[Maxima-bugs] [ maxima-Bugs-1730044 ] powerseries(1+x^n, x, 0) wrong

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Bugs item #1730044, was opened at 2007-06-02 14:01
Message generated for change (Settings changed) made by robert_dodier
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>Category: Lisp Core
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: Stavros Macrakis (macrakis)
Assigned to: Nobody/Anonymous (nobody)
Summary: powerseries(1+x^n,x,0) wrong

Initial Comment:
  powerseries(1+x^n,x,0) =>
     'sum((-1)^i1*x^(i1*n),i1,0,inf)

but this is actually the series for 1/(1+x^n)

Conversely,

  powerseries(1/(1+x^n),x,0) =>
     Unable to expand

This might be a simple mixup somewhere in the code....

Maxima 5.11.0 GCL 2.6.8 Cygwin


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