This is part of the function module

Calculate the SUM of the set of input scalars

Examples

Glossary of keywords and components

Description of components

By default the value of the calculated quantity can be referenced elsewhere in the input file by using the label of the action. Alternatively this Action can be used to calculate the following quantities by employing the keywords listed below. These quantities can be referenced elsewhere in the input by using this Action's label followed by a dot and the name of the quantity required from the list below.

Quantity	Description
.#!value	the sum of all the input arguments

Compulsory keywords

ARG	the labels of the values from which the function is calculated
PERIODIC	if the output of your function is periodic then you should specify the periodicity of the function. If the output is not periodic you must state this using PERIODIC=NO

Options

NUMERICAL_DERIVATIVES

( default=off ) calculate the derivatives for these quantities numerically