Redifining + function in matlab

I would like to redifine '+' function in MATLAB. Well my intention is not exactly to redefine +, instead I would like to create a new function ++ or $$ that would do the computation I need. Is this possible? I tried to define it as a function but merely defining as function doesn't help since it doesn't take such characters as function name. Is it possible to define a class of functions like ++ or or what ever, that can do the function I need?

Answer 1

[Lucas García]

You should check object oriented programming with MATLAB and how to overload operators like '+'.

To start with:

Object oriented programming

Class definition

Implementing Operators for Your Class

[Walter Roberson]

And for greater certainty: it is not possible to create new symbolic operator names in MATLAB, just to re-use ones that already exist.

[Lucas García]

That's right, thanks for the clarification Walter. Only existing MATLAB operators can be overloaded. Unless you are are using the Symbolic Math Toolbox in MuPad, but that's a whole different story...(http://www.mathworks.com/help/toolbox/mupad/stdlib/operator.html)

[Jyothy MJ]

Thankyou Roberson and Garcia. That really helped.