#10 Bad stationary points for x^(1/3)*exp(x)

[Robert Marik]

Missing stationary points when investigating function x^(1/3)*exp(x)

Caused by the numer flag in the ev function. Not sure, if it is safe to remove this flag. LEaving open for now.

Maxima 5.32.1 http://maxima.sourceforge.net
using Lisp GNU Common Lisp (GCL) GCL 2.6.10 (a.k.a. GCL)
Distributed under the GNU Public License. See the file COPYING.
Dedicated to the memory of William Schelter.
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(%i1) display2d:false;

(%o1) false
(%i2) gg:diff(x^(1/3)*exp(x),x);

(%o2) x^(1/3)%e^x+%e^x/(3x^(2/3))
(%i3) ev(rectform(imagpart(at (gg,x=-1/3))),numer);

(%o3) 0.49681506261157sin(0.33333333333333%pi)
-0.49681506261157sin(0.66666666666666%pi)