How to generate an array according to the rules defined by oneself?

[wujilingfeng]

How to generate an array according to the rules defined by oneself?
I have a function like func:: Int->Int->Float, which represents calculating values based on index

[chessai]

Right now, I think you would need to combine Data.Vector.generate, Data.Vector.toList, and eg ArrayFire.Array.matrix.

The construction API could definitely be expanded