[Octave-bug-tracker] [bug #63281] bsxfun fails to preserve sparse output for some functions

[John W. Eaton]

Follow-up Comment #12, bug #63281 (project octave):

Like for the isfinite vs. isinf and isnan case from bug #63277, it seems that
the decision was made at some point long ago that operations which will surely
cause the matrix to fill in should return full matrix objects and the others
not.

Separate from broadcasting, is Octave compatible with Matlab when performing
sparse/full and full/sparse binary operations?  If so, we have tests to ensure
that we don't accidentally break that compatibility?  If not, I guess having
tests would be a good first step.



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