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3 votes
4 answers
250 views

Working with tables: add new level of nested tables

I am trying to obtain all possible combinations of elements in a (long) list factors = {A, B, C}; getCombinations[factors,n] For n = 3 factors, it should give <...
Albercoc's user avatar
  • 998
5 votes
1 answer
491 views

Generating a list of integers that sums to zero

Given a pair of integers n and k, I want to generate all lists of integers of length n, ...
user366202's user avatar
4 votes
3 answers
554 views

How do I get a list of all possible sums in a list nested list?

Lets say I have the following input: rn={ {1, 1.1, 1.5}, {5, 6, 6.1, 7}, {8, 8, 12, 12, 12.5, 13} } This input has the dimensions of ...
Robjobbob's user avatar
  • 361
2 votes
2 answers
136 views

Generating a list of tuples that meet certain criteria without running out of memory

I would like to generate tuples of length 21 with possible elements 1, 2, and 3. I would also like there to be an equal number of 1's, 2's, and 3's, and I want to control for how many times one ...
kangaroo's user avatar