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[Octave-bug-tracker] [bug #40105] Logical diagonal matrices are not supp
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From: |
David Bateman |
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Subject: |
[Octave-bug-tracker] [bug #40105] Logical diagonal matrices are not supported |
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Date: |
Tue, 22 Oct 2013 18:08:56 +0000 |
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User-agent: |
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:24.0) Gecko/20100101 Firefox/24.0 |
Follow-up Comment #4, bug #40105 (project octave):
You can always use spdiags. For example
logical (speye(n)) * spdiags (true (n,1), 0, n, n)
and sparse matrices are on both sides of the multiplication operator, and the
conversion to a full matrix never happens. THis has the advantage of working
similarly with matlab.
I agree it might be nice to have this but it seems a hell of a lot of effort
to introduce a new type for this an instaniate all of the operators between
thix new type and the existing types.
David
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