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(parent: 0dbca90) | patch
Now using 2-norm to compute vector norms of row and column for balancing algorithm.
authorjames <james@8a072113-8704-0410-8d35-dd094bca7971>
Thu, 16 May 2013 18:55:48 +0000 (18:55 +0000)
committerjames <james@8a072113-8704-0410-8d35-dd094bca7971>
Thu, 16 May 2013 18:55:48 +0000 (18:55 +0000)
commit78de161a101e23236d6804b7e7f9ba66845d9586
treeaeb29d27f46e3727620cddb723b9e6b9ddc07ba6tree | snapshot
parent0dbca9069031ea055e3c54fcb72087fe48a290abcommit | diff
Now using 2-norm to compute vector norms of row and column for balancing algorithm.
This seems to fix problems with balancing causing very large backward error for certain
Hessenberg matrices, including the often cited example of Watkins.
SRC/cgebal.f diff | blob | history
SRC/dgebal.f diff | blob | history
SRC/sgebal.f diff | blob | history
SRC/zgebal.f diff | blob | history
Domain: System / Base;