Some "dragitz" on GitHub will collaborate with me on that compiler, he claims to be able to implement matrix operations into it. I am a bit skeptical this will end up well (primarily because they will need to edit the parser code, which is rather dirty), but it's good to have a company.
https://github.com/dragitz/ArithmeticExp...ler/pull/1
https://github.com/dragitz/ArithmeticExp...ler/pull/1