Question

Write a function to check whether a given square matrix is diagonally
dominant or not. If not, the function should indicate if the matrix can
be made diagonally dominant by interchanging the rows?

Answer 1

Answer:

square matrix is diagonal and only if it it is triangular or normal. any square diagonal matrix is also a symmetric matrix diagonal Matrix can be defined as a matrix that is both upper and lower triangular The Identity Matrix in a n e square zero matrix are diagonal

square matrix:

square metric is an n x n matrix that is a matrix having a same number of row as column

diagonal matrix:

Matrix having non zero element only in diagonal running from the upper left to the lower right.

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