XLPack 6.1
C/C++ API Reference Manual
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Functions
D1b. Elementary matrix operations: norm of matrix

Functions

double _dlangb (char norm, int n, int kl, int ku, int ldab, double ab[], double work[])
 One norm, Frobenius norm, infinity norm, or largest absolute value of any element of a general band matrix
 
double _dlange (char norm, int m, int n, int lda, double a[], double work[])
 One norm, Frobenius norm, infinity norm, or largest absolute value of any element of a general rectangular matrix
 
double _dlangt (char norm, int n, double dl[], double d[], double du[])
 One norm, Frobenius norm, infinity norm, or largest absolute value of any element of a general tridiagonal matrix
 
double _dlansb (char norm, char uplo, int n, int k, int ldab, double ab[], double work[])
 One norm, Frobenius norm, infinity norm, or largest absolute value of any element of a symmetric band matrix
 
double _dlansp (char norm, char uplo, int n, double ap[], double work[])
 One norm, Frobenius norm, infinity norm, or largest absolute value of any element of a symmetric matrix in packed form
 
double _dlanst (char norm, int n, double d[], double e[])
 One norm, Frobenius norm, infinity norm, or largest absolute value of any element of a symmetric tridiagonal matrix
 
double _dlansy (char norm, char uplo, int n, int lda, double a[], double work[])
 One norm, Frobenius norm, infinity norm, or largest absolute value of any element of a real symmetric matrix
 
double _dlantr (char norm, char uplo, char diag, int m, int n, int lda, double a[], double work[])
 One norm, Frobenius norm, infinity norm, or element of largest absolute value of a trapezoidal or triangular matrix
 

Detailed Description

This is the group of D1b. Elementary matrix operations: norm of matrix.