Variable with circular dependency

Submitted by JoshuaP on Wed, 11/19/2014 - 13:38

Hi,

is it possible to calculate a variable with circular dependency?
like

variable a equal v_a+1

and I want to evaluate the variable each timestep. So I need to use the variable in a command where it is used every timestep?
Is there a smart funktion that calculates the variable every n timesteps without printing or saving the variable somewhere?

Thanks
Joshua