[Octave-bug-tracker] [bug #57909] incorrect result for sparse matrix exponentiation

[Rik]

Update of bug #57909 (project octave):

                  Status:                    None => Confirmed              

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Follow-up Comment #1:

Confirmed.  This doesn't appear correct.  For a more vivid example, just take
one of the failing entries such as a(3,3) => 0 and b(3,3) = 2.


octave:14> a = sparse (0)
a = Compressed Column Sparse (rows = 1, cols = 1, nnz = 0 [0%])

octave:15> b = sparse (2)
b = Compressed Column Sparse (rows = 1, cols = 1, nnz = 1 [100%])

  (1, 1) -> 2
octave:17> a.^b
ans = Compressed Column Sparse (rows = 1, cols = 1, nnz = 1 [100%])

  (1, 1) -> 1


But, when calculated in a regular manner


octave:20> 0 .^ 2
ans = 0





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