4.1.3 Matrix-by-Matrix-operations (BLAS3)

Assume that $A$, $B$, $C$ are full matrices.
Typical operations are :

$\bullet$ $C := A + B$ $C := A - B$
$\bullet$ $C := A \ast B$
$\bullet$ $C := C + A \ast B$
$\bullet$ $A^T$, $A^{-1}_{N\times N}$
$\bullet$ Factorization, Givens rotation, ...