Functions are deterministic In functional programming, given a particular set of inputs, a function always returns the same set of outputs. For example, the following function writing in Clojure is ...

The demo program defines function my.qsort, which implements the quicksort algorithm to sort an array. If you refer to the code in Listing 1, you'll see that function my.qsort calls itself. Let me ...

In mathematics, functions like equality, addition, concatenation, etc. have been studied in detail, and so when we use these functions in programming it makes sense to consider what mathematicians ...

S. N. Afriat, The Output Limit Function in General and Convex Programming and the Theory of Production, Econometrica, Vol. 39, No. 2 (Mar., 1971), pp. 309-339 ...