narginchk

Check for correct number of inputs.

Syntax

narginchk(a,b)

Inputs

a
Minimum number of input arguments.
Type: double | integer
Dimension: scalar
b
Maximum number of input arguments.
Type: double | integer
Dimension: scalar

Example

Simple nargoutchk example. 

function [x,y] = myfunc(a,b,varargin)
narginchk(3,4)
x = a+b+varargin{1};
y = a-b;     
end

try
myfunc(9)
catch
disp('Not enough inputs')
end
Not enough inputs