Top Forums Shell Programming and Scripting [Solved] Perform an operation to all directories Post 302725289 by Blue Solo on Friday 2nd of November 2012 03:46:03 AM
Old 11-02-2012
[Solved] Perform an operation to all directories

Sorry, about this thread - I solved my own problem! Thanks for taking a look.

Moderator's Comments:
Mod Comment edit by bakunin: no problem, but it would have been a nice touch to actually tell us what the solution was. This would have been slightlich more educating than just knowing that you found it.

I changed your title to reflect the status of the problem.

Last edited by bakunin; 11-02-2012 at 08:39 AM..

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SGGLSE(l)								 )								 SGGLSE(l)

SGGLSE - solve the linear equality-constrained least squares (LSE) problem SYNOPSIS
SGGLSE solves the linear equality-constrained least squares (LSE) problem: minimize || c - A*x ||_2 subject to B*x = d where A is an M-by-N matrix, B is a P-by-N matrix, c is a given M-vector, and d is a given P-vector. It is assumed that P <= N <= M+P, and rank(B) = P and rank( ( A ) ) = N. ( ( B ) ) These conditions ensure that the LSE problem has a unique solution, which is obtained using a GRQ factorization of the matrices B and A. ARGUMENTS
M (input) INTEGER The number of rows of the matrix A. M >= 0. N (input) INTEGER The number of columns of the matrices A and B. N >= 0. P (input) INTEGER The number of rows of the matrix B. 0 <= P <= N <= M+P. A (input/output) REAL array, dimension (LDA,N) On entry, the M-by-N matrix A. On exit, A is destroyed. LDA (input) INTEGER The leading dimension of the array A. LDA >= max(1,M). B (input/output) REAL array, dimension (LDB,N) On entry, the P-by-N matrix B. On exit, B is destroyed. LDB (input) INTEGER The leading dimension of the array B. LDB >= max(1,P). C (input/output) REAL array, dimension (M) On entry, C contains the right hand side vector for the least squares part of the LSE problem. On exit, the residual sum of squares for the solution is given by the sum of squares of elements N-P+1 to M of vector C. D (input/output) REAL array, dimension (P) On entry, D contains the right hand side vector for the constrained equation. On exit, D is destroyed. X (output) REAL array, dimension (N) On exit, X is the solution of the LSE problem. WORK (workspace/output) REAL array, dimension (LWORK) On exit, if INFO = 0, WORK(1) returns the optimal LWORK. LWORK (input) INTEGER The dimension of the array WORK. LWORK >= max(1,M+N+P). For optimum performance LWORK >= P+min(M,N)+max(M,N)*NB, where NB is an upper bound for the optimal blocksizes for SGEQRF, SGERQF, SORMQR and SORMRQ. If LWORK = -1, then a workspace query is assumed; the routine only calculates the optimal size of the WORK array, returns this value as the first entry of the WORK array, and no error message related to LWORK is issued by XERBLA. INFO (output) INTEGER = 0: successful exit. < 0: if INFO = -i, the i-th argument had an illegal value. LAPACK version 3.0 15 June 2000 SGGLSE(l)

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