#4502: [with patch; needs work] numerical noise in matrix_double_dense on intel
mac os X 10.5: inverting a singular matrix
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Reporter: jhpalmieri | Owner: somebody
Type: defect | Status: new
Priority: major | Milestone: sage-3.2
Component: linear algebra | Resolution:
Keywords: numerical noise, matrix |
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Comment (by GeorgSWeber):
Ahhh, sorry for the noise --- the exception does not fly on my box because
my box believes the matrix would be invertible and provides an inverse
matrix --- but on other computers the matrix is not invertible and there,
the exception comes up.
Would that not be an issue to enhance the "#random" pragma then?
More precisely: Allowing on certain boxes the calculation to finish (but
throw away the result), and on other boxes having an exception (but again
throwing the outcome)?
Just point out to me the respective parts of the IRC conversation if all
that info is in there ... and if you find the time and have patience to do
so ... ;-)
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/4502#comment:13>
Sage <http://sagemath.org/>
Sage - Open Source Mathematical Software: Building the Car Instead of
Reinventing the Wheel
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