create a file to call a function and graph it in matlab

main.m
function myFunction(arg1, arg2)
  % Your code here
  % Example code to generate a sample graph
  x = linspace(0,10,100);
  y = sin(x);
  plot(x,y);
end
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main.m
% Main script
arg1 = % your value;
arg2 = % your value;
myFunction(arg1, arg2); % Call your function

% Save your plot to a file
saveas(gcf, 'plot.png'); % The gcf command gets the handle to the current figure
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