[VB]	Public Function delta([ offset As Integer ]) As ArrayMath
[C#]	public ArrayMath delta([ int offset ]);

Subtracts each element of the ArrayMath object by an earlier element in the same ArrayMath object.

Argument	Default	Description
offset	1	The difference in position between an element and the earlier element to be subtracted from it.

The current ArrayMath object.