[Maxima-bugs] [ maxima-Bugs-1550985 ] niceindices

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Bugs item #1550985, was opened at 2006-09-02 06:59
Message generated for change (Comment added) made by willisbl
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Category: None
Group: None
Status: Open
Resolution: None
Priority: 5
Submitted By: Barton Willis (willisbl)
Assigned to: Nobody/Anonymous (nobody)
Summary: niceindices

Initial Comment:
Error:

(%i1) sum(1/kk,kk,1,n) - sum(1/ii,ii,1,n)$
(%i2) niceindices(%);
Maxima encountered a Lisp error:

No error:

(%i3) sum(1/k,k,1,n) - sum(1/i,i,1,n)$
(%i4) niceindices(%);
(%o4) (sum(1/i,i,1,n))-sum(1/j,j,1,n)

Barton

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>Comment By: Barton Willis (willisbl)
Date: 2006-09-07 00:17

Message:
Logged In: YES 
user_id=895922

Great! I tested your patch using the test suite. It
passes.

Barton

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Comment By: Andrej Vodopivec (andrejv)
Date: 2006-09-04 05:04

Message:
Logged In: YES 
user_id=1179910

I attached a patch for sumcon.lisp which fixes this bug.
With this patch

(%i2) sum(1/kk,kk,1,n) - sum(1/ii,ii,1,n)$
(%i3) niceindices(%);
(%o3) 0

Andrej

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