Creating 1000 by 1000 square matrix with random numbers using C#

[C# Programming]

End Google Ads 201810 - BS.net 01 --> Hi all,
I am trying to create a large square matrix using visual C# to do linear algebra calculations
e.g. transpose, inverse, solve the system etc
Can anyone help me with eh code required to even set this up? How do create the matrix and generate random values for each element? I am totally new to C#.
Iman