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Tried to change the diagonal elements of a magic square. Could not understand the error message.

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Seetha Rama Raju Sanapala
编辑： Matt J 2017-12-28
a= magic(6), diag(a)=[1 0 2 0 3 4]
Error message that I got was "Subscripted assignment dimension mismatch".
Do not understand why this happened, when you can easily replace a column or row of the matrix with similar syntax.

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Matt J
Matt J 2017-12-28
编辑：Matt J 2017-12-28
You cannot put a function call on the left hand side of an assignment statement. Do this instead,
a(1:7:end)=[1 0 2 0 3 4]

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