 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.166 * [taylor]: Taking taylor expansion of 4.0 in x 0.166 * [taylor]: Taking taylor expansion of (log x) in x 0.166 * [taylor]: Taking taylor expansion of x in x 0.168 * [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 0.168 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.168 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.168 * [taylor]: Taking taylor expansion of 9.0 in y 0.168 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.168 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.168 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.168 * [taylor]: Taking taylor expansion of 1.0 in y 0.168 * [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 0.187 * [taylor]: Taking taylor expansion of 0 in y 0.201 * [taylor]: Taking taylor expansion of 0 in y 0.221 * [taylor]: Taking taylor expansion of 0 in y 0.255 * [taylor]: Taking taylor expansion of 0 in y 0.300 * [taylor]: Taking taylor expansion of 0 in y 0.368 * [taylor]: Taking taylor expansion of 0 in y 0.369 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.369 * [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 0.370 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.370 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.370 * [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 0.371 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.371 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.371 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.371 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.371 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.371 * [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 0.391 * [taylor]: Taking taylor expansion of 0 in y 0.405 * [taylor]: Taking taylor expansion of 0 in y 0.429 * [taylor]: Taking taylor expansion of 0 in y 0.457 * [taylor]: Taking taylor expansion of 0 in y 0.505 * [taylor]: Taking taylor expansion of 0 in y 0.568 * [taylor]: Taking taylor expansion of 0 in y 0.569 * * * [progress]: simplifying candidates 0.569 * [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)) 0.572 * * [simplify]: iteration 0 : 110 enodes (cost 102 ) 0.575 * * [simplify]: iteration 1 : 353 enodes (cost 92 ) 0.583 * * [simplify]: iteration 2 : 1439 enodes (cost 90 ) 0.620 * * [simplify]: iteration 3 : 5002 enodes (cost 90 ) 0.621 * [simplify]: Simplified to: (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (log (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (exp (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (* (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0)))) (cbrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (sqrt (- (* 9.0 (pow x 4.0)) (pow y 4.0))) (- (pow (* 9.0 (pow x 4.0)) 3) (pow (pow y 4.0) 3)) (+ (* (* 9.0 (pow x 4.0)) (+ (* 9.0 (pow x 4.0)) (pow y 4.0))) (pow y (* 2 4.0))) (- (pow y 4.0)) (+ (- (pow y (* 2 4.0))) (* 9.0 (* 9.0 (pow x (* 2 4.0))))) (+ (* 9.0 (pow x 4.0)) (pow y 4.0)) (- (pow y 4.0)) 0 (- (* 9.0 (pow x 4)) (pow y 4)) (- (* 9.0 (* (pow (/ 1 (pow -1 4.0)) 1.0) (pow x 4))) (pow y 4)) 0.621 * * * [progress]: adding candidates to table 0.662 * * [progress]: iteration 2 / 4 0.662 * * * [progress]: picking best candidate 0.664 * * * * [pick]: Picked # 0.664 * * * [progress]: localizing error 0.678 * * * [progress]: generating rewritten candidates 0.679 * * * * [progress]: [ 1 / 2 ] rewriting at (2 1 1 1) 0.683 * * * * [progress]: [ 2 / 2 ] rewriting at (2 1) 0.693 * * * [progress]: generating series expansions 0.693 * * * * [progress]: [ 1 / 2 ] generating series at (2 1 1 1) 0.693 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 0.693 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 0.693 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 0.693 * [taylor]: Taking taylor expansion of 9.0 in y 0.693 * [taylor]: Taking taylor expansion of (pow x 4) in y 0.693 * [taylor]: Taking taylor expansion of x in y 0.693 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.693 * [taylor]: Taking taylor expansion of y in y 0.693 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.693 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.693 * [taylor]: Taking taylor expansion of 9.0 in x 0.693 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.693 * [taylor]: Taking taylor expansion of x in x 0.693 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.693 * [taylor]: Taking taylor expansion of y in x 0.693 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 0.693 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 0.693 * [taylor]: Taking taylor expansion of 9.0 in x 0.693 * [taylor]: Taking taylor expansion of (pow x 4) in x 0.693 * [taylor]: Taking taylor expansion of x in x 0.693 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.693 * [taylor]: Taking taylor expansion of y in x 0.694 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 0.694 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.694 * [taylor]: Taking taylor expansion of y in y 0.695 * [taylor]: Taking taylor expansion of 0 in y 0.696 * [taylor]: Taking taylor expansion of 0 in y 0.697 * [taylor]: Taking taylor expansion of 0 in y 0.698 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.698 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.698 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.698 * [taylor]: Taking taylor expansion of 9.0 in y 0.698 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.698 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.698 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.698 * [taylor]: Taking taylor expansion of 1.0 in y 0.698 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.698 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.698 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.698 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.698 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.698 * [taylor]: Taking taylor expansion of 4.0 in y 0.698 * [taylor]: Taking taylor expansion of (log x) in y 0.698 * [taylor]: Taking taylor expansion of x in y 0.699 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.699 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.699 * [taylor]: Taking taylor expansion of y in y 0.700 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.700 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.700 * [taylor]: Taking taylor expansion of 9.0 in x 0.700 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.700 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.700 