Question

Condition number in terms of inner products for $A = I - uv^T$

score 227 · Answer 1 · 2018-09-08 13:39:56

227

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Condition number in terms of inner products for $A = I - uv^T$

Published on 08 Sep 2018 - 13:39

score 5.9k · Answer 2 · 2026-03-22 18:58:45

5.9k

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Finding the relative condition number given a function.

Published on 22 Mar 2026 - 18:58

score 955 · Answer 3 · 2026-03-22 18:54:29

955

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Condition number, well conditioned or ill condition

Published on 22 Mar 2026 - 18:54

score 836 · Answer 4 · 2026-03-22 09:03:22

836

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A lower bound for the condition number matrix

Published on 22 Mar 2026 - 9:03

score 148 · Answer 5 · 2018-09-29 06:13:53

148

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Prove that $k(A) \geq \rho(A)/\min |\lambda|$ and that $k(A) \geq \rho(A) \rho(A^{-1})$

Published on 29 Sep 2018 - 6:13

score 3.9k · Answer 6 · 2026-03-22 05:25:36

3.9k

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Computing the condition number of a matrix

Published on 22 Mar 2026 - 5:25

score 2.5k · Answer 7 · 2018-10-14 20:16:27

2.5k

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Suppose ||.|| is an induced matrix norm, A is non-singular, and B is singular. Prove $\frac{1}{\kappa(A)}\leq\frac{||A-B||}{||A||}$.

Published on 14 Oct 2018 - 20:16

score 428 · Answer 8 · 2026-03-22 00:08:17

428

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Condition of $\log(x)$ around $x =1$.

Published on 22 Mar 2026 - 0:08

score 1.3k · Answer 9 · 2018-10-20 04:20:24

1.3k

Views

What is the probability of getting at least 50 questions of 100 right?

Published on 20 Oct 2018 - 4:20

score 158 · Answer 10 · 2018-11-05 02:01:10

158

Views

Relative Condition Number of $f(x_1,x_2)=x_1/x_2$

Published on 05 Nov 2018 - 2:01

score 524 · Answer 11 · 2018-11-07 04:24:41

524

Views

Condition number on the DFT-like complex vandermonde matrix

Published on 07 Nov 2018 - 4:24

score 76 · Answer 12 · 2018-11-15 23:47:45

76

Views

Solving an apparently "simple" system of linear equations

Published on 15 Nov 2018 - 23:47

score 36 · Answer 13 · 2026-03-24 23:41:06

36

Views

Wavelets for preconditioning in MATLAB

Published on 24 Mar 2026 - 23:41

score 143 · Answer 14 · 2018-12-01 10:55:02

143

Views

Upper bound of the norm of a matrix difference using an absolutely converging geometric series and Neumann's theorem

Published on 01 Dec 2018 - 10:55

score 45 · Answer 15 · 2018-12-02 18:22:48

45

Views

what is the significance of $\kappa$ in the proof of inconditional stability of the Crank-Nicolson scheme

Published on 02 Dec 2018 - 18:22

List Question

Condition number in terms of inner products for $A = I - uv^T$

Finding the relative condition number given a function.

Condition number, well conditioned or ill condition

A lower bound for the condition number matrix

Prove that $k(A) \geq \rho(A)/\min |\lambda|$ and that $k(A) \geq \rho(A) \rho(A^{-1})$

Computing the condition number of a matrix

Suppose ||.|| is an induced matrix norm, A is non-singular, and B is singular. Prove $\frac{1}{\kappa(A)}\leq\frac{||A-B||}{||A||}$.

Condition of $\log(x)$ around $x =1$.

What is the probability of getting at least 50 questions of 100 right?

Relative Condition Number of $f(x_1,x_2)=x_1/x_2$

Condition number on the DFT-like complex vandermonde matrix

Solving an apparently "simple" system of linear equations

Wavelets for preconditioning in MATLAB

Upper bound of the norm of a matrix difference using an absolutely converging geometric series and Neumann's theorem

what is the significance of $\kappa$ in the proof of inconditional stability of the Crank-Nicolson scheme

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