functional-programming

Enter the vast world of programming languages by following the tutorials provided here to learn about functional programming in Haskell.

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Subtraction

Design a function that takes in two integers, p and q, and returns the difference p-q. Assume that p-q = 0 if p < q. Also, assume that p, q >= 0. For example, subtr 2 5 = 0.

Greater Than

Using your subtraction function, create another function that takes in two integers, p and q such that p, q >= 0, and returns wheter p is strictly greater than q.

Logistic Map

The logistic map, as mentioned in a previous post, is given by the following equation:

x_n+1 = rx_n(1 - x_n)

Write a Haskell function that takes in an initial x₀, constant r, and index n to compute x_n+1.