[URGENT, FOR THESIS MATTER] How to Using PINV matlab's function from visual basic

I wanna using pinv for pseudoinverse matlab function from visual basic 6.

I've tried to make a .m file which contain this code:

function pinvH = pseduoinv( H )
matriksH=load(H)
pinvH=pinv(matriksH)

end

and in visual basic 6, i've add matlab automation server and do this code:

FYI, dataH is a matriks MxN.

when i run this, the error messege will be 'dataH isn't a string'. what should i do??
this is make me crazy.

somebody have the other way how to make it?
please help me, thanks a lot