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Justify the character string in center with proportional fonts
how to justify a string of character into center with proportional fonts? Example: x='justify string ' output is ' justif...

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Eliminate Polysyllabics: Long live short words!
Given a string s1, return s2 in which all the words with more than one syllable have been removed. To make things simple, we ...

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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...

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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...

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Backslang, odds are you used it at some point in time...
So backslang is a language that can be used to communicate in an easy decode code, if people know the rules of decoding it. Wel...

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Check for keywords
If the entered string is a MATLAB keyword, return true else false

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Count given word x in text.
Count how many times given word x repeats in text.

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Convert array of decimal numbers into hexadecimal numbers array.
Convert array of decimal numbers into hexadecimal numbers array. Example x =[ 32 33 34 35 36 37 38 ...

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Use a timetable to analyze a train timetable (Part 5)
You are analyzing a train timetable (you have some time to kill since you just missed your train!) How many trains depart each d...

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Use a timetable to analyze a train timetable (Part 4)
You are analyzing a train timetable (you have some time to kill since you just missed your train!) What is the average daily tri...

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Use a timetable to analyze a train timetable (Part 3)
Oh no, you missed your train to Boston (again?)! How many times can you miss that train today? (In other words, how many Boston ...

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Use a timetable to analyze a train timetable (Part 2)
Oh no, you missed your train to Boston! Find the departure time of the next available train by analyzing the train timetable. Yo...

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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 ...

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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...

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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...

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Identify full reptend primes

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List the emirps

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Usage of java.math : Add, Multiply, Pow
This challenge is an introduction to the wonderful word of java.math that allows unlimited precision calculations. The primary ...

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Determine whether a prime is Pythagorean

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Compute the nth Pythagorean prime
Pythagorean primes have the form p = 4n+1, where n is an integer, and they can be written as the sum of squares of two integers....

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When Was That Goal Scored?
We want to find out when the goals were scored in a particular soccer game. For each game, we are given a "Goal Event Data" XML ...

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Words Count: A Cell Array Approach
Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

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Words Count: A String Array Approach
Given an input character vector consisting of words, punctuation marks, white spaces, and possibly newline characters (\n), arra...

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Shorten pathname
Given a pathname string, return a condensed version by replacing intermediate folders with '..'. *Example* If fullpat...

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Find and replace the zero array in a matrix
Find the zero array in the matrix and replace it with average of surrounding (adjacent) arrays. Example: A = 3 ...

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Community Problem 500!
In honor of this being the 500th Community problem, see if you can create a function that has a Cody size of 500. It can do any...

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From a given cell array of strings, extract the non-unique strings.
We are given a cell array of strings C. From this cell array we require to extract the subset of non-unique strings, returning t...

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Calculator spelling - Letters to Numbers
Using the numbers on a calculator, and rotating the display 180 degrees, many words can be spelled. In particular, the following...

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Concatenate string with cell array of strings
Given a cell array of strings (a), a target string (b), and a target position (ind), return a cell array of strings (c) in which...

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Did you say please? - Find one string within another without strfind or regexp/regexpi
For a given string sentence, determine if the string word 'please' is present or not. If so, return the string 'OK', else return...

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