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Penny flipping - calculate winning probability (easy)
Two players are playing a fair penny flipping game. For each flip, the winner adds one penny from the loser's collection to his/...

alrededor de 2 años ago

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Woodall number
Test whether the input is a Woodall number: <http://en.wikipedia.org/wiki/Woodall_number> _Please do not cheat by simply chec...

alrededor de 2 años ago

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Breaking Out of the Matrix
Do you want to take the Red Pill, or the Blue Pill? If you take the Blue Pill, you will simply pass along to the next problem...

alrededor de 2 años ago

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The Glass Half Full
Identical glasses are placed in a triangular tower structure, such that the top level (L = 1) comprises one glass, the next leve...

alrededor de 2 años ago

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Polarisation
You have n polarising filters stacked one on top of another, and you know each axis angle. How much light gets passed through th...

alrededor de 2 años ago

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Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

alrededor de 2 años ago

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peta to nano (x-ray)
for certain x-ray radiation, given frequency in petahertz, give wavelength in nanometer, must be accurate +/- 25%

alrededor de 2 años ago

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Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

alrededor de 2 años ago

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Clock Hand Angle 1
Given a time in HH:MM:SS, find the smallest angle (in degrees) between the hour and minute hand

alrededor de 2 años ago

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Find third Side of a right triangle given hypotenuse and a side. No * - or other functions allowed
Find the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowe...

alrededor de 2 años ago

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GJam 2016 Rd1A: Rank and File (Large)
This Challenge is derived from <http://code.google.com/codejam/contest/4304486/dashboard#s=p1 GJam Rd1A 2016 Rank and File>. Thi...

alrededor de 2 años ago

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GJam 2016 Rd1A: Rank and File (small)
This Challenge is derived from <http://code.google.com/codejam/contest/4304486/dashboard#s=p1 GJam Rd1A 2016 Rank and File>. Thi...

alrededor de 2 años ago

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Project Euler 249: Prime Subset Sums
Inspired by Problem 249 of Project Euler. https://projecteuler.net/problem=249 Let S = {2, 3, 5, ...} be the set of prime nu...

alrededor de 2 años ago

Problem

Project Euler 249: Prime Subset Sums
Inspired by Problem 249 of Project Euler. <https://projecteuler.net/problem=249> Let S = {2, 3, 5, ...} be the set of prime ...

alrededor de 2 años ago | 1 | 10 solvers

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Separate even from odd numbers in a vector - without loops
*Without using loops*, rearrange a vector of integers such that the odd numbers appear at the beginning, and even numbers at the...

alrededor de 2 años ago

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Create Vector containing following elements
Create Vector containing following elements A=[pi eps NaN inf -inf flintmax];

alrededor de 2 años ago

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Mersenne Primes
A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...

alrededor de 2 años ago

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Largest Twin Primes
<http://en.wikipedia.org/wiki/Twin_prime Twin primes> are primes p1, p2 = p1 + 2 such that both p1 and p2 are prime numbers. Giv...

alrededor de 2 años ago

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Bell Number calculator
Calculate a vector of Bell numbers for sets up to length n. Bell numbers are the maximum number of partitions of a set. See the ...

alrededor de 2 años ago

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Is this number Munchhausen Narcissistic?
In this problem, simply return 1 if a supplied number is Munchhausen narcissistic or 0 if not. Example 153 is narcissistic...

alrededor de 2 años ago

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OXO counting
Count the number of occurrences of "OXO" in rows, columns, diagonals and anti-diagonals. Example: >> board = ['OOX' ...

alrededor de 2 años ago

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Funny problems
Generate the following vector： if n=1 then q=1; elseif n=2 then q=[2 2 1]; elseif n=3 then q=[3 3 3 2 2 1]; ... end

alrededor de 2 años ago

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Twins in a Window
<http://en.wikipedia.org/wiki/Twin_primes Twin primes> are prime numbers that differ by 2, such as [11,13] or [41,43]. Write a f...

alrededor de 2 años ago

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5th Time's a Charm
Write a function that will return the input value. However, your function must fail the first four times, only functioning prope...

alrededor de 2 años ago

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Kaprekar numbers
Test if the input is a Kaprekar number: <http://mathworld.wolfram.com/KaprekarNumber.html>. Return a logical true or false. ...

alrededor de 2 años ago

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Narcissistic number ?
Inspired by Problem 2056 created by Ted. In recreational number theory, a narcissistic number is a number that is the sum of ...

alrededor de 2 años ago

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Given UINT class variables output the correct solution to A-B+C. *Input:* A,B,C Three uint variables *Output:* solution ...

alrededor de 2 años ago

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Remove all the consonants
Remove all the consonants in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill'; Output s2 is 'a ...

alrededor de 2 años ago

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R2012b atan in Degrees
Return in degrees the atan result of inputs for all four quadrants. *Examples:* [x, y] Degrees 1 0 0 1 1 ...

alrededor de 2 años ago

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Create formatted value string Cell array of a vector
This Challenge is to create a cell array that contains strings of vector components in a given format. c=vector2formattedstri...

alrededor de 2 años ago