C code generation, "unknown complier" occured

hi,when i studying how to generate c code using matlab in a book, an error in the code generation report occured:unknown complier. how can i overcome that error?

P.S. the function in my exercise is

function c=myadd(a,b)

c=a+b;

Answer 1

[Azzi Abdelmalek]

You have to chose your compiler. In Matlab command

 mex -setup

Then choose your compiler

[Image Analyst]

I also do "mcc -setup" - not sure if you have to do them both or not.

[Azzi Abdelmalek]

I think it's not necessary if you don't use mcc command