Action: FAKE

Module	colvar
Description	Usage
This is a fake colvar container that is used by cltools or various other actions that supports input and period definitions

Details and examples

This is a fake colvar container that is used by cltools or various other actions that supports input and period definitions

This action is used in the code for sum_hills. The following example shows how a fake input can be setup

Click on the labels of the actions for more information on what each action computes

d2The FAKE action with label d2 calculates the following quantities:
 Quantity   
 Type   
 Description  
d2
scalar
the value calculated by this action: FAKEThis is a fake colvar container that is used by cltools or various other actions that supports input and period definitions More details ATOMSthe fake atom index, a number is enough=1 PERIODICif the output of your function is periodic then you should specify the periodicity of the function=-3.14,3.14

Input

The atoms that serve as the input for this action are specified using one or more of the keywords in the following table.

Keyword	Type	Description
ATOMS	atoms	the fake atom index, a number is enough

Full list of keywords

The following table describes the keywords and options that can be used with this action

Keyword	Type	Default	Description
ATOMS	input	none	the fake atom index, a number is enough
PERIODIC	compulsory	none	if the output of your function is periodic then you should specify the periodicity of the function
NUMERICAL_DERIVATIVESThis keyword do not have examples	optional	false	calculate the derivatives for these quantities numerically
NOPBCThis keyword do not have examples	optional	false	ignore the periodic boundary conditions when calculating distances
COMPONENTSThis keyword do not have examples	optional	not used	additional components that this variable is supposed to have