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

[Nicholas Jankowski]

Follow-up Comment #8, bug #63281 (project octave):

plus:

A = sprand (10, 10, 0.1);
x = 1;
Ax=issparse(A + x)
sx = sparse (x);
Asx=issparse(A + sx)
r = 1:10;
Ar=issparse(A + r)
sr = sparse (r);
Asr=issparse(A + sr)
Ax =
  logical
   0
Asx =
  logical
   1
Ar =
  logical
   0
Asr =
  logical
   1


minus:

A = sprand (10, 10, 0.1);
x = 1;
Ax=issparse(A - x)
sx = sparse (x);
Asx=issparse(A - sx)
r = 1:10;
Ar=issparse(A - r)
sr = sparse (r);
Asr=issparse(A - sr)
Ax =
  logical
   0
Asx =
  logical
   1
Ar =
  logical
   0
Asr =
  logical
   1


times:

A = sprand (10, 10, 0.1);
x = 1;
Ax=issparse(A .* x)
sx = sparse (x);
Asx=issparse(A .* sx)
r = 1:10;
Ar=issparse(A .* r)
sr = sparse (r);
Asr=issparse(A .* sr)
Ax =
  logical
   1
Asx =
  logical
   1
Ar =
  logical
   1
Asr =
  logical
   1



divide:

A = sprand (10, 10, 0.1);
x = 1;
Ax=issparse(A ./ x)
sx = sparse (x);
Asx=issparse(A ./ sx)
r = 1:10;
Ar=issparse(A ./ r)
sr = sparse (r);
Asr=issparse(A ./ sr)
Ax =
  logical
   1
Asx =
  logical
   1
Ar =
  logical
   1
Asr =
  logical
   1


and:

A = sprand (10, 10, 0.1);
x = 1;
Ax=issparse(and(A,x))
sx = sparse (x);
Asx=issparse(and(A,sx))
r = 1:10;
Ar=issparse(and(A,r))
sr = sparse (r);
Asr=issparse(and(A,sr))
Ax =
  logical
   1
Asx =
  logical
   1
Ar =
  logical
   1
Asr =
  logical
   1



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