.TH "TESTING/LIN/zget04.f" 3 "Version 3.12.0" "LAPACK" \" -*- nroff -*- .ad l .nh .SH NAME TESTING/LIN/zget04.f .SH SYNOPSIS .br .PP .SS "Functions/Subroutines" .in +1c .ti -1c .RI "subroutine \fBzget04\fP (n, nrhs, x, ldx, xact, ldxact, rcond, resid)" .br .RI "\fBZGET04\fP " .in -1c .SH "Function/Subroutine Documentation" .PP .SS "subroutine zget04 (integer n, integer nrhs, complex*16, dimension( ldx, * ) x, integer ldx, complex*16, dimension( ldxact, * ) xact, integer ldxact, double precision rcond, double precision resid)" .PP \fBZGET04\fP .PP \fBPurpose:\fP .RS 4 .PP .nf !> !> ZGET04 computes the difference between a computed solution and the !> true solution to a system of linear equations\&. !> !> RESID = ( norm(X-XACT) * RCOND ) / ( norm(XACT) * EPS ), !> where RCOND is the reciprocal of the condition number and EPS is the !> machine epsilon\&. !> .fi .PP .RE .PP \fBParameters\fP .RS 4 \fIN\fP .PP .nf !> N is INTEGER !> The number of rows of the matrices X and XACT\&. N >= 0\&. !> .fi .PP .br \fINRHS\fP .PP .nf !> NRHS is INTEGER !> The number of columns of the matrices X and XACT\&. NRHS >= 0\&. !> .fi .PP .br \fIX\fP .PP .nf !> X is COMPLEX*16 array, dimension (LDX,NRHS) !> The computed solution vectors\&. Each vector is stored as a !> column of the matrix X\&. !> .fi .PP .br \fILDX\fP .PP .nf !> LDX is INTEGER !> The leading dimension of the array X\&. LDX >= max(1,N)\&. !> .fi .PP .br \fIXACT\fP .PP .nf !> XACT is COMPLEX*16 array, dimension (LDX,NRHS) !> The exact solution vectors\&. Each vector is stored as a !> column of the matrix XACT\&. !> .fi .PP .br \fILDXACT\fP .PP .nf !> LDXACT is INTEGER !> The leading dimension of the array XACT\&. LDXACT >= max(1,N)\&. !> .fi .PP .br \fIRCOND\fP .PP .nf !> RCOND is DOUBLE PRECISION !> The reciprocal of the condition number of the coefficient !> matrix in the system of equations\&. !> .fi .PP .br \fIRESID\fP .PP .nf !> RESID is DOUBLE PRECISION !> The maximum over the NRHS solution vectors of !> ( norm(X-XACT) * RCOND ) / ( norm(XACT) * EPS ) !> .fi .PP .RE .PP \fBAuthor\fP .RS 4 Univ\&. of Tennessee .PP Univ\&. of California Berkeley .PP Univ\&. of Colorado Denver .PP NAG Ltd\&. .RE .PP .PP Definition at line \fB101\fP of file \fBzget04\&.f\fP\&. .SH "Author" .PP Generated automatically by Doxygen for LAPACK from the source code\&.