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Questions tagged [software-recommendation]

Use this tag when seeking recommendations for libraries/programs to solve a particular type of problem. Be sure to include sufficient detail in your question about the specifications you need and to include other tags that clearly identify the type of problem.

0 votes
0 answers
30 views

Covariant Euler-Lagrange Computation - Mathematica

Does anybody know of a software (or software package) that can solve the Euler-Lagrange equations for a manifestly-covariant field Lagrangian density? Mathematica has a "Variational Methods" ...
Dirac's Cat's user avatar
1 vote
1 answer
193 views

Simple, easy to install and use Python FEM solver (and example) for 2D cylindrical Laplace equation

In my earlier question Interpolating the gradient of a cylindrically symmetric potential field expected obey the Laplace equation, especially near/across r=0 I give a simple example of a Jacobi ...
uhoh's user avatar
  • 1,058
1 vote
1 answer
134 views

c++ software packages to solve linear systems subject to constraints

I have a finite element project based on deal.II and cmake/make as build system. I am aware of popular libraries such as deal.II, trilinos, petsc, mumps, superlu_dist,... to solve large sparse linear ...
Simon's user avatar
  • 185
1 vote
0 answers
84 views

Seeking open-source PDE Solver for inhomogeneous material properties

I'm currently in search of an open-source PDE solver (Finite Element Method is preferred) that can effectively handle the challenge of material properties coefficients associated with each element in ...
Sadjad Abedi's user avatar
0 votes
1 answer
140 views

AMR-Capable meshing software that is not based on quad/octrees

I am looking for AMR/re-meshing software (structured grids would suffice) that is NOT based on quad-octrees, i.e., a fixed refinement rate of 2 but (ideally) something user defined, i.e., ratios of 1....
Dan Doe's user avatar
  • 1,093
3 votes
1 answer
513 views

Good IDE for GNU Octave?

Are there any good IDEs for working with Octave code? I'm used to type hints and documentation preview from software like IntelliJ or VS Code. While there are syntax highlighting plugins for VSC, all ...
Vincent Guttmann's user avatar
1 vote
0 answers
87 views

(Algorithmic) Differentiation capable Finite Volume Software: Generation Jacobian

I am looking for Finite Volume Software that employs a method-of-lines like approach by constructing from the hyperbolic PDE of form $$\partial_t \boldsymbol u(t,\boldsymbol x) + \nabla \cdot \...
Dan Doe's user avatar
  • 1,093
2 votes
0 answers
51 views

Software for Smith form or Hermite form of a sparse polynomial matrix

In a current research project, I have a number of matrices with coefficients in ℚ[𝑥] for which I want to understand how their rank depends on the value of the parameter 𝑥. These matrices are: ...
Vladimir Dotsenko's user avatar
2 votes
0 answers
67 views

Sparse generalized symmetric eigensystem solver

Can anyone recommend a good software for solving generalized symmetric eigenvalue problems of the form, $$ A x = \lambda B x $$ where $A,B$ are symmetric and sparse, and $B$ is positive definite? I ...
vibe's user avatar
  • 1,058
5 votes
1 answer
94 views

Software for Feasibility Problems

I face a feasibility problem of type $$ c_i(\boldsymbol x) \leq 0, i = 1, \dots, \mathcal{I} \\ c_e(\boldsymbol x) = 0, e = 1, \dots, \mathcal{E} $$ where $\mathcal{I} + \mathcal{E} \gg \text{dim}(\...
Dan Doe's user avatar
  • 1,093
0 votes
0 answers
102 views

Advance a Interpolation

Note; No special knowledge of Pykrige is needed to answer the question, as I already mention examples in the question! Hi I would like to use Universal Kriging in my code. For this I have data that ...
Weiss's user avatar
  • 1
1 vote
2 answers
263 views

Simulate Jump-Diffusion $dX_t = \mu(X_t)dt + \sigma(X_t)dW(t) + \int_{\{|c| <1 \}}g(X_t,c)\tilde{N}(dt,dc) + \int_{\{|c| \ge 1 \}}h(X_t,c)N(dt,dc)$

I would like to be able to model an SDE having the form $$dX_t = \mu(X_t)dt + \sigma(X_t)dW(t) + \int_{\{|c| <1 \}}g(X_t,c)\tilde{N}(dt,dc) + \int_{\{|c| \ge 1 \}}h(X_t,c)N(dt,dc).$$ where $W$ is a ...
oliverjones's user avatar
2 votes
0 answers
53 views

Looking for a library for solving convex-convex quadratic fractional programming problems

Is there a library of some programming language (MatLab, C, Python, R, etc.) that includes a function for efficient calculation of convex-convex quadratic fractional programming problems of the form $$...
Evan Aad's user avatar
  • 121
2 votes
0 answers
97 views

A JAVA solver for ODEs with boundary conditions (BVP)

I need to solve a system of linear first order ODEs with boundary conditions in JAVA. I was wondering if any of you know of a JAVA package with the capability of solving a boundary value problems? (i....
bluesky's user avatar
  • 21
4 votes
0 answers
221 views

High quality constrained optimization C++ library with matrix free second order solver?

I'm working with large scale constrained optimization problem. Some of my constraints can be non linear. Currently i'm using IPOPT. Quality is good by my Hessian computation too slow. It seems that i ...
Daiver's user avatar
  • 225

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