a = [1 0 0 1];
b = [2 2 1 2];
c = 4;
if sum(~cellfun(@isscalar, {a b c})) > 1 %You have more than 1 non-scalar
fprintf('This code only allows one vector at a time.\n');
return
end
If your function is uses varargin, you could do this:
%Out = myFunc(a, b, c)
function Out = myFunc(varargin)
Out = [];
if nargin ~= 3
fprintf('Need 3 inputs.\n');
return
elseif sum(~cellfun(@isscalar, varargin)) > 1
fprintf('This code only allows one vector at a time.\n');
return
end
