creating an 8x8 matrix using "diag"

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Liam Sullivan
Liam Sullivan 2020-1-22
回答： James Tursa 2020-1-22
So im trying to create an 8x8 matrix with 2's in the diagonal but 0s everywhere else. I used diag(8,8)*0 + 2 but that gived me 2's everywhere.

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James Tursa
James Tursa 2020-1-22
2*eye(8)

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