Adding all possible combinations of array elements
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I have an array of elements,
How would I generate a new array of all possible combinations, multiples, and combinations of multiples within a threshold limit of, say, 30?
ex:
X=[a b c d]; where a, b, c, d are real, positive, small integers
M=[a, b, c, d, 2*a, 2*b, ... 3*a, 3*b,...4*a, 4*b, ...a+b, a+b+c,... 2a+2b,...2a+c,... 10a+10b+d, ... .. .. ]
M(M>=30)=[];
where ALL possible combinations are there, excluding repeat combinations, but including repeat numbers
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Risposte (1)
Ahmet Cecen
il 12 Ago 2014
Use combnk to get the the unique combinations over a,b,c and d. For each of those combinations, use base math to get the repetitive variations from 1 to 30. However, the number of elements within M might explode at 30. You might want to consider a lower number.
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