Combinatorics Packages

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Calculate Schroeder numbers

Generate an array of random number ranges. Useful for creating test fixtures or benchmarking samples.

Doing something

Generate the sequence of swaps to produce all permutations of a set

Catalan's constant.

Calculate Catalan numbers

generates all possible subsets with size k from given array

Creates function generators that can create every combination of items. also unique combinations

Calculate Narayana numbers

Computes a factorial.

combinatorics routines

Applied combinatorics library in Typescript

Combinatorics.js is a standalone math library for Javascript and Node.js. It features a solution to work with Permutations, Posets, Trees, and other enumerative collections.

Utility functions to help with combining items.

Catalan's constant.

Calculate Delannoy numbers

An implementation of the Johnson-Trotter permutation algorithm.

Helper methods for stats, combinatorics, permutations, probabilities and matricies

Removes all spaces from a string