Linear system solvers

Solves \( Ax = b \). More...

Modules
	General matrices: LU
	Solves \( Ax = b \) using LU factorization for general matrices.
	General matrices: RBT + no pivoting LU
	Solves \( Ax = b \) using RBT + no pivoting LU factorization for general matrices.
	General matrices: least squares
	Solves \( Ax \approx b \) where \( A \) is rectangular.
	Symmetric/Hermitian positive definite: Cholesky
	Solves \( Ax = b \) using Cholesky factorization for SPD/HPD matrices.
	Symmetric/Hermitian indefinite
	Solves \( Ax = b \) using indefinite factorization for Hermitian matrices.
	Symmetric indefinite
	Solves \( Ax = b \) using indefinite factorization for symmetric matrices.

Detailed Description

Solves \( Ax = b \).