MATLAB: Explain weird MATLAB behavior

MATLABweird 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

Best Answer

It's a SPARSE matrix
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