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Questions tagged [mathematics]

For code that aims to solve problems in all branches of mathematics. (Please do NOT use this tag for incidental trivial use of arithmetic. A simple test to apply is: would an amateur or professional mathematician take an interest in the question?)

26 questions with no upvoted or accepted answers
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constexpr Sin Function C++ 14

I have written a constexpr sin function using c++14 and would like to know what I can do to improve it. I am trying to balance code clarity/maintainability with ...
618 views

Recursive factorial calculations in Rust

I am trying to calculate very large factorials. I am looking to speed it up as 10000! takes approximately a minute and a half. ...
273 views

Summing 2D NumPy array by multiple labels

Each element of the array is a coordinate (x, y). Each coordinate has two labels. Goal: sum the elements that have the same two labels. How can ...
130 views

Kernel density regression in Julia

Here is a naive implementation of a kernel density regression algorithm in Julia. The code works, but there is quite a bit of room for improvement though. First, there is not an optimal bandwidth ...
107 views

117 views

Roots of Unity in R

I have a paper on the definition of (i) available here. I was curious about the simultaneous real numbers associated with the roots of unity, and noticed there was not a routine in R. I have this ...
52 views

Solidity: verifying primality certificates, bounty for large primes

This is my first smart contract, and it isn't finished yet, but the remaining bits are complicated enough that I'd like to make sure I'm on the right track first. My concerns are: At line 117, is the ...
454 views

Python palindrome function; is it possible to write it without using string conversion?

I hope this question is okay to ask on Code Review; this is a little function I wrote in Python 2.7.12 that checks if a number is a palindrome. It works fine but I'd like to know if there is a purely ...
134 views

Quadratic equation solver in Ruby

I wrote a simple quadratic equation solver with Ruby to help me solve quadratic equations. Please tell me what I did right or wrong, and what I can do to improve it. ...
132 views

Determine amicable pairs within confines of Θ(n)

I had to implement a program that takes a number userNum from the user and finds all perfect numbers and pairs of amicable numbers within the range \\$\lbrace 2, \...
726 views

Snell's law using Zoeppritz equation by matrices

I have created the following code to calculate Snell's law angles, based on Zoeppritz equations on complex plane. The code works, seems it is returning valid values, but after all the code just looks ...