matlab - how to put The main diameter in magic(9) with diag in a matrix 3 * 3? -


this code,i want put result of diag in matrix 3*3 in matlab,how create it?

a=magic(9); b=diag(a);

i want put result of b in matrix 3*3

you can reshaping array: 

c=reshape(b,3,3)

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