How to generalize the size of identity matrix as that of any size of input matrix

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Rutika Titre
Rutika Titre 2015-12-1
回答： Walter Roberson 2015-12-1
My input matrix M of size 5X5, I want an identity matrix of its size so I gave I=ones(5).I have to change every time the size of identity matrix to that of the size of input matrix.
I want generalized way of identity matrix any help regarding this query please.

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Walter Roberson
Walter Roberson 2015-12-1
eye(length(M))

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