How can I get a value from another m file ?

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nero
nero 2015-12-6
评论： Patrick Miller 2020-4-24
Hi , Lets say I have the following m file
function y = f1(x)
y = exp(x);
title = 'graph 1';
end
how can I access the variable (title) in my main m file ? for example using the title for a plot in my main file

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Geoff Hayes
Geoff Hayes 2015-12-6
nero - return title as an output parameter from your call to the function
function [y,title] = f1(x)
Although, would the title always be 'graph 1', or could it be something different?
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Geoff Hayes
Geoff Hayes 2015-12-6
In your main m file, you would call the function as
[y,t] = f1(x);
passing your x into this function and obtaining the output parameters y and t (the title). How are you attempting to call the function now?

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