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.700 * [taylor]: Taking taylor expansion of 1.0 in x 0.700 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.700 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.700 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.700 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.700 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.700 * [taylor]: Taking taylor expansion of 4.0 in x 0.700 * [taylor]: Taking taylor expansion of (log x) in x 0.700 * [taylor]: Taking taylor expansion of x in x 0.701 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.701 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.701 * [taylor]: Taking taylor expansion of y in x 0.701 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.701 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.701 * [taylor]: Taking taylor expansion of 9.0 in x 0.701 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.701 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.701 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.701 * [taylor]: Taking taylor expansion of 1.0 in x 0.701 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.701 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.701 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.701 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.701 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.701 * [taylor]: Taking taylor expansion of 4.0 in x 0.701 * [taylor]: Taking taylor expansion of (log x) in x 0.701 * [taylor]: Taking taylor expansion of x in x 0.703 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.703 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.703 * [taylor]: Taking taylor expansion of y in x 0.703 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.703 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.703 * [taylor]: Taking taylor expansion of 9.0 in y 0.703 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.703 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.704 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.704 * [taylor]: Taking taylor expansion of 1.0 in y 0.704 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.704 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.704 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.704 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.704 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.704 * [taylor]: Taking taylor expansion of 4.0 in y 0.704 * [taylor]: Taking taylor expansion of (log x) in y 0.704 * [taylor]: Taking taylor expansion of x in y 0.704 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.704 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.704 * [taylor]: Taking taylor expansion of y in y 0.715 * [taylor]: Taking taylor expansion of 0 in y 0.725 * [taylor]: Taking taylor expansion of 0 in y 0.739 * [taylor]: Taking taylor expansion of 0 in y 0.759 * [taylor]: Taking taylor expansion of 0 in y 0.787 * [taylor]: Taking taylor expansion of 0 in y 0.837 * [taylor]: Taking taylor expansion of 0 in y 0.905 * [taylor]: Taking taylor expansion of 0 in y 0.906 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 0.906 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.906 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.906 * [taylor]: Taking taylor expansion of 9.0 in y 0.906 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.906 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.906 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.906 * [taylor]: Taking taylor expansion of 1.0 in y 0.906 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.906 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.906 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.906 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.906 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.906 * [taylor]: Taking taylor expansion of 4.0 in y 0.906 * [taylor]: Taking taylor expansion of (log x) in y 0.906 * [taylor]: Taking taylor expansion of x in y 0.907 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.907 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.907 * [taylor]: Taking taylor expansion of y in y 0.907 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.907 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.907 * [taylor]: Taking taylor expansion of 9.0 in x 0.907 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.908 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.908 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.908 * [taylor]: Taking taylor expansion of 1.0 in x 0.908 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.908 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.908 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.908 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.908 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.908 * [taylor]: Taking taylor expansion of 4.0 in x 0.908 * [taylor]: Taking taylor expansion of (log x) in x 0.908 * [taylor]: Taking taylor expansion of x in x 0.909 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.909 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.909 * [taylor]: Taking taylor expansion of y in x 0.909 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 0.909 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 0.909 * [taylor]: Taking taylor expansion of 9.0 in x 0.909 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 0.909 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 0.909 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 0.909 * [taylor]: Taking taylor expansion of 1.0 in x 0.909 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 0.909 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 0.909 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 0.909 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 0.909 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 0.909 * [taylor]: Taking taylor expansion of 4.0 in x 0.909 * [taylor]: Taking taylor expansion of (log x) in x 0.909 * [taylor]: Taking taylor expansion of x in x 0.910 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 0.910 * [taylor]: Taking taylor expansion of (pow y 4) in x 0.910 * [taylor]: Taking taylor expansion of y in x 0.911 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 0.911 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 0.911 * [taylor]: Taking taylor expansion of 9.0 in y 0.911 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 0.911 