How to correct make Dll in matlab and then use it in matlab?

I want to create function with arrays inputs and then make DLL, which will be used in MATLAB

[Rik]

That is only possible in fairly old releases of Matlab.

The search term you're looking for is mex.

[Bob]

Mex is not suitable for this task, because mex is used for generation dll file(

[Bob]

I'll try do in matlab 2011a. Maybe somebody else know how to solve this task...