NAG fl90 Library

Chapter 4: Matrix and Vector Operations


Chapter Introduction
Module 4.1: nag_mat_norm - Norms of a matrix
nag_gen_mat_norm Computes a norm, or the element of largest absolute value, of a general real or complex matrix
nag_gen_bnd_mat_norm Computes a norm, or the element of largest absolute value, of a real or complex square banded matrix
nag_sym_mat_norm Computes a norm, or the element of largest absolute value, of a real or complex, symmetric or Hermitian matrix, stored in conventional or packed storage
nag_sym_bnd_mat_norm Computes a norm, or the element of largest absolute value, of a real or complex, symmetric or Hermitian band matrix
nag_trap_mat_norm Computes a norm, or the element of largest absolute value, of a real or complex trapezoidal matrix
nag_tri_mat_norm Computes a norm, or the element of largest absolute value, of a real or complex triangular matrix, stored in conventional or packed storage
nag_tri_bnd_mat_norm Computes a norm, or the element of largest absolute value, of a real or complex triangular band matrix
nag_hessen_mat_norm Computes a norm, or the element of largest absolute value, of a real or complex upper Hessenberg matrix


Last modified: new doc September 1999
© The Numerical Algorithms Group Ltd, Oxford UK. 1999