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Tim


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1 589 total contributions since 2012

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Solved


Prisoners Dilemna

8 jours ago

Solved


Compute the Euler totient function

18 jours ago

Solved


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

23 jours ago

Solved


Test approximations of the prime counting function

23 jours ago

Solved


Decay Constant

23 jours ago

Solved


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...

25 jours ago

Solved


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). ...

25 jours ago

Solved


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)...

25 jours ago

Solved


Decimal to Binary conversion for Large Integers

26 jours ago

Solved


Difference of Closest Palindromes

27 jours ago

Solved


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 ...

28 jours ago

Solved


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...

29 jours ago

Solved


A Simple Shielding Problem

29 jours ago

Solved


Previous Palindrome

29 jours ago

Solved


Next Palindrome

29 jours ago

Solved


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

30 jours ago

Solved


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

30 jours ago

Solved


Splitting Circle

environ un mois ago

Solved


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 un mois ago

Solved


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 un mois ago

Solved


Consecutive Prime Numbers

environ un mois ago

Solved


Simple Circuit of Resistors

environ un mois ago

Solved


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 un mois ago

Solved


Identify eban numbers

environ un mois ago

Solved


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

environ un mois ago

Solved


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 un mois ago

Solved


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 un mois ago

Solved


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 un mois ago

Solved


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 un mois ago

Solved


Compute expulsions from the Kimberling shuffle

environ un mois ago

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