Question

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

score 230 · Answer 1 · 2026-04-14 00:45:29

230

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

Published on 14 Apr 2026 - 0:45

score 5.9k · Answer 2 · 2026-03-25 02:03:00

5.9k

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Finding the relative condition number given a function.

Published on 25 Mar 2026 - 2:03

score 956 · Answer 3 · 2026-03-25 02:02:57

956

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Condition number, well conditioned or ill condition

Published on 25 Mar 2026 - 2:02

score 837 · Answer 4 · 2026-03-25 02:02:56

837

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A lower bound for the condition number matrix

Published on 25 Mar 2026 - 2:02

score 151 · Answer 5 · 2026-05-04 06:23:31

151

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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 04 May 2026 - 6:23

score 3.9k · Answer 6 · 2026-05-05 07:31:16

3.9k

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Computing the condition number of a matrix

Published on 05 May 2026 - 7:31

score 2.5k · Answer 7 · 2026-03-25 02:03:04

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 25 Mar 2026 - 2:03

score 430 · Answer 8 · 2026-04-05 20:12:19

430

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

Published on 05 Apr 2026 - 20:12

score 1.3k · Answer 9 · 2026-03-25 02:03:04

1.3k

Views

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

Published on 25 Mar 2026 - 2:03

score 159 · Answer 10 · 2026-03-25 02:03:04

159

Views

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

Published on 25 Mar 2026 - 2:03

score 525 · Answer 11 · 2026-03-25 02:02:54

525

Views

Condition number on the DFT-like complex vandermonde matrix

Published on 25 Mar 2026 - 2:02

score 77 · Answer 12 · 2026-03-25 02:02:55

77

Views

Solving an apparently "simple" system of linear equations

Published on 25 Mar 2026 - 2:02

score 38 · Answer 13 · 2026-05-10 13:45:00

38

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Wavelets for preconditioning in MATLAB

Published on 10 May 2026 - 13:45

score 145 · Answer 14 · 2026-05-06 01:39:39

145

Views

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

Published on 06 May 2026 - 1:39

score 46 · Answer 15 · 2026-03-25 02:03:03

46

Views

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

Published on 25 Mar 2026 - 2:03

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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