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MathWorks

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Problème

Project Euler: Problem 2, Sum of even Fibonacci
Each new term in the Fibonacci sequence is generated by adding the previous two terms. By starting with 1 and 2, the first 10 te...

environ 12 ans il y a | 29 | 2156 solveurs

Problème

Knight's Tour Checker
Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...

environ 12 ans il y a | 24 | 1300 solveurs

Problème

Given two strings, find the maximum overlap
Given two strings s1 and s2, create a new string s3 which is as short as possible and contains both strings. If s1 = [1 2...

environ 12 ans il y a | 21 | 1393 solveurs

Problème

Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...

environ 12 ans il y a | 30 | 4375 solveurs

Problème

Find state names that start with the letter N
Given a list of US states, remove all the states that start with the letter N. If s1 = 'Alabama Montana Nebraska Vermont Ne...

environ 12 ans il y a | 7 | 1169 solveurs

Problème

Get the area codes from a list of phone numbers
Given a string of text with phone numbers in it, return a unique'd cell array of strings that are the area codes. s = '508-647...

environ 12 ans il y a | 8 | 1028 solveurs

Problème

Connect Four Win Checker
<http://en.wikipedia.org/wiki/Connect_Four Connect Four> is a game where you try to get four pieces in a row. For this problem, ...

environ 12 ans il y a | 23 | 1198 solveurs

Problème

Calculate the Levenshtein distance between two strings
This problem description is lifted from <http://en.wikipedia.org/wiki/Levenshtein_distance>. The Levenshtein distance betwee...

environ 12 ans il y a | 25 | 1335 solveurs

Problème

Counting in Finnish
Sort a vector of single digit whole numbers alphabetically by their name, in Finnish. See the Wikipedia page for <http://en.wik...

environ 12 ans il y a | 12 | 1453 solveurs

Problème

It dseon't mettar waht oedrr the lrettes in a wrod are.
An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

environ 12 ans il y a | 22 | 1671 solveurs

Problème

Indexed Probability Table
This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

environ 12 ans il y a | 10 | 2353 solveurs

Problème

Renaming a field in a structure array
MATLAB has a <http://www.mathworks.com/help/techdoc/ref/setfield.html setfield> and a <http://www.mathworks.com/help/techdoc/ref...

environ 12 ans il y a | 11 | 1450 solveurs

Problème

Remove the polynomials that have positive real elements of their roots.
The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the <http://www.ma...

environ 12 ans il y a | 5 | 1592 solveurs

Problème

Longest Divisor Run
Given the vector a, find the longest run of consecutive numbers that can be evenly divided by the same number d where d > 1. ...

environ 12 ans il y a | 7 | 1226 solveurs

Problème

Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...

environ 12 ans il y a | 23 | 2172 solveurs

Problème

Remove the small words from a list of words.
Your job is to tidy up a list of words that appear in a string. The words are separated by one or more spaces. Remove all words ...

environ 12 ans il y a | 9 | 1415 solveurs

Problème

DNA N-Gram Distribution
Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

environ 12 ans il y a | 7 | 1282 solveurs

Problème

Implement a ROT13 cipher
Replace each character in string s1 with the character that is shifted 13 positions from it (wrap back to the beginning if neces...

environ 12 ans il y a | 12 | 1581 solveurs

Problème

Clean the List of Names
Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

environ 12 ans il y a | 5 | 1635 solveurs

Problème

De-dupe
Remove all the redundant elements in a vector, but keep the first occurrence of each value in its original location. So if a =...

environ 12 ans il y a | 14 | 2899 solveurs

Problème

Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...

environ 12 ans il y a | 9 | 1198 solveurs

Problème

Mandelbrot Numbers
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...

environ 12 ans il y a | 15 | 1623 solveurs

Problème

Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';

environ 12 ans il y a | 9 | 1489 solveurs

Problème

Balanced number
Given a positive integer find whether it is a balanced number. For a balanced number the sum of first half of digits is equal to...

environ 12 ans il y a | 21 | 2880 solveurs

Problème

Replace NaNs with the number that appears to its left in the row.
Replace NaNs with the number that appears to its left in the row. If there are more than one consecutive NaNs, they should all ...

environ 12 ans il y a | 18 | 2898 solveurs

Problème

Interpolator
You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

environ 12 ans il y a | 38 | 3327 solveurs

Problème

Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...

environ 12 ans il y a | 23 | 2203 solveurs

Problème

Alphabetize by last name
Given a list of names in a cell array, sort the list by the last name. So if list = {'Barney Google','Snuffy Smith','Dagwood ...

environ 12 ans il y a | 17 | 2163 solveurs

Problème

Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

environ 12 ans il y a | 23 | 2369 solveurs

Problème

Kaprekar Steps
6174 is the <http://en.wikipedia.org/wiki/6174_%28number%29 Kaprekar constant>. All natural numbers less than 10,000 (except som...

environ 12 ans il y a | 27 | 2185 solveurs

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