Array.indices()

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These functions operate on array locations and values to create contours and other interesting operations. Array Indices and XY Functions

Array.indices(Function,SubtractByArray,ScaleByArray,DoNotShowIndices,RowArray)

Returns the result of applying the Function/FunctionSet to each x,y location of the array, then subtracts and scales the results with SubtractByArray and ScaleByArray. DoNotShowIndices suppresses the x,y indices when outputting the result.

[1,2,3].indices(SIN).print()

[ [ [0,0 ] ],

[ [1,0.8414709848078965 ] ],

[ [2,0.9092974268256817 ] ] ]

MAGICSQUARE(3).indices()

0 0 0 0	0 1 0 1	0 2 0 2
1 0 1 0	1 1 1 1	1 2 1 2
2 0 2 0	2 1 2 1	2 2 2 2

MAGICSQUARE(3).indices(SUM,0,1,false)

0 0 0	0 1 1	0 2 2
1 0 1	1 1 2	1 2 3
2 0 2	2 1 3	2 2 4

0 1 2 1 2 3 2 3 4 MAGICSQUARE(3).indices(SUM,0,1,true)

0	1	2
1	2	3
2	3	4