Hottest Questions Today - Computational Science Stack Exchange

0 votes

0 answers

23 views

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Makogan

273

modified 12 hours ago

0 votes

0 answers

67 views

Guidelines for finding a preconditioner for a matrix that is "near" singular

Anton Menshov♦

8,702

modified 23 hours ago

-1 votes

1 answer

58 views

optimal gradient algorithm to determine best $α_k$

lightxbulb

2,267

modified 2 days ago

0 votes

0 answers

20 views

formula for the elliptical orbit of the magnetic field in a current carrying circular loop [closed]

user49758

1

asked yesterday

0 votes

1 answer

42 views

step-fixed algorithm first iterates

lightxbulb

2,267

modified 2 days ago

0 votes

1 answer

58 views

step-fixed algorithm to minimize f, which step to ensure convergence?

lightxbulb

2,267

modified 2 days ago

1 vote

1 answer

49 views

What are some good medium matrices with known eigenvectors?

Federico Poloni

11.8k

answered Jul 18 at 6:55

2 votes

1 answer

57 views

When does linear system have linearly growing singular values?

Wolfgang Bangerth

55.9k

answered 2 days ago

0 votes

0 answers

38 views

conjugate method for minimization of quadratic equations of dim n, upper bound for iterations is n?

V_head

15

asked Jul 17 at 18:58

0 votes

0 answers

40 views

What techniques are there to take averages and errors in a Monte Carlo simulation in C? Can my code be improved?

Auyk

1

asked Jul 17 at 16:59

0 votes

0 answers

33 views

Problems with High-Performance Computing and Stack Exchange Data Explorer. Any Advice? [closed]

Judy Watson

1

asked Jul 17 at 6:34

2 votes

2 answers

163 views

(Isoparametric) Mapping of physical coordinates to their equivalent parametric coordinates on a reference element

ConvexHull

1,478

modified Jul 16 at 12:12

0 votes

0 answers

43 views

Solve beam equation with elastic term using scipy solve_bvp

nicoguaro♦

8,582

modified Jul 16 at 18:19

0 votes

2 answers

75 views

Source for scalability challenge for number of finite element nodes per process

Jared Frazier

265

modified Jul 17 at 8:45

1 vote

0 answers

33 views

Understanding this code to truncate the SVD

KZ-Spectra

111

asked Jul 15 at 17:29

2 votes

1 answer

51 views

Good references for the P3/P1dc element

Wolfgang Bangerth

55.9k

answered Jul 17 at 3:06

3 votes

2 answers

155 views

Finding ALL Eingenvalues of a Sparse Integer Matrix

Neil Lindquist

880

modified Jul 12 at 0:33

2 votes

1 answer

156 views

How to add damped constraint force to constrained dynamics simulation?

Rigel

514

modified Jul 18 at 6:11

5 votes

1 answer

343 views

Time integration of first-order ODE with higher-order information

Bill Greene

6,229

answered Jul 8 at 19:40

0 votes

0 answers

46 views

1D FDTD simulation of plane wave propagation and the Courant stability condition

Jerry Y

1

asked Jul 12 at 22:54

9 votes

0 answers

166 views

What's the most computationally efficient implementation of Kalman Filter

CuriousMind

425

modified Jul 13 at 21:03

0 votes

0 answers

32 views

Fastest way to calculate the eigenvector with the largest eigenvalue for a 3*3 positive-definite matrix [duplicate]

Enigmatisms

101

asked Jul 12 at 7:13

0 votes

1 answer

38 views

Estimating the rate of convergence of Projected Gradient Descent on constrained polynomial objectives

ufghd34

23

modified Jul 11 at 0:45

3 votes

0 answers

45 views

Datasets for inverse heat transfer problems

Aner

181

asked Jul 10 at 10:14

1 vote

1 answer

49 views

Solving TOV equations that describes neutron stars in modified f(R, T) gravity

ReroDani

11

modified Jul 10 at 16:14

0 votes

0 answers

59 views

How to correctly discretize volume elements in different geometries?

HWIK

23

asked Jul 9 at 15:02

0 votes

0 answers

43 views

Rule-Based Link Prediction for Social Network [migrated]

Jay Gupta

1

modified Jul 11 at 1:39

1 vote

1 answer

130 views

Coupled Partial Differential Equations

ReroDani

11

modified Jul 9 at 13:17

2 votes

1 answer

278 views

Asking advice for implementation of Conservative Finite Difference Scheme for numerically solving Gross-Pitaevskii equation

sap7889

21

modified Jul 4 at 10:41

4 votes

1 answer

102 views

How can I efficiently find an anti-symmetric generator of a special orthogonal matrix?

Federico Poloni

11.8k

modified Jul 5 at 20:46

0 votes

1 answer

81 views

optimize this python code that involves matrix inversion

Oscar Smith

513

answered Jul 5 at 2:24

1 vote

1 answer

203 views

Boundary Conditions on the Inlet and Outlet in a Discontinuous Galerkin framework

ConvexHull

1,478

answered Jul 1 at 18:31

4 votes

3 answers

134 views

Is there any matlab built-in function or libraries to calculate $\frac{d(\ln A)}{dA}$?

jdgleeson

716

modified Jun 28 at 0:15

0 votes

1 answer

77 views

GMRES implementation does not converge for singular Hermitian problems

Olumide

317

modified Jul 4 at 23:24

5 votes

3 answers

190 views

Benchmark Neural Networks on High-Dimensional Functions

Paul G. Constantine

799

answered Jul 2 at 1:15

0 votes

0 answers

69 views

How can I get more accurate electric scalar potential in 2D closed box?

nicoguaro♦

8,582

modified Jul 5 at 15:15

3 votes

0 answers

118 views

Quantifying the ineﬃciency of Gauss–Hermite quadrature

Loik

31

modified Jul 2 at 18:08

1 vote

1 answer

86 views

How to run scipy.optimize.minimize with L-BFGS-B for maxiter (completely)

nicoguaro♦

8,582

answered Jun 28 at 17:32

1 vote

0 answers

73 views

Eigenvalue Problem with Pseudospectral Chebyshev Polynomials

Anton Menshov♦

8,702

modified Jun 29 at 19:06

0 votes

1 answer

106 views

Is the NLP formalism sub-optimal for real-world problems

nicoguaro♦

8,582

modified Jun 27 at 17:36

0 votes

0 answers

37 views

Split RAM asked between nodes and different partitions

Zoranis

1

asked Jul 1 at 13:59

0 votes

0 answers

36 views

Solving for expectation using iteration in a implicit function

Zuba Tupaki

55

asked Jul 1 at 8:40

5 votes

2 answers

155 views

Optimized Lanczos method for finding eigenvalues of $A \otimes B$

Mohammad. Reza. Moghtader

51

modified Jul 6 at 8:18

0 votes

0 answers

56 views

What is the best finite volume method for the following equation?

nicholaswogan

317

modified Jun 28 at 22:39

1 vote

1 answer

191 views

Solving linear system of equations with constraints on unknowns

Neuling

35

modified Jun 26 at 12:53

1 vote

0 answers

11 views

Guidelines for image detection model for statis sample

Romina Silvera

11

asked Jul 4 at 15:38

0 votes

0 answers

41 views

representing firing rates of a neuron using delta functions [computational neuroscience]

GunHui Moon

1

modified Jul 9 at 5:26

0 votes

0 answers

40 views

Advanced computing on FPGA

ayr

131

modified Jun 28 at 5:48

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