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Sphenic number sequence
<http://oeis.org/A007304 Sphenic numbers> are positive integers that are products of three distinct prime numbers: 30, 42, 66, 7...

6 years ago

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Integer sequence - 2 : Kolakoski sequence
Get the n-th term of <https://oeis.org/A000002 Kolakoski Sequence>.

6 years ago

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Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

6 years ago

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"Look and say" sequence
What's the next number in this sequence? * [0] * [1 0] * [1 1 1 0] * [3 1 1 0] * [1 3 2 1 1 0] This a variant on the w...

6 years ago

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Sum of first n terms of a harmonic progression
Given inputs a, d and n, return the sum of the first n terms of the harmonic progression a, a/(1+d), a/(1+2d), a/(1+3d),....

6 years ago

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Sum the Infinite Series
Given that 0 < x and x < 2*pi where x is in radians, write a function [c,s] = infinite_series(x); that returns with the...

6 years ago

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Find the stride of the longest skip sequence
We define a _skip sequence_ as a regularly-spaced list of integers such as might be generated by MATLAB's <http://www.mathworks....

6 years ago

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Take it out
Consider the integer number sequence N (1 to infinity). After each iteration, take out the (k+1)th elements; where k is the n...

6 years ago

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Connect 4 (the boardgame)
You are playing the popular game "Connect 4" ( <https://en.wikipedia.org/wiki/Connect_Four>) against Matlab. Luckily, Matlab isn...

6 years ago

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Connect Four: find winning move
Inspired by <http://www.mathworks.com/matlabcentral/cody/problems/90-connect-four-win-checker this problem>... <http://en.wik...

6 years ago

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Rumis Scorer 4
This problem is very similar to <https://www.mathworks.com/matlabcentral/cody/problems/3101-rumis-scorer-3 Rumis Scorer 3>. The ...

6 years ago

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Rumis Scorer 3
<http://en.wikipedia.org/wiki/Rumis Rumis> is a multiplayer 3D block board game where the goal is to have the most squares visib...

6 years ago

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Rumis Scorer 2
<http://en.wikipedia.org/wiki/Rumis Rumis> is a multiplayer 3D block board game where the goal is to have the most squares visib...

6 years ago

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Rumis Scorer 1
<http://en.wikipedia.org/wiki/Rumis Rumis> is a multiplayer 3D block board game where the goal is to have the most squares visib...

6 years ago

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Mastermind V: Optimal Solver - average number of guesses
The following description contains a copy of Richard Zapor's <https://www.mathworks.com/matlabcentral/cody/problems/44239-master...

6 years ago

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Mastermind IV: Optimal Solver - max of 5 guesses
<https://en.wikipedia.org/wiki/Mastermind_(board_game) Mastermind> is a code breaking logic puzzle. A pattern of 6 colors(values...

6 years ago

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Mastermind III: Solve in 1
<https://en.wikipedia.org/wiki/Mastermind_(board_game) Mastermind> is a code breaking logic puzzle. A pattern of 6 colors(values...

6 years ago

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Mastermind II: Solve in 8 or less
<https://en.wikipedia.org/wiki/Mastermind_(board_game) Mastermind> is a code breaking logic puzzle. A pattern of 6 colors(values...

6 years ago

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Mastermind I: Solve all 1296 cases
<https://en.wikipedia.org/wiki/Mastermind_(board_game) Mastermind> is a code breaking logic puzzle. A pattern of 6 colors(values...

6 years ago

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Mastermind
We are playing the boardgame mastermind <https://en.wikipedia.org/wiki/Mastermind_(board_game)>. The game master has created a 4...

6 years ago

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Determine the Result of a Move in Reversi
Note: This is closely related to <http://www.mathworks.com/matlabcentral/cody/problems/2538-find-the-next-legal-move-in-reversi ...

6 years ago

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Find the Next Legal Move in Reversi
<http://en.wikipedia.org/wiki/Reversi Reversi>, also known as Othello, is a game in which reversible white/black chips are place...

6 years ago

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Weave two matrices together to form one matrix
Take the first column from matrix a, then insert the first column from matrix b, and so on. For example: a = [1 2 3 4]; b ...

6 years ago

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Check if a rotated array was originally sorted
Suppose a sorted array is rotated at some pivot unknown to you. For example, |[0 1 2 4 5 6 7]| might become |[5 6 7 0 1 2 4]|. ...

6 years ago

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S-T-R-E-T-C-H I-T O-U-T
You will be given a row of numbers (x), and a single number (n). Your job is to write a script that will stretch out the row of...

6 years ago

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Zero Cross
Write a function that counts the number of times n a signal x changes sign. Examples x = [1 2 -3 -4 5 6 -7 8 -9 10 11] ...

6 years ago

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Find longest run
Write a function longest_run that takes as input an array of 0's and 1's and outputs the length and index of the longest consecu...

6 years ago

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Look Up Mapping
Let the input is A = {[] [] [] [1] []}; B = {'A','B','C','D','E'}; Mapped Output = 'D';

6 years ago

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Assignment Problem
Given a matrix where row i corresponds to person i, and column j corresponds to task j and cell (i,j) corresponds to the time ta...

6 years ago

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generate number in particular way
A = [1 5 2 7]; MAX = 10; generate a array Y = [1 2 2 2 2 2 3 3 4 4]; i.e. total eleme...

6 years ago