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Extract Built In Functions and Toolbox Functions from String or Function Handle
Find the Built-In functions and Toolbox functions in either a string or a function handle. Generate a string of alphabetized ...

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Data decompression
A chunk of data is to be 'decompressed'. Input: * compressed: a row vector of uint8 values. This is the compressed data. ...

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Word Distance - Sum
Let's suppose that the distance of a word can be calculated by summing the differences between its letters, having assigned the ...

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Mean and standard deviation of times in string
Input(t) - cell of strings with times in format 'min:sec.ms' Output([m, s]) - two strings with mean and standard deviation wi...

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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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Count letters occurence in text, specific to words with a given length.
Build a function with two input arguments: a string and a word length (number of letters), that outputs a vector of counts of th...

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Morse Code Generator! Try it!
.... . .-.. .-.. --- . ...- . .-. -.-- --- -. . -.-.-- .-.. . - ... -.. --- ... --- -- . -- --...

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Penny Distribution Machine
A machine consists of a row of boxes. To start, one places N pennies in the leftmost box. The machine then redistributes the pen...

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Penny Flipping: Reverse subsets of a sequence of coins until you recover the original configuration
The original Penny Flipping Problem (PF-1) starts with a stack of N pennies arranged with all the coins heads up. The first oper...

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Sum of combinations
Input: *X = 40*, *Y = [40 20 10 4]* Output: *Z = [1 0 0 0; 0 2 0 0; 0 1 2 0; 0 1 1 3; 0 1 0 5; 0 0 4 0; 0 0 3 3; 0 0 2 5; 0 ...

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Recycled Numbers (CodeJam Qualification Round 2012)
Let's say a pair of distinct positive integers ( _n_ , _m_ ) is recycled if you can obtain _m_ by moving some digits from the ...

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Sleeping Queens 1
My youngest daughter received a card game named Sleeping Queens for Christmas this year, and has been playing it nearly non-stop...

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Maximum sum from any 2 numbers with a variable number of inputs
Given a variable number of inputs, combine any 2 numbers from the inputs and output the maximum sum the combinations can generat...

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Red and green towers
Frankie has a large number of wooden cubes, painted in red and green. He is building little towers with his cubes, by stacking t...

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Find the inverse permutation
Given a permutation vector perm (a vector of n elements containing all the elements from 1 to n in some order), return the permu...

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Addition Partition
You will be given two numbers, N and K. Write a MATLAB function that will determine how many different unique ways you can have...

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Factorizing a number into a given number of factors
Given a positive integer, n, and another positive integer, b, return a matrix, M, of width b, with the following properties: (a)...

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Full combinations
Given n input vectors x1, x2, …, xn, generate a p*n matrix y whose rows contain all element-wise combinations of the vectors x1,...

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Factorial: Unlimited Size : java.math
This challenge is an application of java.math that allows unlimited precision calculations. The primary reference sites are <ht...

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Kurchan 3x3 - Optimal Score
Find an optimal 3x3 Kurchan square, score of 198. A 3x3 Kurchan square has values 1:9.The products of each row, column, diag...

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Kurchan Square - Evaluation Function
Evaluate a Kurchan square. An NxN square with values 1:N^2. Given a square matrix determine the products of each row, column,...

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Exponents in Factorials
It's time to get excited about numbers!!! Well, we're just dealing with factorials here, but it's still a good reason to get ex...

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Lowest sum from a group of digits
Hi there. It's James's daughter here again, and my third grade math teacher is up to her old tricks. This time, she's giving u...

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Highest powers in factorials
This is the inverse of the problem <https://www.mathworks.com/matlabcentral/cody/problems/44747 Exponents in Factorials>. Inste...

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What can you get for exactly amount of money(harder)
Inspired by "Problem 42996. what can you get for exactly amount of money" <https://ww2.mathworks.cn/matlabcentral/cody/problems...

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Path of least resistance - Move all direction
Extension of the wonderful Problem 1049 (Path of Least Resistance). A matrix is given as input. You have to take a tour startin...

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Path of least resistance
Find the length of the shortest path through the matrix from the top left to bottom right corner. You may move right, down, or d...

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Number of cyles and fixed points in a permutation
A permutation can be constructed from one or more sets of elements in cyclic order. A permutation in a single row vector form ...

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Generate binary combinations for a given number of bit(s)
Generate the binary combination as in the example below. Example: If you are given: bin_comb(2) The answer will be: ...

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