How to set the value of a variable in one function from another?

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I have a function in its own file that has the variable n. I want to run the function in a loop incrementing the value for n each time in another function file. I am able to access the value of n if its set prior but I dont know how to change it from my second function.
Any help would be greatly appreciated.
Its something like this.
function[n,x,y] = f1
n;
//code that does stuff with n
end
Then in my second function I have the following loop where I call f1 and want to change the value of n each time/
function f2
for k=1:5
n=k
[n,x,y] = f1
end
end
  1 Comment
KSSV
KSSV on 8 Apr 2022
n is the out put from f1 obtained after some calculation. Why and how you want to change it?

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Accepted Answer

per isakson
per isakson on 8 Apr 2022
Modify the function so that f1 takes n as an input argument
function [n,x,y] = f1( n )
n;
//code that does stuff with n
end
function f2
for k=1:5
n=k
[n,x,y] = f1( n );
end
end

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