numnz (MathScript RT Module Function)
Owning Class: linalgebra
Requires: MathScript RT Module
Syntax
c = numnz(a)
Legacy Name: nnz
Description
Returns the number of non-zero elements in a matrix.
Inputs
| Name | Description |
|---|---|
| a | Specifies a matrix. |
Outputs
| Name | Description |
|---|---|
| c | Returns the number of non-zero elements in a. c is an integer. |
Examples
A = [1, 2, 3; 0, 0, 0; 0, 2, 3]
C = numnz(A)