# avg Function

Calculates the average of the argument with respect to its reference as defined by:

$y = \int_{0}^{t}\frac{x}{t}dt$

where $x$ is the argument and $t$ is the reference of $x$. See Vector References for details.

The function uses simple trapezoidal integration.

An error will occur if the argument supplied has no reference.

### Arguments

 Number Type Compulsory Default Description 1 real array Yes vector

### Returns

Return type: real array