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Not enough input arguments

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Anna
Anna 2013-7-27
关闭： MATLAB Answer Bot 2021-8-20
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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回答（2 个）

per isakson
per isakson 2013-7-27
编辑：per isakson 2013-7-27
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
Jan
Jan 2013-7-27
Your function looks correct. I assume, you called it without an input argument:
Square
instead of providing the input:
Square(7)

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