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Convex Hull Capture
Imagine four points in uv that form a square. uv = [ ... 0,0; 0,2; 2,2; 2,0]; Now we have two more po...

2 years ago

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Fill an array given a sum and array length values
Fill an array with random numbers so that their sum and array length will be equal to the given values as input. Function will ...

2 years ago

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Assignment Problem
Given a matrix where row i corresponds to person i, and column j corresponds to task j and cell (i,j) corresponds to the time ta...

2 years ago

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Convert float to base N
The matlab function dec2base converts a positive integer number to a specified base. Extend it so that it works with non intege...

2 years ago

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Number construction III
Given a positive integer, n, return a, b and c, such that 1. n = a^1.5+b^2.5+c^3.5 2. a, b and c are all positive integers...

2 years ago

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Number construction II
Given a positive integer, n, return a, b, c and d, such that 1. n = a*2^b+c*3^d 2. a, b, c and d are all positive integers...

2 years ago

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Integer complexity
Given an array, n, of positive integers, return an array, c, of the same size, in which each element is the complexity of the co...

2 years ago

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Number construction I
Given a positive integer, n, return a, b, c and d, such that 1. n = a*sqrt(b)+c*sqrt(d) 2. a, b, c and d are all positive ...

2 years ago

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Find the gcm of n given values
Create a function that given n integer values greater than zero, finds the two numbers with the greatest common divisor and retu...

2 years ago

Solved

Convert integer to base26 using letters
Write a function that converts a decimal integer to base26 using the letters of the english alphabet, i.e. 0->'a', 1->'b', 2->'c...

2 years ago

Solved

Sum the Digits of a Number
Given an integer, sum the digits repeatedly until you end up with a single value less than 10. For example, if you add the di...

2 years ago

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Number of digits in an integer
Specifies how many digits in a given integer. Example: in=100 ==> out=3

2 years ago

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Test if two numbers have the same digits
Given two integers _x1_ and _x2_, return |true| if the numbers written with no leading zeros contain the same digits. That is, t...

2 years ago

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Binary Inversion
Given the unsigned 8-bit integer x, return the number y which is the binary inversion of x. For example if x is 5, y should b...

2 years ago

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Convert decimal to binary and then generate the minimum binary it can with jumbling
input is 10 --> 1010 output should be 3 --> 0011 input 23 --> 10111 output should be 15 --> 01111

2 years ago

Solved

Replace values out of an interval with the lower or upper values
For a vector or matrix X and an interval [n1,n2], the function replace every element of x inferior to n1 by n1, and every elemen...

2 years ago

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Splitting Circle
Consider a circle which has been divided into three concentric circles as depicted in the figure below The ratio betwen the a...

2 years ago

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Splitting Hexagon - Problem the third

2 years ago

Solved

Splitting Hexagon - Problem the first

2 years ago

Solved

Splitting Triangle - Problem the second

2 years ago

Solved

S-T-R-E-T-C-H I-T O-U-T
You will be given a row of numbers (x), and a single number (n). Your job is to write a script that will stretch out the row of...

2 years ago

Solved

Check if a rotated array was originally sorted
Suppose a sorted array is rotated at some pivot unknown to you. For example, |[0 1 2 4 5 6 7]| might become |[5 6 7 0 1 2 4]|. ...

2 years ago

Solved

Find longest run
Write a function longest_run that takes as input an array of 0's and 1's and outputs the length and index of the longest consecu...

2 years ago

Solved

Look Up Mapping
Let the input is A = {[] [] [] [1] []}; B = {'A','B','C','D','E'}; Mapped Output = 'D';

2 years ago

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Fermat's Last Theorem - Fermat's conjecture
Fermat's Last Theorem (sometimes called Fermat's conjecture, especially in older texts) states that no three positive integers a...

2 years ago

Solved

Champernowne Constant
The <http://en.wikipedia.org/wiki/Champernowne_constant Champernowne constant> is a real number whose digits in decimal represen...

2 years ago

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P-smooth numbers
This Challenge is to find <https://en.wikipedia.org/wiki/Smooth_number P-smooth number> partial sets given P and a max series va...

2 years ago

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Is it an Armstrong number?
An Armstrong number of three digits is an integer such that the sum of the cubes of its digits is equal to the number itself. Fo...

2 years ago

Solved

Lychrel Number Test (Inspired by Project Euler Problem 55)
The task for this problem is to create a function that takes a number _n_ and tests if it might be a Lychrel number. This is, re...

2 years ago

Solved

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...

2 years ago