Computational Science

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how to Implement linear tetrahedral elements for finite element computations?
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Clever ways to update LU factorization for ridge regression [duplicate]
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Hack for using hardware to take square roots of 128 bit numbers
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Help understanding Brent's root finding method
Awarded Oct 23 at 12:06
Sum of random variables - Check your derived distribution against a numerical calculation/histogram
Awarded Oct 20 at 17:48
Calculating Error for Poisson Equation using Successive Over-Relaxation technique, Python
Awarded Oct 20 at 13:10
Determining the voxels between two boundary surfaces
Awarded Oct 17 at 10:52
How to use FEniCS to calculate the electric field of an isolated charged sphere
Awarded Oct 16 at 15:18
Dolfin convert : How to interpolate data at vertices of (3D) cells?
Awarded Oct 16 at 13:52
Is `#define INT_MIN 0x80000000` okay?
Awarded Oct 11 at 15:27
Numerical integration problem: IntegrationWarning The integral is probably divergent, or slowly convergent
Awarded Oct 10 at 1:20
Numerical computation of Lyapunov exponent
Awarded Sep 28 at 17:25
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Awarded Sep 28 at 17:11
Remez algorithm convergence
Awarded Sep 28 at 9:55
Jacobi iterative method
Awarded Sep 28 at 4:27
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Awarded Sep 27 at 7:21
Which library to use in C++ for fast DCT's?
Awarded Sep 26 at 18:17
Numerical Issues with DDE from SEIRU$\delta$ model
Awarded Sep 25 at 11:36
FEM solution becoming wider as number of nodes increase
Awarded Sep 25 at 3:42
Accuracy of Explicit Euler method (finite difference) decreases as Δx decreases, shouldn't it increase?
Awarded Sep 24 at 13:57
How can I avoid catastrophic cancellation?
Awarded Sep 23 at 23:20
Coding up a toy model for gradient-descent — what step size to choose?
Awarded Sep 23 at 17:48
If analytically, a function is not differentiable at a point, does it make sense to write a finite difference code for the function at that point?
Awarded Sep 23 at 4:42
How can I avoid catastrophic cancellation?
Awarded Sep 22 at 20:27
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Awarded Sep 22 at 13:55
How can I avoid catastrophic cancellation?
Awarded Sep 22 at 8:16
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Awarded Sep 21 at 4:17
FEM does not match exact solution
Awarded Sep 20 at 17:21
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Awarded Sep 20 at 7:07
1D FEM for nonlinear diffusion coefficient
Awarded Sep 17 at 20:56
Petsc Mat object in class
Awarded Sep 17 at 13:55
Hi I am trying to model a 2D Lug angle using Gmsh 4.6. How can I combine transfinite quad and regular full quad meshes in the following geo file?
Awarded Sep 17 at 5:25
How to solve for underlying function from discrete data set containing integral of that function
Awarded Sep 16 at 0:07
How to make fuzzy rules?
Awarded Sep 15 at 6:26
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Awarded Sep 15 at 5:50
3D laplacian operator
Awarded Sep 14 at 14:34
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Awarded Sep 13 at 21:49
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Awarded Sep 12 at 8:08
numerical solution to pde on an ellipse
Awarded Sep 10 at 12:49
Global stiffness matrix from element stiffness matrices for a thin rectangular plate (Kirchhoff plate)
Awarded Sep 10 at 7:34
Find quadrature points and weights
Awarded Sep 9 at 15:32
Global stiffness matrix from element stiffness matrices for a thin rectangular plate (Kirchhoff plate)
Awarded Sep 9 at 13:57
Interpreting multivariable root-finding results from Matlab's fsolve algorithm
Awarded Sep 7 at 5:07
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Awarded Aug 31 at 2:36
Writing a Matlab function after calling the ode45 solver
Awarded Aug 30 at 5:18
Problems with simulation of a spatial filter 4f setup (Python)
Awarded Aug 29 at 16:18
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Awarded Aug 29 at 1:45
Which class does this NP problem belong to?
Awarded Aug 28 at 23:25
More efficient way to calculate magnetic field using Biot-Savart
Awarded Aug 27 at 23:16
Inverse problem in linear ODE
Awarded Aug 26 at 18:06
Finite-difference software for solving custom equations
Awarded Aug 26 at 0:27
How to use the Thomas-Algorithm to the Heat-diffusion-equation correctly
Awarded Aug 19 at 18:04
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Awarded Aug 19 at 12:15
How to use numerical integration to calculate the surface area of a superellipsoid?
Awarded Aug 19 at 0:42
N-dimensional optimization of moments of distribution function
Awarded Aug 17 at 6:33
Understanding STRUCTURED_POINTS dataset in VTK
Awarded Aug 12 at 21:12
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Awarded Aug 12 at 14:02
1-D Conduction Steady state heat transfer using FD
Awarded Aug 11 at 11:48
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Awarded Aug 10 at 4:55
Solving the heat diffusion equation with source term
Awarded Aug 9 at 13:02
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