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This trend grabs the average daily fuel prices in Bellingham, WA from http://fuelgaugereport.opisnet.com/WAmetro.asp The arra...

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

Solve this!

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...

The characteristic equation for a dynamic system is a polynomial whose roots indicate its behavior. If any of the <http://www.ma...

<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, ...

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

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...

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...

Given a matrix A that represents the state of <http://en.wikipedia.org/wiki/Conway's_Game_of_Life Conway's game of Life> at one ...

Create a function taking a non-negative integer as its parameter and returning a string containing the Roman Numeral representat...

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

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 ...

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

Given a list of US states, remove all the states that end with the letter A. Example: Input s1 = 'Alabama Montana Nebras...

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...

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

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...

An internet meme from 2003 (read more <http://www.snopes.com/language/apocryph/cambridge.asp here>) asserted that readers are re...

Given a list of states, remove all the states that have two-word names. If s1 = 'Alabama Montana North Carolina Vermont N...

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

Given a tic tac toe board: * 1 represents X * 0 represents empty. * -1 represents O It is X's move. If there is an imme...

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

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

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...

You want to find all elements that exist in greater than 50% of the rows in the matrix. For example, given A = 1 2 3 5 ...

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

Given a vector v of integers and an integer n, return the the indices of v (as a row vector in ascending order) that sum to n. I...

Given a matrix, find all elements that exist in every row. For example, given A = 1 2 3 5 9 2 5 9 3 2 5 9 ...

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

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