Category Archives: programming

A simple guide to s/d/c/z-gemm in Fortran

Since I do not use so often BLAS library for matrix-matrix multiplication, when I have to multiply two matrices with some rectangular shape or with additional operation I always get confused. So I decided to write a simple guide to c/z-gemm in fortran. 1) Simplest case two square complex matrices: A(N,N) and B(N,N) and I… Read More