Combinatorics Python Packages

thewalrus

A library for the calculation of hafnians, Hermite polynomials and Gaussian boson sampling.

icepool

Python dice probability package.

dress-graph

DRESS: A Continuous Framework for Structural Graph Refinement

cfspy

Chen-Fliess series computation

catkit

General purpose tools for high-throughput catalysis.

permutations

Python library for instantiating and working with permutation collections that provide efficient implementations of all sequence methods (including random-access retrieval by index).

trotter

A Python library for working with structures that commonly come up in combinatorics, such as permutations, combinations and subsets.

stoichiograph

Spell words with elemental symbols from the periodic table ("He", "Cu", etc).

boofun

A Python library for Boolean function analysis and spectral methods

tspy

An optimization package for the traveling salesman problem

sage-acsv

A SageMath package with algorithms for analytic combinatorics in several variables.

matroid-database

Python interface to matroid database

generalcartesianproduct

Implementation of the general cartesian product, allowing to generate sequences based on variable limits

plabic

Cluster algebraic/geometric structures related to plabic graphs

bisc-algorithm

Implementation of the BiSC pattern discovery algorithm for permutations

reedmuller

Reed-Muller encoding and decoding

exhaust

🌌 Exhaustively enumerate a combinatorial space

kombin-algo-pranavpatel-ca

A library for bijectively mapping all ordered pairs from two finite sets A and B into a single linear index. KombiN orders pairs by ascending weight (sum of indices) using a three-region zig-zag algorithm, enabling O(1) bidirectional lookups.

sinterbot

A command line program for managing secret santa assignments via email.

ccc-calculator

Calculate the probability of drawing specific combinations of items

combstruct2json

Lightweight library to parse combstruct grammars, and standalone tool to convert them to JSON.

wwu

Python library that finds the optimal orientation for storing a box in a given space — maximising how many fit.which way up to store your boxes

reluctant-walks

Python/Sage package to study and sample reluctant random walks in the positive quadrant.

pysyt

Standard Young tableaux