Questions tagged [combinatorics]
Combinatorics is a branch of mathematics concerning the study of finite or countable discrete structures.
501 questions
4 votes
1 answer
226 views
Use z3py to solve one logic constraint puzzle
I decided to practice by modeling some simple, hand-solvable problems using z3py. Below is an example: ...
- 43
0 votes
0 answers
15 views
Demonstration of the Power Contamination Problem on Grids Revisited in Mathematica
The implementation successfully demonstrates all key findings from the research paper arXiv:2509.12756, including the disproof of the original conjecture and the establishment of the correct formula ...
- 469
0 votes
0 answers
18 views
Mathematica implementation of Lempel method for constructing Costas arrays
I ported C++ implementation of Lempel method for constructing Costas arrays to Mathematica. How to fix my code? Thanks in advance. ...
- 469
4 votes
1 answer
192 views
The Permutations Algorithm using BubbleSort and stack in PicoBlaze assembly language - attempt #2
So, this is improved code from my previous attempt to implement the permutations algorithm in PicoBlaze assembly language. You can see it live here: ...
- 679
2 votes
1 answer
194 views
Java program for calculating probabilities of die combinations in Yatzy
Yatzy Yatzy is a dice rolling game where players aim to get particular die combinations. This program counts probability of each such combinations. They are: All five ones, All five twos, Same for ...
- 32.2k
3 votes
1 answer
102 views
<Programming in Lua - 4th> exercise 2.2 - place 8 queens
About exercise 2.2 Place N queens on N*N board, 1 queen per line, so that all queens are safe. Use permutation to improve the provided implementation from book. The ...
- 151
3 votes
2 answers
235 views
Find the join of two set partitions
Two partitions of a set have a greatest lower bound (meet) and a least upper bound (join). See here: Meets and joins in the lattice of partitions (Math SE) The meet is easy to calculate. I am trying ...
- 230
4 votes
1 answer
149 views
Repetition-Limited Multiset Coefficient function
This is a simple multiset coefficient calculator in python, that will calculate both standard multiset coefficients, as well as multiset coefficients with repetition limits, used initially as part of ...
