Asked by Anna
on 27 Jul 2013

Hi all,

I am very new to matlab and programming in general. I am having difficulty with functions.

Trying to grip the basics i entered this which I saw online:

function [y] = Square(x) y = x^2 return

I get the error message "Not enough input arguments" If anyone can tell me in basic terms what is going on that would be much appreciated.

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Answer by per isakson
on 27 Jul 2013

Edited by per isakson
on 27 Jul 2013

Try

>> seven_raised_to_two = my_Square( 7 );

where

function y = my_Square(x) y = x^2; end

are three lines in a separate file named my_Square.m

Neither `[y]` nor `return` is wrong, but ...

.

To be sure not to cause a name conflict `my_Square` is better, sice there is a function named `square` in the signal-something-toolbox.

>> which square C:\Program Files\MATLAB\R2013a\toolbox\signal\signal\square.m

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