A résolu


Compute the Euler totient function

environ 5 ans il y a

A résolu


Create a sequence of primes p such that p > n π(p)

environ 5 ans il y a

A résolu


Test approximations of the prime counting function

environ 5 ans il y a

A résolu


Decay Constant

environ 5 ans il y a

A résolu


Triangular Tiling Dots in a Circle
Return how many <http://en.wikipedia.org/wiki/Triangular_tiling Triangular Tiling> grid points there are inside a circle of radi...

environ 5 ans il y a

A résolu


Dots in a Circle
Return how many integer grid points there are inside a circle of radius _r_ centred at (0,0) (including points on the edge). ...

environ 5 ans il y a

A résolu


Dots in a Sphere
Return how many integer grid points there are inside a 3D sphere of radius _r_ centred at (0,0,0) (including points on the edge)...

environ 5 ans il y a

A résolu


Decimal to Binary conversion for Large Integers

environ 5 ans il y a

A résolu


Difference of Closest Palindromes

environ 5 ans il y a

A résolu


Investigate the frequency of last digits of prime numbers
The last digit of a prime number greater than 5 can be 1, 3, 7, or 9. If the primes are distributed randomly, then these digits ...

environ 5 ans il y a

A résolu


Estimate π from certain values of the zeta function
Cody Problems <https://www.mathworks.com/matlabcentral/cody/problems/2908-approximation-of-pi 2908> and <https://www.mathworks.c...

environ 5 ans il y a

A résolu


A Simple Shielding Problem

environ 5 ans il y a

A résolu


Previous Palindrome

environ 5 ans il y a

A résolu


Next Palindrome

environ 5 ans il y a

A résolu


When the sum of the cubes is a quartic...

environ 5 ans il y a

A résolu


When the sum of the squares is a cubic...

environ 5 ans il y a

A résolu


Splitting Circle

environ 5 ans il y a

A résolu


Our Dad went to Buy a car But the car seller can't think the easiest way to get the car out Give Him a solution!

environ 5 ans il y a

A résolu


Beads on a Necklace (Convex Hulls)
We may describe a <http://en.wikipedia.org/wiki/Convex_hull convex hull> as a rubber band stretched around a list of points. Som...

environ 5 ans il y a

A résolu


Consecutive Prime Numbers

environ 5 ans il y a

A résolu


Simple Circuit of Resistors

environ 5 ans il y a

A résolu


Dots in a Diamond
Return how many <http://en.wikipedia.org/wiki/Diamond_cubic Diamond Cubic> lattice grid points there are inside a 3D sphere of r...

environ 5 ans il y a

A résolu


Identify eban numbers

environ 5 ans il y a

A résolu


Pairwise Euclidean Distance
Given two matrices A,B of dimensions NxK and NxL respectively, calculate the pairwise euclidean distance of all vectors (columns...

environ 5 ans il y a

A résolu


Vector parallel to plane?
Given the coefficients of the equation which defines a plane as follows: ax+by+cz=d, return a boolean indicating whether the 2n...

environ 5 ans il y a

A résolu


Points on a circle.
This problem is related to <url=http://www.mathworks.com/matlabcentral/cody/problems/1283-points-on-a-sphere>Problem 1283, Point...

environ 5 ans il y a

A résolu


Convert to Binary Coded Decimal
Convert from decimal representation to <http://en.wikipedia.org/wiki/Binary-coded_decimal Binary Code Decimal> (or BCD) represen...

environ 5 ans il y a

A résolu


Find out the Gray Code for a Given Binary Number
Find out <http://en.wikipedia.org/wiki/Gray_code Gray Code> for a given binary number Example Binary input 1000 Gray ...

environ 5 ans il y a

A résolu


Compute expulsions from the Kimberling shuffle

environ 5 ans il y a

A résolu


Upper case and lower case!

environ 5 ans il y a

Charger plus