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 0.911 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 0.911 * [taylor]: Taking taylor expansion of 1.0 in y 0.911 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 0.911 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 0.911 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 0.911 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 0.911 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 0.911 * [taylor]: Taking taylor expansion of 4.0 in y 0.911 * [taylor]: Taking taylor expansion of (log x) in y 0.911 * [taylor]: Taking taylor expansion of x in y 0.912 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 0.912 * [taylor]: Taking taylor expansion of (pow y 4) in y 0.912 * [taylor]: Taking taylor expansion of y in y 0.918 * [taylor]: Taking taylor expansion of 0 in y 0.928 * [taylor]: Taking taylor expansion of 0 in y 0.941 * [taylor]: Taking taylor expansion of 0 in y 0.967 * [taylor]: Taking taylor expansion of 0 in y 0.995 * [taylor]: Taking taylor expansion of 0 in y 1.045 * [taylor]: Taking taylor expansion of 0 in y 1.108 * [taylor]: Taking taylor expansion of 0 in y 1.109 * * * * [progress]: [ 2 / 2 ] generating series at (2 1) 1.109 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in (x y) around 0 1.109 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in y 1.109 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in y 1.109 * [taylor]: Taking taylor expansion of 9.0 in y 1.109 * [taylor]: Taking taylor expansion of (pow x 4) in y 1.109 * [taylor]: Taking taylor expansion of x in y 1.109 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.109 * [taylor]: Taking taylor expansion of y in y 1.109 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.109 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.109 * [taylor]: Taking taylor expansion of 9.0 in x 1.109 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.109 * [taylor]: Taking taylor expansion of x in x 1.110 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.110 * [taylor]: Taking taylor expansion of y in x 1.110 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow x 4)) (pow y 4)) in x 1.110 * [taylor]: Taking taylor expansion of (* 9.0 (pow x 4)) in x 1.110 * [taylor]: Taking taylor expansion of 9.0 in x 1.110 * [taylor]: Taking taylor expansion of (pow x 4) in x 1.110 * [taylor]: Taking taylor expansion of x in x 1.110 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.110 * [taylor]: Taking taylor expansion of y in x 1.110 * [taylor]: Taking taylor expansion of (- (pow y 4)) in y 1.110 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.110 * [taylor]: Taking taylor expansion of y in y 1.111 * [taylor]: Taking taylor expansion of 0 in y 1.112 * [taylor]: Taking taylor expansion of 0 in y 1.114 * [taylor]: Taking taylor expansion of 0 in y 1.114 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.114 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.114 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.114 * [taylor]: Taking taylor expansion of 9.0 in y 1.114 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.114 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.114 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.114 * [taylor]: Taking taylor expansion of 1.0 in y 1.114 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.114 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.114 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.114 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.114 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.114 * [taylor]: Taking taylor expansion of 4.0 in y 1.114 * [taylor]: Taking taylor expansion of (log x) in y 1.114 * [taylor]: Taking taylor expansion of x in y 1.115 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.115 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.115 * [taylor]: Taking taylor expansion of y in y 1.116 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.116 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.116 * [taylor]: Taking taylor expansion of 9.0 in x 1.116 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.116 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.116 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.116 * [taylor]: Taking taylor expansion of 1.0 in x 1.116 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.116 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.116 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.116 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.116 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.116 * [taylor]: Taking taylor expansion of 4.0 in x 1.116 * [taylor]: Taking taylor expansion of (log x) in x 1.116 * [taylor]: Taking taylor expansion of x in x 1.117 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.117 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.117 * [taylor]: Taking taylor expansion of y in x 1.117 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.118 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.118 * [taylor]: Taking taylor expansion of 9.0 in x 1.118 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.118 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.118 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.118 * [taylor]: Taking taylor expansion of 1.0 in x 1.118 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.118 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.118 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.118 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.118 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.118 * [taylor]: Taking taylor expansion of 4.0 in x 1.118 * [taylor]: Taking taylor expansion of (log x) in x 1.118 * [taylor]: Taking taylor expansion of x in x 1.119 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.119 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.119 * [taylor]: Taking taylor expansion of y in x 1.120 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.120 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.120 * [taylor]: Taking taylor expansion of 9.0 in y 1.120 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.120 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.120 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.120 * [taylor]: Taking taylor expansion of 1.0 in y 1.120 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.120 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.120 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.120 