matrix business in D

[Yura]

Dear D programmers,

I am very new to D programming language. I just started to learn 
it as an alternative to python since the latter sometimes is too 
slow. My question is whether there some simple ways to solve 
linear algebra problems in D programming language? E.g. matrix 
multiplication, diagonalization, SVD decomposition? If there is 
something, I would definitely stick to D programming language in 
my projects.

PS I am not a proffesinal programmer and I am sorry if this 
question has already been discussed.

Thaks in advance!