Question

Weighted-Jacobi method

score 556 · Answer 1 · 2026-04-11 15:05:11

556

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Weighted-Jacobi method

Published on 11 Apr 2026 - 15:05

score 390 · Answer 2 · 2026-04-13 14:05:50

390

Views

Which matrices to use in Given's rotation in QR decomposition

Published on 13 Apr 2026 - 14:05

score 239 · Answer 3 · 2026-04-16 11:07:56

239

Views

Fitting points to curve $g(t) = \frac{100}{1+\alpha e^{-\beta t}}$ by thinking about projections and inner products

Published on 16 Apr 2026 - 11:07

score 714 · Answer 4 · 2026-04-14 05:47:37

714

Views

Why do we need approximation methods when we have algorithms to find exact roots?

Published on 14 Apr 2026 - 5:47

score 784 · Answer 5 · 2026-04-12 16:29:53

784

Views

How to do Given's rotation for $3×2$ matrix? (QR decomposition)

Published on 12 Apr 2026 - 16:29

score 11.6k · Answer 6 · 2026-04-12 00:01:14

11.6k

Views

What does QR decomposition have to do with least squares method?

Published on 12 Apr 2026 - 0:01

score 2.5k · Answer 7 · 2026-04-14 00:09:58

2.5k

Views

Solving overdetermined system by QR decomposition

Published on 14 Apr 2026 - 0:09

score 1.9k · Answer 8 · 2026-04-13 20:45:24

1.9k

Views

On diagonal dominant matrices don't need row changes, no row change is needed for Gaussian Elimination

Published on 13 Apr 2026 - 20:45

score 75 · Answer 9 · 2026-04-17 10:05:52

75

Views

Approximate $f(x) = x^{1/3}$ by $p(x)$ of degree $\le 2$ that minimizes the error $E = (f(-1)-p(-1))^2 + \int_{-1}^1 (f(x)-p(x))^2 dx + (f(1)-p(1))^2$

Published on 17 Apr 2026 - 10:05

score 82 · Answer 10 · 2026-04-14 16:08:31

82

Views

increasing the rank of a matrix with rank-1 updates

Published on 14 Apr 2026 - 16:08

score 61 · Answer 11 · 2026-04-16 10:54:06

61

Views

Transform $A = \begin{bmatrix} 1 & 1 & 1 \\ 1 & -1 & 1\\ 1 & 1 & -1 \end{bmatrix}$ into a superior triangular matrix by left multiplication

Published on 16 Apr 2026 - 10:54

score 443 · Answer 12 · 2026-05-11 02:17:40

443

Views

Compute matrix norm induced by weight l1 vector norm

Published on 11 May 2026 - 2:17

score 100 · Answer 13 · 2026-04-14 04:37:53

100

Views

Book about interpolation of functions by polynomials using linear algebra/projection

Published on 14 Apr 2026 - 4:37

score 510 · Answer 14 · 2026-04-16 19:11:25

510

Views

Showing $Q_n = \frac{T_n(x)}{2^{n-1}}$ is the monic polynomial of least norm

Published on 16 Apr 2026 - 19:11

score 657 · Answer 15 · 2026-04-10 15:28:58

657

Views

Solve dynamic system using Euler method

Published on 10 Apr 2026 - 15:28

List Question

Weighted-Jacobi method

Which matrices to use in Given's rotation in QR decomposition

Fitting points to curve $g(t) = \frac{100}{1+\alpha e^{-\beta t}}$ by thinking about projections and inner products

Why do we need approximation methods when we have algorithms to find exact roots?

How to do Given's rotation for $3×2$ matrix? (QR decomposition)

What does QR decomposition have to do with least squares method?

Solving overdetermined system by QR decomposition

On diagonal dominant matrices don't need row changes, no row change is needed for Gaussian Elimination

Approximate $f(x) = x^{1/3}$ by $p(x)$ of degree $\le 2$ that minimizes the error $E = (f(-1)-p(-1))^2 + \int_{-1}^1 (f(x)-p(x))^2 dx + (f(1)-p(1))^2$

increasing the rank of a matrix with rank-1 updates

Transform $A = \begin{bmatrix} 1 & 1 & 1 \\ 1 & -1 & 1\\ 1 & 1 & -1 \end{bmatrix}$ into a superior triangular matrix by left multiplication

Compute matrix norm induced by weight l1 vector norm

Book about interpolation of functions by polynomials using linear algebra/projection

Showing $Q_n = \frac{T_n(x)}{2^{n-1}}$ is the monic polynomial of least norm

Solve dynamic system using Euler method

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