ismatrix

Determine if an array is a matrix

Usage

ismatrix(A)

• A should be an array.
• It returns logical 1 if A is a matrix, and logical 0 if otherwise.
• A matrix is an $m\times n\times1\times\cdots\times 1$ array with $m,n\geq 0$.
• This implies ndims(A) == 2.