matlab function and excel connection

Hello all,

I have connected my matlab function to excell via spreadsheet link ex. I can get data and set data but i can not use my matlab function in excel. i want to see all the output variables which are in workspace, in the excel when i enter the input value. if you could help me i would be greatfull

for ezample ; // in m file

function [x,z]=sil(a) b = 40; x=a+b; z=a-b;

val_z = z; val_x = x;

end

//in command window

[x,z]=sil(75)

// in workspace

x = 115; z = 35;

and i want to see x and z values in excel when i enter a