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**Content Feed**

Solved

Chess ELO rating system

The Elo rating system is a method for calculating the relative chess skill levels of players in competitor-versus-competitor gam...

11 jours ago

Solved

Extract Built In Functions and Toolbox Functions from String or Function Handle

Find the Built-In functions and Toolbox functions in either a string or a function handle. Generate a string of alphabetized ...

environ un mois ago

Solved

Data decompression

A chunk of data is to be 'decompressed'. Input: * compressed: a row vector of uint8 values. This is the compressed data. ...

environ un mois ago

Solved

Word Distance - Sum

Let's suppose that the distance of a word can be calculated by summing the differences between its letters, having assigned the ...

environ un mois ago

Solved

Goldbach's marginal conjecture - Write integer as sum of three primes

Goldbach's strong conjecture states that every even integer greater than 2 can be expressed as the sum of two primes. For exampl...

environ un mois ago

Solved

Matlab Basics - Rounding III

Write a script to round a large number to the nearest 10,000 e.g. x = 12,358,466,243 --> y = 12,358,470,000

environ un mois ago

Solved

~~~~~~~ WAVE ~~~~~~~~~

|The WAVE generator| Once upon a time there was a river. 'Sum' was passing by the river. He saw the water of the river that w...

environ un mois ago

Solved

Prime Ladders

A <http://en.wikipedia.org/wiki/Word_ladder word ladder> transforms one word to another by means of single-letter mutations. So ...

12 mois ago

Solved

Pandigital number n°3 (Inspired by Project Euler 32)

After Problem 2319 and 2320. An n-digit number is pandigital if it makes use of all the digits 1 to n exactly ONCE. For examp...

12 mois ago

Solved

Factorions: Numbers that equal the sum of the factorials of their digits

From Wikipedia: _A factorion is a natural number that equals the sum of the factorials of its decimal digits_ For example: ...

12 mois ago

Solved

is the number happy?

test is a given integer number is Happy of not? answer 1 if yes or 0 is no

12 mois ago

Solved

Calculate a modified Levenshtein distance between two strings

Inspired by the Cody problem found <http://www.mathworks.com/matlabcentral/cody/problems/93-calculate-the-levenshtein-distance-b...

12 mois ago

Solved

Kryptos - CIA Cypher Sculpture: Vignere Decryption

The <http://en.wikipedia.org/wiki/Kryptos Kryptos Sculpture> contains four encypted messages. This Challenge is to Decrypt tw...

12 mois ago

Solved

Kryptos - CIA Cypher Sculpture: Vigenere Encryption

The <http://en.wikipedia.org/wiki/Kryptos Kryptos Sculpture> contains four encypted messages. This Challenge is to Encrypt tw...

12 mois ago

Solved

Pseudo-vampire number

refer to <https://en.wikipedia.org/wiki/Vampire_number> Given a number x, determine whether it is a pseudo-vampire number. ...

12 mois ago

Solved

Hexagonal numbers on a spiral matrix

Put hexagonal numbers in a ( m x m ) spiral matrix and return the sum of its diagonal elements. Formula of hexagonal numbers ...

12 mois ago

Solved

Infinite precision division

Develop a function that will divide a very very large integer numerator, supplied to function as a string (e.g., '12233344445555...

12 mois ago

Solved

How to multiply?

* Imagine you are in 3012 Anno Domini, when everyone must learn how to multiply, * and competing for the highly prestigious pos...

12 mois ago

Solved

Combined Ages 4 - Non-symmetric with multiples, n ≥ 3

This problem is slightly more difficult than <http://www.mathworks.com/matlabcentral/cody/problems/42383-combined-ages-3-non-sym...

12 mois ago

Solved

Combined Ages 3 - Non-symmetric, n ≥ 3

Pursuant to the previous two problems ( <http://www.mathworks.com/matlabcentral/cody/problems/42382-combined-ages-1-symmetric-n-...

12 mois ago

Solved

Outer product of multiple vectors

In tensor algebra, it is often useful to define a tensor as a product of lower order tensors. Similarly, a multidimensional arra...

12 mois ago

Solved

Combined Ages 2 - Symmetric, n ≥ 3

Following on <http://www.mathworks.com/matlabcentral/cody/problems/42382-combined-ages-1-symmetric-n-3 Combined Ages 2>, you wil...

12 mois ago

Solved

String Array Basics, Part 4: Convert String Array with Missing Values to Cell Array

<http://www.mathworks.com/help/matlab/characters-and-strings.html String array> and cell array are two types of containers for s...

12 mois ago

Solved

Use R2016b Text Manipulations to Fix These Addresses (Part 3)

We have a series of addresses like the following which we'd like to reformat. Each of the addresses lacks a space and a comma ...

12 mois ago

Solved

Use R2016b Text Manipulations to Fix These Addresses (Part 2)

We have a series of addresses like the following which we'd like to reformat. All the addresses are in the Boston area of Mass...

12 mois ago

Solved

Use R2016b Text Manipulations to Fix These Addresses (Part 1)

We have a series of addresses like the following which we'd like to reformat. Can you remove the latitude and longitude from the...

12 mois ago

Solved

Combine the first and last names

MATLAB R2016 provides a rich set of functions to work with string arrays. In this problem, you will be given two string arrays o...

12 mois ago

Solved

Vector push

Append an element |x| to the end of the vector |v| and return both the extended vector and the new number of its elements. |x| c...

12 mois ago

Solved

Matlab Basics - Assigning Variables

Assign different types of data to variables: integer, double, and strings Example: A is a double, for example 2.34 B is a...

12 mois ago