Computational Science Stack Exchange is a question and answer site for scientists using computers to solve scientific problems. It only takes a minute to sign up.

Sign up to join this community
Anybody can ask a question
Anybody can answer
The best answers are voted up and rise to the top

Top Questions

7 votes
1 answer
338 views

Computing powers of diagonal + rank-1 matrix?

4 votes
2 answers
213 views

Chebyshev/Lagrange polynomials in spectral methods

2 votes
1 answer
193 views

Motion of the particle trapped in potential

4 votes
2 answers
215 views

Faster than forward substitution?

0 votes
1 answer
81 views

Time and memory required to diagonalize a 18000 by 18000 matrix using numpy in python

1 vote
2 answers
116 views

C^1 continuous element for a triangle?

6 votes
1 answer
172 views

How to optimize an approximated matrix multiplication?

3 votes
1 answer
102 views

How to compute numerically the $H^{1/2}$ norm of a function

3 votes
2 answers
137 views

Non-conservative advective term in a finite volume scheme

0 votes
1 answer
200 views

What are the benefits of cutting by half the number of multiplications needed to calculate n?

1 vote
1 answer
145 views

Storing Raw Simulation Data or Truncated Data?

0 votes
2 answers
111 views

Why is this scipy.root code not converging?

0 votes
1 answer
55 views

How to design a sin and an arcsin function such that arcsin(sin(x))=x, where x is a finite precision floating point number

1 vote
1 answer
106 views

Do Explicit Methods Always Require an Analytical Solution

3 votes
1 answer
82 views

Rank-1 correction of matrix exponential

4 votes
1 answer
86 views

Estimating forces on a model from the displacements of nodes

0 votes
1 answer
79 views

Solving $\sum_i^d a_i \exp(-q_i k)=b_0$ for $k$

1 vote
1 answer
78 views

Powers of convergent DPR1 matrices in $O(d)$ time?

1 vote
1 answer
76 views

Velocity Verlet leading to faster simulation than Euler in an n-Body simulation?

0 votes
1 answer
98 views

Solve 1st order ODE in using `scipy`

0 votes
1 answer
45 views

On solving a first order nonlinear differential equation

0 votes
1 answer
72 views

FreeFEM++ converting equation into code

0 votes
1 answer
82 views

Is FDTD A Method for Simulating Quantum Field Theory for Photons?

2 votes
0 answers
105 views

Form of nonlinear diffusion equation

0 votes
1 answer
48 views

Finding best phase in least-squares manner

1 vote
2 answers
79 views

Solving 2D Poisson equation with nonhomogeneous boundary conditions (Dirichlet) and a source

4 votes
1 answer
79 views

Suggestions for libraries that can numerically compute geodesics from a given Riemannian metric?

1 vote
0 answers
100 views

Which dense matrices are hard to invert?

2 votes
1 answer
75 views

Need help to fully understand SciPy's odeint's reported step sizes, eval times, # of funct calls & total proc. time (re. question in Astronomy SE)

2 votes
1 answer
72 views

Differential Equation with Forced Behavior

3 votes
0 answers
89 views

A way to solve nonsmooth stiff ODEs

0 votes
0 answers
87 views

Pyton get fem solving simple 2D differential equation?

-2 votes
0 answers
85 views

Numerically solving for eigenvalues of Schrödinger equation in python [closed]

2 votes
0 answers
85 views

Schur complement formulation of linear system

0 votes
1 answer
48 views

Finite difference approximation error

2 votes
1 answer
78 views

Good IDE for GNU Octave?

3 votes
0 answers
77 views

Are there better methods than Levenberg-Marquardt for large-scale nonlinear least squares problems?

1 vote
1 answer
53 views

Solving a boundary value problem with variable number of coupled equations

1 vote
0 answers
67 views

Strategies to solve an equation with a polynomial and a numeric function

3 votes
0 answers
67 views

Is there any book about fundamental FEM theory using similar terminology as Comsol MultiPhysics?

0 votes
1 answer
51 views

How do I use pdepe for a first order parabolic PDE with only one boundary condition?

1 vote
0 answers
65 views

Interface condition for 1D Helmholtz equation using finite element method

2 votes
0 answers
63 views

Scipy.root not converging even when provided with initial guesses very close to solution

3 votes
0 answers
62 views

Approximating eigenvalues of DPR1 matrix with special properties

1 vote
0 answers
62 views

Convolution/weighted average of two arrays in Python

0 votes
0 answers
58 views

Numerical integration library interfacing with eigen

2 votes
0 answers
54 views

Symplectic (or alike) integrator for system with Coulomb singularity and time-dependent potentials

2 votes
0 answers
54 views

Poisson equation solution in a semiconductor structure


Looking for more? Browse the complete list of questions, or popular tags. Help us answer unanswered questions.