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Generate array of fixed length combinations incrementing by n (Javascript Permutation)

I'm researching permutations and combinations and attempting to generate an array of sub arrays which have a fixed length and increment to every possible combination using Javascript.

For example:

arrayMaxLength = 4
incrementToMax = 2
incremental = 0.25

Generate:

[0,0,0,0], [0.25,0,0,0], [0.25,0.25,0,0], ..., [2,2,2,1.25], [2,2,2,1.50], [2,2,2,1.75], [2,2,2,2] ]

I've tried using the "heap data structure" (https://www.geeksforgeeks.org/heap-data-structure/) but I've not been able to generate repeating numbers like 1,1,1,1 with or other combinations like 1,2,2,1.

Are there any suggestions on how to accomplish this?

8 months ago · Juan Pablo Isaza
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