how to make functions in mainscript

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Abdulrehman Khan
Abdulrehman Khan 2017-7-26
评论： Walter Roberson 2017-7-30
Here is My question and my code. I just want to know how can I make functions in main script
The main script should call:
 a function getData that accepts and returns two positive integer numbers.
 a function adjust that puts the larger in N and smaller in M.
 a function GCD that takes M and N then returns the gcd.
 a function printResult to print the gcd.
% Asks the user for input and takes only positive numbers into account
a = input('First number: ');
b = input('Second number: ');
a = abs(a);
b = abs(b);
n = max(a,b);
m = min(a,b);
% This is the real trick, normally performed a number of times
r = n - m*floor(n/m);
% Repeats the operation until updates of a equal updates of b
while r ~= 0
n = m;
m = r;
r = n - m*floor(n/m);
end
% Displays the result
GCD = m

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Walter Roberson
Walter Roberson 2017-7-26
If you are using R2016b or later, you can just put the code for the function at the end of your script.
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Abdulrehman Khan
Abdulrehman Khan 2017-7-30
编辑：Abdulrehman Khan 2017-7-30
Thanks for guiding me Sir but there is one more problem. I just need the code to print the answer as GCD = 9 but it prints the min value also. Here the screenshot
Walter Roberson
Walter Roberson 2017-7-30
The code you posted contains
just
function [n,m] = just
so you call just() and it returns two values, but you do not assign the values to variables and you do not have a ";" on the end of the line. The default in MATLAB when you call a function that returns one or more outputs is to display the content of the first output.

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