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Feeds
Risolto
Mirror Pair Mean
Given a row or column vector v, create a vector y of the same size where each element is replaced by the average of itself and i...
8 mesi fa
Risolto
Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...
9 mesi fa
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...
oltre 14 anni fa | 32 | 2929 risolutori
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...
quasi 15 anni fa | 24 | 1480 risolutori
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...
quasi 15 anni fa | 26 | 1814 risolutori
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...
quasi 15 anni fa | 31 | 4581 risolutori
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...
quasi 15 anni fa | 10 | 1512 risolutori
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...
quasi 15 anni fa | 8 | 1078 risolutori
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, ...
quasi 15 anni fa | 24 | 1350 risolutori
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...
quasi 15 anni fa | 25 | 1515 risolutori
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...
quasi 15 anni fa | 13 | 1956 risolutori
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...
quasi 15 anni fa | 26 | 2178 risolutori
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...
quasi 15 anni fa | 10 | 2534 risolutori
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...
quasi 15 anni fa | 11 | 1582 risolutori
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...
quasi 15 anni fa | 5 | 1743 risolutori
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. ...
quasi 15 anni fa | 8 | 1364 risolutori
Problema
Prime factor digits
Consider the following number system. Calculate the prime factorization for each number n, then represent the prime factors in a...
quasi 15 anni fa | 28 | 2548 risolutori
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 ...
quasi 15 anni fa | 10 | 1566 risolutori
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...
quasi 15 anni fa | 7 | 1378 risolutori
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...
quasi 15 anni fa | 13 | 1718 risolutori
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...
quasi 15 anni fa | 5 | 1800 risolutori
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 =...
quasi 15 anni fa | 20 | 3986 risolutori
Problema
Test for balanced parentheses
Given the input inStr, give the boolean output out indicating whether all the parentheses are balanced. Examples: * If ...
quasi 15 anni fa | 9 | 1253 risolutori
Problema
Mandelbrot Numbers
The <http://en.wikipedia.org/wiki/Mandelbrot_set Mandelbrot Set> is built around a simple iterative equation. z(1) = c z...
quasi 15 anni fa | 17 | 1784 risolutori
Problema
Find the palindrome
Given the string a, find the longest palindromic sub-string b. So when a = 'xkayakyy'; you should return b = 'kayak';
quasi 15 anni fa | 9 | 1669 risolutori
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...
quasi 15 anni fa | 22 | 3099 risolutori
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 ...
quasi 15 anni fa | 18 | 3074 risolutori
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...
quasi 15 anni fa | 39 | 3414 risolutori
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...
quasi 15 anni fa | 23 | 2357 risolutori
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 ...
quasi 15 anni fa | 17 | 2351 risolutori
