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Results tagged with condition-number
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user 1502
For questions about calculating or interpreting condition numbers. Most commonly refers to the condition number of a matrix, but can be applied generally to analyzing the error in a function based on error in the input.
15
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Is there any way to do "double preconditioning"
Question:
Suppose that you have two different (factored) preconditioners for a symmetric positive definite matrix $A$:
$$A \approx B^TB$$
and
$$A \approx C^TC,$$
where the inverses of the factors $B, …
- 3,225