Diag Code M54 5 - MARKETING

I understand that there is a $\operatorname {diag}$ operator, which, when given a vector argument, creates a matrix with the vector values along the diagonal, but I can't understand how such an operator would work on a set of matrices. The function diag(B) takes a matrix argument and returns a vector result, while the function Diagonal(b) takes a vector argument and returns a (diagonal) matrix, but courtesy of Julia's multiple dispatch feature, you can also call this function with a matrix argument and it will behave like Diagonal(diag(B)) $\,$ It seems odd at first, but I ... Define $ {\rm diag} ()$ as a function which returns the main diagonal of its matrix argument as a column vector, and $ {\rm Diag} ()$ as a function which create a diagonal matrix from a vector argument.

Assuming you mean diag to be placing the vector on the diagonals, there can be many properties. What you mentioned is true : It's linear. What is your motivation for asking this question? matrices - Are there any properties of the diag operator?

diag code m54 5, - Mathematics ...