SOLUTION: why all diagonal matrices are not scalar matrices?

SOLUTION: why all diagonal matrices are not scalar matrices?

Algebra.Com

Question 1070328: why all diagonal matrices are not scalar matrices?
Answer by ikleyn(52879) (Show Source): You can put this solution on YOUR website!
.
The question, as it posted, doesn't make sense.

RELATED QUESTIONS
why is division not use in... (answered by stanbon)

Are these matrices inverses of each other? Show why or why not. [2 -1] [-3 1]... (answered by Fombitz)

how are matrices like... (answered by elima)

Is division applied on matrices?... (answered by rothauserc)

How many pairwise non-similar 3x3 diagonal orthogonal matrices are... (answered by ikleyn)

If the matrices A and B are two invertible matrices, then (A + B) is also invertible... (answered by ikleyn)

what are the dementions of... (answered by solver91311)

Prove that symmetric matrices are always... (answered by ikleyn)

Multiplication of matrices are only commutative for some cases of matrices. What are... (answered by jim_thompson5910)