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[Octave-bug-tracker] [bug #46103] inversion of a singular diagonal matri


From: Rik
Subject: [Octave-bug-tracker] [bug #46103] inversion of a singular diagonal matrix A produces inv(A)==A
Date: Fri, 02 Oct 2015 15:49:52 +0000
User-agent: Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:41.0) Gecko/20100101 Firefox/41.0

Follow-up Comment #2, bug #46103 (project octave):

The diagonal matrix class is supposed to be a memory saving optimization.  All
calculations on diagonal matrices should result in exactly the same behavior
as when a full matrix is used.  My suggestion would be to change the diagonal
class to return an Inf array for a singular matrix the same as is done fore a
full matrix.

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  <http://savannah.gnu.org/bugs/?46103>

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