diff options
author | julie <julielangou@users.noreply.github.com> | 2011-11-01 22:02:31 +0000 |
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committer | julie <julielangou@users.noreply.github.com> | 2011-11-01 22:02:31 +0000 |
commit | d5c30c90bdecf38da1064e2ed52583634573e741 (patch) | |
tree | 480fc5ff31ee14b83116b6428aad79ea6e89362d /SRC/zlaqsb.f | |
parent | 04670a68760fa27333f8bcef8172f71adc6880ef (diff) |
Never say never...
Diffstat (limited to 'SRC/zlaqsb.f')
-rw-r--r-- | SRC/zlaqsb.f | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/SRC/zlaqsb.f b/SRC/zlaqsb.f index 7f647116..81029b8f 100644 --- a/SRC/zlaqsb.f +++ b/SRC/zlaqsb.f @@ -75,8 +75,7 @@ *> as follows: *> if UPLO = 'U', AB(kd+1+i-j,j) = A(i,j) for max(1,j-kd)<=i<=j; *> if UPLO = 'L', AB(1+i-j,j) = A(i,j) for j<=i<=min(n,j+kd). -*> \endverbatim -*> \verbatim +*> *> On exit, if INFO = 0, the triangular factor U or L from the *> Cholesky factorization A = U**H *U or A = L*L**H of the band *> matrix A, in the same storage format as A. @@ -113,17 +112,14 @@ *> = 'N': No equilibration. *> = 'Y': Equilibration was done, i.e., A has been replaced by *> diag(S) * A * diag(S). -*> \endverbatim -*> \verbatim +*> *> Internal Parameters *> =================== -*> \endverbatim -*> \verbatim +*> *> THRESH is a threshold value used to decide if scaling should be done *> based on the ratio of the scaling factors. If SCOND < THRESH, *> scaling is done. -*> \endverbatim -*> \verbatim +*> *> LARGE and SMALL are threshold values used to decide if scaling should *> be done based on the absolute size of the largest matrix element. *> If AMAX > LARGE or AMAX < SMALL, scaling is done. |