how to calculate smith macmillan form in matlab?

how to calculat smith macmillan form in matlab? pleas help me !!! i look for a suitable program to Computing smith macmillan form of a system, i cant find anyhing and all of the progams dosent work.

[Walter Roberson]

What difficulties are you encountering with http://www.mathworks.com/matlabcentral/fileexchange/46982-mult-t/content/Mult&T/smform.m and http://www.mathworks.com/matlabcentral/fileexchange/10816-mimo-toolbox/content/Mimotools/smform.m

?

[amid tak]

this errors

http://nl.mathworks.com/matlabcentral/answers/257825-how-can-i-calculate-smith-macmillan-form