Hi Andy!
I'm not sure if I understood your problem, so let me explain what I understood first! And if it is not what you mean please explain a little bit more.
My understanding: You have a function that you pass variables to and you get some outputs out of it. You have a parameter fixed inside your function to 5000 which should be length of the previous out put of the same function
For instance
[x,xs,yw] = myfunction(input1,in2,in3)
% here you have some codes
t_test = 5000;
% rest of yoru code
% assigning the output variables for example
x = sin(input1);
xs = cos(in2);
yw = tan(in2);
end % this is the end of the function
but you want your function to be as
[x,xs,yw] = myfunction(input1,in2,in3,t_test)
% there is no constant t_test in body of the code
end
where t_test is = length(yw) of the last iteration!
So you can either put myfunction inside a loop and put this all inside another function if you like.
Or
Use a persistent variable! this variable does not remove when function is reached the end, so in the next iteration it has a value. Look at MATLAB help for persistent keyword.
I think your code should look like this eventually
[x,xs,yw] = myfunction(input1,in2,in3,in4)
% here you have some codes
%
if ~exist(t_test)
persistent t_test; defining a persistent variable
t_test = in4; this only happens the first time
end
% rest of yoru code
% assigning the output variables for example
x = sin(input1);
xs = cos(in2);
yw = tan(in2);
%
t_test = length(yw); here is setting the t_test for new iteration
%
end % this is the end of the function
This is a clue on how to do it, I'm sure you can figure it out.
Good Luck!
