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all possible subsets of set
Given a vector, return all possible subsets of the vector in a cell array. Properties of basic set theory is assumed to be valid...

11 years ago

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Find out sum and carry of Binary adder
Find out sum and carry of a binary adder if previous carry is given with two bits (x and y) for addition. Examples Previo...

11 years ago

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The Number of Ways
Find all the possible ways to reach the end of a matrix. So given [a b c d] the possible ways [a c],[a d],[b c],[b ...

11 years ago

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Find the longest match inside two strings
Given two strings, find the longest string which is contained within both strings. e.g. the longest string that is contained ...

11 years ago

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N-Dimensional Sorting
Given two N-dimensional matrices A and B, first sort A in increasing order and then sort B with respect to the index of A. Y...

11 years ago

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Best Fit RMS
Given a set of data as x and y, find the <http://en.wikipedia.org/wiki/Root_mean_square RMS> value between the data and its best...

11 years ago

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Create matrix with common dates from a number of structs -inner join on dates
Do an "inner join" (as in SQL) on a number of structs where the ".date" is the date and the ".ts" the timeseries. The join is on...

11 years ago

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Broken numlock key, oppps !
The numlock key on my computer is pressed and is now broken, so I cant press it to switch off the numlock mode. And hence I am n...

11 years ago

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Order of things - 1
Let's assume you have a number of calculations to perform, that depend on each other. E.g. 'A' can be calculated, once the outco...

11 years ago

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False position (linear interpolation) method of finding a root.
Test the false position algorithm described in Chapter 5 of Steven C. Chapra's textbook, *Applied Numerical Methods with MATLAB ...

11 years ago

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SET (the card game)
<http://www.setgame.com/set/index.html SET> is a card game in which players try to find valid 3-card sets from 12 cards on the t...

11 years ago

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Assign matrix rows/columns to separate variables
This is a slight variant of <http://www.mathworks.com/matlabcentral/cody/problems/2668-assign-matrix-elements-to-separate-variab...

11 years ago

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Operate on matrices of unequal, yet similar, size
You may want to add a vector to a matrix, implying that the vector is added to each column of the matrix. Or multiply a 3x4x5 ma...

11 years ago

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REPMAT Enhancement - Faster for Large Row Replication of Vector
The Challenge is to modify repmat.m to maintain all of its normal functionality and enhance its performance for large row replic...

11 years ago

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Give a matrix that matches itself when rotated
Given n and s, return a n-by-n matrix a of integers such that sum(sum(a == rot90(a))) is equal to exactly s. The integer...

11 years ago

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Play Tic-Tac-Toe: Easy Bots
Interactive Tic-Tac-Toe game versus the test suite algorithms. The contest will be 50 games of Computer first and 50 games of...

11 years ago

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Error handling
If the input is a negative number, generate an error. Otherwise, return the number.

11 years ago

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Reassign cell contents to empty variables, preserving cell content data type
Given a cell array C, return a cell array D with the following specifications: 1. D has the same size as the input C. 2. E...

11 years ago

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LIFO Validation
Write a function to check whether a LIFO (Last In First Out) restriction on inventory is violated. We have two input vectors ...

11 years ago

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Get ranking of a combination looking for speed.
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

11 years ago

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Minimum Sum thru a Lower Triangle
This Challenge is to find the minimum cumulative sum that traverses from row-1 thru row-N via vertical/diagonal adjacent element...

11 years ago

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Primes Faster for Large N
This Challenge is to improve the "primes" function for speed. This may be accomplished by fixing memory usage. The Matlab fun...

11 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...

11 years ago

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Nakagami fading channel?
In 2013b,there are many fading channels,but I have not find Nakagami fading channel. my problem is how to build a Nakagami fad...

11 years ago

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Nakagami fading channel?
In 2013b,there are many fading channels,but I have not find Nakagami fading channel. my problem is how to build a Nakagami fad...

11 years ago

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Assign matrix elements to separate variables
Given an input array, return each element of the array as a separate variable. If the number of output arguments (k) is less tha...

11 years ago

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Determine which fields have been modified in a structure
Given two input structures (s1, s2), determine which field values have been modified in s2 compared to s1. Your output should be...

11 years ago

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Poker Card Deal!
Anyone want to play a card game? Well this is making one deck of cards, with the option of using 2 jokers. The outputs are ...

11 years ago

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Create different color vectors.
When producing figures with multiple lines on, you often want the lines to all be visible and different colors. Given the need f...

11 years ago

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Knights and Knaves (part 3)
_This is a Matlab adaptation of the_ <http://en.wikipedia.org/wiki/Knights_and_Knaves Knives and Knaves> _logical puzzles_. ...

11 years ago