numpts

The element counting function.

Syntax

numpts(expr)

Input

expr
A valid scalar, vector, or matrix expression.

Example

Templex Expression Result
{numpts(PI/2)} 1
{numpts( {0, 1, 2}* PI)} 3
{numpts( { {0, 1, 2}, {0, 2, 4} } )} 6

Comments

The numpts function returns the number of elements in an expression. The result is always a scalar.

If expr is a scalar, the result is one.