How can i extend the memory allocated to matlab ??

I nedd to extend the memory how to do this ?? Can someone help me

Answer 1

[Walter Roberson]

Best way: Use the 64 bit version of MATLAB on a system with lots of memory.

[Mariem Harmassi]

I m not asking about the performances required by matlab cauz cannot chnage my machine what i need is to redefine the space allocated to matlab how can i do this ??