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.120 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.120 * [taylor]: Taking taylor expansion of 4.0 in y 1.120 * [taylor]: Taking taylor expansion of (log x) in y 1.120 * [taylor]: Taking taylor expansion of x in y 1.121 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.121 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.121 * [taylor]: Taking taylor expansion of y in y 1.132 * [taylor]: Taking taylor expansion of 0 in y 1.142 * [taylor]: Taking taylor expansion of 0 in y 1.156 * [taylor]: Taking taylor expansion of 0 in y 1.176 * [taylor]: Taking taylor expansion of 0 in y 1.203 * [taylor]: Taking taylor expansion of 0 in y 1.253 * [taylor]: Taking taylor expansion of 0 in y 1.324 * [taylor]: Taking taylor expansion of 0 in y 1.325 * [approximate]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in (x y) around 0 1.325 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.325 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.325 * [taylor]: Taking taylor expansion of 9.0 in y 1.325 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.325 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.325 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.325 * [taylor]: Taking taylor expansion of 1.0 in y 1.325 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.325 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.325 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.325 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.325 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.325 * [taylor]: Taking taylor expansion of 4.0 in y 1.325 * [taylor]: Taking taylor expansion of (log x) in y 1.325 * [taylor]: Taking taylor expansion of x in y 1.326 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.326 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.326 * [taylor]: Taking taylor expansion of y in y 1.327 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.327 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.327 * [taylor]: Taking taylor expansion of 9.0 in x 1.327 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.327 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.327 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.327 * [taylor]: Taking taylor expansion of 1.0 in x 1.327 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.327 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.327 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.327 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.327 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.327 * [taylor]: Taking taylor expansion of 4.0 in x 1.327 * [taylor]: Taking taylor expansion of (log x) in x 1.327 * [taylor]: Taking taylor expansion of x in x 1.328 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.328 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.328 * [taylor]: Taking taylor expansion of y in x 1.328 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in x 1.328 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in x 1.328 * [taylor]: Taking taylor expansion of 9.0 in x 1.328 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in x 1.328 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in x 1.328 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in x 1.328 * [taylor]: Taking taylor expansion of 1.0 in x 1.328 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in x 1.328 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in x 1.328 * [taylor]: Taking taylor expansion of (pow x 4.0) in x 1.328 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in x 1.328 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in x 1.328 * [taylor]: Taking taylor expansion of 4.0 in x 1.328 * [taylor]: Taking taylor expansion of (log x) in x 1.328 * [taylor]: Taking taylor expansion of x in x 1.330 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in x 1.330 * [taylor]: Taking taylor expansion of (pow y 4) in x 1.330 * [taylor]: Taking taylor expansion of y in x 1.330 * [taylor]: Taking taylor expansion of (- (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) (/ 1 (pow y 4))) in y 1.330 * [taylor]: Taking taylor expansion of (* 9.0 (pow (/ 1 (pow x 4.0)) 1.0)) in y 1.330 * [taylor]: Taking taylor expansion of 9.0 in y 1.330 * [taylor]: Taking taylor expansion of (pow (/ 1 (pow x 4.0)) 1.0) in y 1.330 * [taylor]: Taking taylor expansion of (exp (* 1.0 (log (/ 1 (pow x 4.0))))) in y 1.330 * [taylor]: Taking taylor expansion of (* 1.0 (log (/ 1 (pow x 4.0)))) in y 1.330 * [taylor]: Taking taylor expansion of 1.0 in y 1.330 * [taylor]: Taking taylor expansion of (log (/ 1 (pow x 4.0))) in y 1.330 * [taylor]: Taking taylor expansion of (/ 1 (pow x 4.0)) in y 1.331 * [taylor]: Taking taylor expansion of (pow x 4.0) in y 1.331 * [taylor]: Taking taylor expansion of (exp (* 4.0 (log x))) in y 1.331 * [taylor]: Taking taylor expansion of (* 4.0 (log x)) in y 1.331 * [taylor]: Taking taylor expansion of 4.0 in y 1.331 * [taylor]: Taking taylor expansion of (log x) in y 1.331 * [taylor]: Taking taylor expansion of x in y 1.331 * [taylor]: Taking taylor expansion of (/ 1 (pow y 4)) in y 1.331 * [taylor]: Taking taylor expansion of (pow y 4) in y 1.331 * [taylor]: Taking taylor expansion of y in y 1.337 * [taylor]: Taking taylor expansion of 0 in y 1.347 * [taylor]: Taking taylor expansion of 0 in y 1.361 * [taylor]: Taking taylor expansion of 0 in y 1.387 * [taylor]: Taking taylor expansion of 0 in y 1.416 * [taylor]: Taking taylor expansion of 0 in y 1.466 * [taylor]: Taking taylor expansion of 0 in y 1.528 * [taylor]: Taking taylor expansion of 0 in y 1.529 * * * [progress]: simplifying candidates 1.529 * [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)) 1.534 * * [simplify]: iteration 0 : 187 enodes (cost 308 ) 1.538 * * [simplify]: iteration 1 : 705 enodes (cost 306 ) 1.554 * * [simplify]: iteration 2 : 3702 enodes (cost 302 ) 1.648 * * [simplify]: iteration 3 : 5002 enodes (cost 302 ) 1.650 * [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)) 1.650 * * * [progress]: adding candidates to table 1.753 * [progress]: [Phase 3 of 3] Extracting. 1.756 * [simplify]: Simplifying using # : (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 1.757 * * [simplify]: iteration 0 : 18 enodes (cost 9 ) 1.757 * * [simplify]: iteration 1 : 18 enodes (cost 9 ) 1.757 * [simplify]: Simplified to: (+ (cbrt (pow (- (* 9.0 (pow x 4.0)) (pow y 4.0)) 3)) (* 2.0 (* y y))) 2.489 * [regime-testing]: End program error score: 51.99999982801125