Linear Equations

• aff2ab — linear (affine) function to A,b conversion
• chol — Cholesky factorization
• inv — matrix inverse
• linsolve — linear equation solver
• lsq — linear least square problems.
• lu — LU factorization with pivoting
• pinv — pseudoinverse
• qr — QR decomposition
• rankqr — rank revealing QR factorization