Difference between revisions of "Array.cartesianproduct()"

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To find all [https://en.wikipedia.org/wiki/Pythagorean_triple Pythagorean Triplets] between 1..10, do:
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[1..10,1..10].cartesianproduct().filter(r=>ISINTEGER(SQRT(SUMSQ(r))))
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Latest revision as of 11:37, 16 February 2020


Array.cartesianproduct()

Returns cartesian product of each array element in the array.

[1..3,2..3].cartesianproduct()

1 2

1 3

2 2

2 3

3 2

3 3

To find all Pythagorean Triplets between 1..10, do:

[1..10,1..10].cartesianproduct().filter(r=>ISINTEGER(SQRT(SUMSQ(r))))

3


4



4


3



6


8



8


6



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