Tagged Questions
6
votes
2answers
135 views
Find all permutations with a condition
How can I find all the permutations of {a, b, c} where a + b + c = n?
For instance: if ...
7
votes
1answer
194 views
Mathematica function/package for shuffle permutations
Does anyone knows a way to compute a list of all (p,q)-shuffles in mathematica?
For a definition of the shuffle permutations see for example http://ncatlab.org/nlab/show/shuffle
I'm dreaming of a ...
7
votes
1answer
480 views
How to apply a permutation to a symmetric square matrix?
Given a symmetric square matrix, how can I apply a permutation to the rows and columns (i.e. the same permutation to both the rows and the columns) such a way that the new structure of the matrix ...
