Given an example of: A diagonal matrix which is not scalar.

Question

Given an example of:
A diagonal matrix which is not scalar.

✓

Answer

$\begin{bmatrix}1&0&0\\0&2&0\\0&0&3\end{bmatrix}$
For a diagonal matrix which is not scalar, all elements except those in the leading diagonal should be zero and the elements in the diagonal should not be equal.

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