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Questions tagged [wolfram-mathematica]

Wolfram Mathematica is a computer algebra system and programming language from Wolfram Research. Mathematica has its own StackExchange site at http://mathematica.stackexchange.com/

21
votes
5answers
1k views

Benchmarks of various scientific programming languages for theoretical modelling

For a theoretical modelling course for biology students, I am trying to decide which would be the best technical programming language for doing evolutionary simulations in terms of elegance and ...
7
votes
1answer
477 views

Directed graph similarity calculation — optimizing Mathematica code

I am looking to optimize the following computation. First, some explanations: Explanation I have a directed graph whose adjacency matrix may only contain 1s and 0s. The similarity of nodes i and j ...
5
votes
3answers
392 views

Lists' intersection keeping elements' order

I could use the function Intersection, but it returns a sorted list. That's why I have to do my own, but it looks too big. I hope it could be done shorter. ...
5
votes
0answers
64 views

Simulation of a mechanical arm

The code that I am doing is to simulate a scenario where a mechanical arm search pieces closer and these pieces selected the mechanical arm leaves in a position defined closer. ...
4
votes
0answers
62 views

Butter side up?

I've written a piece of code that determines if a piece toast with butter lands on the butter-side or not, depending on its initial velocity and the table height. The code is written in Mathematica ...
4
votes
0answers
113 views

ECDSA for Mathematica

The code below contains functions related to ECDSA (Elliptic Curve Digital Signature Algorithm) with standard parameters secp256k1. The implementation is based on ...
4
votes
0answers
145 views

Super Resolution in the Wolfram Language, Attempt 2

This is a wolfram language program I wrote for super-resolution, in this case meaning to guess at how to increase the the resolution, and so detail shown in a raster image such as a photograph. It ...
3
votes
1answer
1k views

Fastest way to find all neighbours of a vertex in a graph

I'm looking for the fastest way to find all neighbours of a vertex in an undirected Graph. Please improve on the code if possible. ...
2
votes
1answer
247 views

List of integer factorization into n terms

I want the fastest way in Mathematica 7 to generate a list of the factors (not prime factors) of an integer into a specified number of terms, with each factor greater than one. For example, 240 into ...
2
votes
1answer
128 views

Two knot-removal function for curve and surface

Recently, I have been using the Wolfram LibraryLink wrapper. By that technique, I could call the function written in C from Wolfram Mathematica. Here are two C wrapper functions, ...
2
votes
1answer
1k views

Fill upper triangular matrix from a list

I am looking a good way to fill up the elements of a lower triangular matrix from a list. I currently have this: ...
2
votes
0answers
249 views

Super Resolution in the Wolfram Language

This is a wolfram language program I wrote for super-resolution, in this case meaning to guess at how to increase the the resolution, and so detail shown in a raster image such as a photograph. It ...