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MathWorks

Con actividad desde 2012

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Problema


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...

más de 12 años hace | 29 | 2288 solvers

Problema


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...

casi 13 años hace | 24 | 1374 solvers

Problema


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...

casi 13 años hace | 25 | 1497 solvers

Problema


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...

casi 13 años hace | 30 | 4462 solvers

Problema


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...

casi 13 años hace | 8 | 1226 solvers

Problema


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...

casi 13 años hace | 8 | 1052 solvers

Problema


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, ...

casi 13 años hace | 24 | 1265 solvers

Problema


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

casi 13 años hace | 25 | 1422 solvers

Problema


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...

casi 13 años hace | 12 | 1572 solvers

Problema


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...

casi 13 años hace | 24 | 1791 solvers

Problema


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...

casi 13 años hace | 10 | 2448 solvers

Problema


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...

casi 13 años hace | 11 | 1516 solvers

Problema


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...

casi 13 años hace | 5 | 1670 solvers

Problema


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. ...

casi 13 años hace | 8 | 1300 solvers

Problema


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

casi 13 años hace | 25 | 2268 solvers

Problema


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 ...

casi 13 años hace | 10 | 1492 solvers

Problema


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...

casi 13 años hace | 7 | 1345 solvers

Problema


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...

casi 13 años hace | 12 | 1648 solvers

Problema


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...

casi 13 años hace | 5 | 1717 solvers

Problema


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 =...

casi 13 años hace | 15 | 3108 solvers

Problema


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

casi 13 años hace | 9 | 1221 solvers

Problema


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

casi 13 años hace | 15 | 1711 solvers

Problema


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

casi 13 años hace | 9 | 1595 solvers

Problema


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...

casi 13 años hace | 21 | 2983 solvers

Problema


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 ...

casi 13 años hace | 18 | 2971 solvers

Problema


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...

casi 13 años hace | 39 | 3368 solvers

Problema


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...

casi 13 años hace | 23 | 2280 solvers

Problema


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 ...

casi 13 años hace | 17 | 2244 solvers

Problema


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...

casi 13 años hace | 24 | 2496 solvers

Problema


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

casi 13 años hace | 27 | 2292 solvers

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