tag:blogger.com,1999:blog-4754734402679928849.post6137742059412297894..comments2022-03-27T19:37:29.460+02:00Comments on Fredrik Johansson: Assorted special functions updateFredrik Johanssonhttp://www.blogger.com/profile/01465400860530971858noreply@blogger.comBlogger3125tag:blogger.com,1999:blog-4754734402679928849.post-66470317439974383852010-06-16T17:12:42.449+02:002010-06-16T17:12:42.449+02:00I think the mpmath documentation, with the new col...I think the mpmath documentation, with the new color figures, will become a nice resource. All the recent improvements you have been adding are great!Krisnoreply@blogger.comtag:blogger.com,1999:blog-4754734402679928849.post-22778130091347655462010-06-16T07:49:36.645+02:002010-06-16T07:49:36.645+02:00The Maple result seems fine, because its evalf fun...The Maple result seems fine, because its evalf function isn't intended to do more than blindly evaluate the expression with floating-point arithmetic.<br /><br />But it's a bug by Mathematica to claim symbolically that the imaginary part is zero (due to faulty error control in the numerics, most likely).Fredrik Johanssonhttps://www.blogger.com/profile/01465400860530971858noreply@blogger.comtag:blogger.com,1999:blog-4754734402679928849.post-81978164823584071332010-06-16T07:02:21.824+02:002010-06-16T07:02:21.824+02:00Here's what Maple 12 gives:
> evalf(Im(La...Here's what Maple 12 gives:<br /><br /><br />> evalf(Im(LambertW(0, -1/exp(1)-10^(-900))));<br /> 0.00001246016198Aaron Meurerhttps://www.blogger.com/profile/07681610358074038422noreply@blogger.com