function tik
%  This function stores the exact time that this function was run at so
%  that the time in between this function tik, and the next function tok
%  can be used together to measure elapsed time across MATLAB sessions.
%    Programmer         Date        Description of Change
%    ==========         ====        =====================
%  xxxx yyyyyyyyyyy     4/11/12      Original Code
%
%  Define Variables
%  p1         -- the current time at which the function was run

% Saving p1 as the exact time using matlab's clock
p1= clock;
save tik p1