[Octave-bug-tracker] [bug #44193] whos "elements" count wrong for user-defined class, capacity problem?

[Dan Sebald]

Follow-up Comment #2, bug #44193 (project octave):

What is 'sym'?  Is it related to symmetric elimination tree?  "symbolic"? 
Here's another example:


>> sparse(1,2,3)
ans =

Compressed Column Sparse (rows = 1, cols = 2, nnz = 1 [50%])

  (1, 2) ->  3

>> whos
Variables in the current scope:

   Attr Name        Size                     Bytes  Class
   ==== ====        ====                     =====  =====
        ans         1x2                         24  double

Total is 1 element using 24 bytes


Could it be that the sparse variables only count the defined, non-zero values?
 Filling in the zero value results in two elements:


>> ans(1,1) = 6
ans =

Compressed Column Sparse (rows = 1, cols = 2, nnz = 2 [100%])

  (1, 1) ->  6
  (1, 2) ->  3

>> whos
Variables in the current scope:

   Attr Name        Size                     Bytes  Class
   ==== ====        ====                     =====  =====
        ans         1x2                         36  double

Total is 2 elements using 36 bytes



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