CLANGT(1) LAPACK auxiliary routine (version 3.2) CLANGT(1)[top]NAMECLANGT - returns the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a com‐ plex tridiagonal matrix ASYNOPSISREAL FUNCTION CLANGT( NORM, N, DL, D, DU ) CHARACTER NORM INTEGER N COMPLEX D( * ), DL( * ), DU( * )PURPOSECLANGT returns the value of the one norm, or the Frobenius norm, or the infinity norm, or the element of largest absolute value of a complex tridiagonal matrix A.DESCRIPTIONCLANGT returns the value CLANGT = ( max(abs(A(i,j))), NORM = 'M' or 'm' ( ( norm1(A), NORM = '1', 'O' or 'o' ( ( normI(A), NORM = 'I' or 'i' ( ( normF(A), NORM = 'F', 'f', 'E' or 'e' where norm1 denotes the one norm of a matrix (maximum column sum), normI denotes the infinity norm of a matrix (maximum row sum) and normF denotes the Frobenius norm of a matrix (square root of sum of squares). Note that max(abs(A(i,j))) is not a consistent matrix norm.ARGUMENTSNORM (input) CHARACTER*1 Specifies the value to be returned in CLANGT as described above. N (input) INTEGER The order of the matrix A. N >= 0. When N = 0, CLANGT is set to zero. DL (input) COMPLEX array, dimension (N-1) The (n-1) sub-diagonal elements of A. D (input) COMPLEX array, dimension (N) The diagonal elements of A. DU (input) COMPLEX array, dimension (N-1) The (n-1) super-diagonal elements of A. LAPACK auxiliary routine (versioNovember 2008 CLANGT(1)

List of man pages available for

Copyright (c) for man pages and the logo by the respective OS vendor.

For those who want to learn more, the polarhome community provides shell access and support.

[legal] [privacy] [GNU] [policy] [cookies] [netiquette] [sponsors] [FAQ]

Polar

Member of Polar

Based on Fawad Halim's script.

....................................................................

Vote for polarhome |