[Maxima-bugs] [ maxima-Bugs-1647987 ] invert_by_lu using rationalfield

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Bugs item #1647987, was opened at 2007-01-30 08:44
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Category: Share Libraries
Group: None
Status: Open
Resolution: None
Priority: 4
Private: No
Submitted By: Barton Willis (willisbl)
Assigned to: Barton Willis (willisbl)
Summary: invert_by_lu using rationalfield

Initial Comment:
(%i1) load(linearalgebra)$
(%i2) m : matrix([1,2],[3,4])$
(%i3) invert_by_lu(m,rationalfield);
Maxima encountered a Lisp error:
Error in FUNCALL [or a callee]: The function NIL is undefined.

Inverting with the generalring is OK

(%i4) invert_by_lu(m);
(%o4) matrix([-2,1],[3/2,-1/2])

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You can respond by visiting: 
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