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

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Rutika Titre
Rutika Titre on 1 Dec 2015
Answered: Walter Roberson on 1 Dec 2015
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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Accepted Answer

Walter Roberson
Walter Roberson on 1 Dec 2015
eye(length(M))

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