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Integer-array indexing (e.g. numpy.take) as function composition: where can I find more resources?

For context, one of Numpy's features is that an an array of integers can be passed as an index to an array, and this selects values at all of the specified positions, in any order with possible ...
4
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1answer
116 views

Mathematical equivalent of reduce()?

filter() in functional programming can be thought of as being analogous to an equation that filters the range of the variable. map() can be through of as a function mapping domain to codomain. ...
4
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255 views

How do you represent LISP as mathematical / logical model?

I asked this in stackoverflow, but the question probably fits here better. This question arose from the objection that LISP is regarded as a functional language with some simple principles, namely ...
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1answer
108 views

What is the name of this type of function composition?

If standard function composition is defined as: (define compose { (B → C) → (A → B) → (A → C) } F G -> (λ X (F (G X)))) What type of ...
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90 views