Why this error is showing?

 cell2mat(allcomb(num2cell(c1,2),num2cell(c3,2)));

Undefined function or variable 'allcomb'.

Please help

Answer 1

[James Tursa]

You can get allcomb, written by Jos, from the FEX here:

http://www.mathworks.com/matlabcentral/fileexchange/10064-allcomb-varargin-