Explain weird MATLAB behavior

It is the first time that having a diagonal matrix matlab keeps writing the indices of the matlab element I am requiring and then the element values
below I report the results for matlab command window
1.0e+05 *
(1,1) -1.2727
(1,2) 0.0001
vv has been extracted from a structure
Can you explain this behviour

 采纳的回答

Bruno Luong
Bruno Luong 2020-7-6

1 个投票

It's a SPARSE matrix

4 个评论

OK, how can I convert in a regular matrix or extract regular scalar from it?
Thanks a lot
Extract scalar between sparse and full matrix uses the same syntax
M(i,j)
To convert to full matrix
A = full(S)
Great, nice shot
Many thanks
@Marco,
Since you are clearly satisfied with Bruno's answer, you should Accept-click it.

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