User origimbo

17 votes

What does "symplectic" mean in reference to numerical integrators, and does SciPy's odeint use them?

answered Mar 26, 2018 at 15:17

9 votes

Accepted

C standard for computational science

answered Jan 15, 2019 at 16:00

6 votes

Accepted

The difference between mkl_intel_lp64 vs mkl_gf_lp64 in a numerical reproducibility issue with Intel MKL

answered Aug 25, 2017 at 11:54

6 votes

Complexity of matrix inversion in numpy

answered Feb 11, 2016 at 18:41

6 votes

Accepted

Von Neumann stability analysis with a constant term

answered May 10, 2017 at 17:01

6 votes

Accepted

What method of Finite difference is this?

answered Jun 4, 2019 at 10:32

5 votes

Accepted

At which stage to interpolate?

answered Feb 20, 2021 at 2:24

5 votes

Is it necessary to invert precondition matrix for iterative solver?

answered May 12, 2017 at 16:26

5 votes

Accepted

Can Runga-Kutta method be used to solve non-linear differential equations?

answered Mar 7, 2017 at 11:31

5 votes

Accepted

implementing higher order derivatives for finite element

answered Oct 14, 2016 at 11:03

5 votes

Accepted

derivative of an array

answered Oct 21, 2016 at 18:15

5 votes

I am searching for a C++ code implementing the complex polygamma function

answered Feb 23, 2016 at 17:04

5 votes

Accepted

Resources on mesh generation for finite element methods

answered Dec 5, 2017 at 17:21

5 votes

Accepted

Euler Method Instability. Why?

answered Sep 27, 2018 at 14:39

4 votes

Accepted

Does the PDE hold at every cell in a FVM mesh?

answered Apr 10, 2018 at 21:12

4 votes

Analytical testing/quality control for scientific software in professional setting

answered Jul 18, 2018 at 18:16

4 votes

Is there Von Neumann stability analysis for 9-point laplacian like we have for the 5-point Laplacian?

answered Jul 25, 2018 at 10:21

4 votes

Why there are people that still prefer fortran 77 over new versions?

answered Dec 8, 2017 at 0:03

4 votes

Why naively chopped finite difference matrix works for different ODE boundary conditions

answered Jan 11, 2018 at 13:30

4 votes

Accepted

what is the meaning of mesh smoothing steps in Gmsh?

answered Feb 24, 2016 at 17:57

4 votes

Accepted

Addition and subtraction of two floats in Python

answered Feb 26, 2016 at 0:39

4 votes

Accepted

Differentiation Matrix In DG-FEM - Hesthaven/Warburton

answered Jul 5, 2019 at 12:46

4 votes

How to obtain linear tridiagonal system from PDE

answered Apr 18, 2019 at 11:30

4 votes

Accepted

Definition of Lagrange nodes in Gmsh

answered May 9, 2019 at 15:01

4 votes

Applying Neumann boundaries to Crank-Nicolson solution in python

answered Mar 24, 2018 at 18:49

3 votes

Accepted

Node re-numbering in 1D mesh GMSH

answered Feb 15, 2019 at 13:01

3 votes

How to assemble global matrix (for a coupled) problem?

answered Feb 18, 2016 at 15:28

3 votes

$LU$ factorization routine to solve system $Lv = f$ and $Uv = f$

answered Feb 22, 2016 at 2:48

3 votes

Accepted

How to find $L^2$ error for discontinuous Galerkin method

answered Apr 1, 2016 at 11:23

3 votes

Accepted

Finite-volume method applied to a particular advection equation

answered Feb 9, 2018 at 17:58

Stack Exchange Network

50 Answers

What does "symplectic" mean in reference to numerical integrators, and does SciPy's odeint use them?

C standard for computational science

The difference between mkl_intel_lp64 vs mkl_gf_lp64 in a numerical reproducibility issue with Intel MKL

Complexity of matrix inversion in numpy

Von Neumann stability analysis with a constant term

What method of Finite difference is this?

At which stage to interpolate?

Is it necessary to invert precondition matrix for iterative solver?

Can Runga-Kutta method be used to solve non-linear differential equations?

implementing higher order derivatives for finite element

derivative of an array

I am searching for a C++ code implementing the complex polygamma function

Resources on mesh generation for finite element methods

Euler Method Instability. Why?

Does the PDE hold at every cell in a FVM mesh?

Analytical testing/quality control for scientific software in professional setting

Is there Von Neumann stability analysis for 9-point laplacian like we have for the 5-point Laplacian?

Why there are people that still prefer fortran 77 over new versions?

Why naively chopped finite difference matrix works for different ODE boundary conditions

what is the meaning of mesh smoothing steps in Gmsh?

Addition and subtraction of two floats in Python

Differentiation Matrix In DG-FEM - Hesthaven/Warburton

How to obtain linear tridiagonal system from PDE

Definition of Lagrange nodes in Gmsh

Applying Neumann boundaries to Crank-Nicolson solution in python

Node re-numbering in 1D mesh GMSH

How to assemble global matrix (for a coupled) problem?

$LU$ factorization routine to solve system $Lv = f$ and $Uv = f$

How to find $L^2$ error for discontinuous Galerkin method

Finite-volume method applied to a particular advection equation