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Swap between first and last
The idea is to swap between first and last row Ex = [1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; ...

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Swap between first and last column
The idea is to swap between first and last column Ex = [1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 ...

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Swap between rows
The idea is to swap between second and second last row Ex = [1 2 3 4 5; 5 4 3 2 1; 1 2 3 4 5; 1 2 3 4 5; ...

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Swap between columns
The idea is to swap between second and second last column Ex = [1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; 1 2 3 4 5; ...

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Beam me up, Scotty!
It's the mid 22nd century. You, Montgomery Scott, are appointed the chief engineer of the Starship Enterprise. The Starship is...

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Toads and Frogs Puzzle
On a one-dimensional board with n + m + 1 cells, there are n counters in the first n cells representing Toads and m counters in ...

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Sherlock Holmes: The Spy Problem
A guest at a party is a spy if this person is not known by any other guest, but knows all of them. There is at most one spy at a...

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Index of neighbor pixel with steepest gradient
Unlike in various applications, where the gradient of a two dimensional matrix is calculated in x and y direction, the gradient ...

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Convert elements in numeric array into different class
Write a function that converts elements in a numeric array into a different class. Example: a = [1:5]; % class: double b...

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Find smallest integer type to accommodate your number
MATLAB supports 1-, 2-, 4-, and 8-byte storage for integer data. Find the smallest integer type to accomodate a scalar integer. ...

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Square Patterns in a square matrix

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Legend of Zelda - Rupee Count
Rupees are the main currency in The Legend of Zelda games. The value of each rupee is determined by its color. Unfortunately, th...

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RGB to CMYK
Convert an RGB code to the corresponding CMYK code for printing. The RGB input is a [1×3] double array between 0 and 1. ...

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Angle bisectors
Given 2 direction vectors, calculate the *_two_ (2) normalized angle bisectors* (which are perpendicular between them). Input...

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Cosine effect in solar power towers

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Dealfun (1.0)
*Short description.* Write a function _dealfun_: [y1,y2,...,yn]=dealfun(fhandle,x1,x2,...,xn) which evaluates the f...

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Trap a knight
Consider a knight on an infinite chessboard labeled with numbers spiraling outward. A knight starting on the square labeled 1 ca...

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Count estrangements
Recently I made a puzzle for my wife that included a cryptogram, which involves an arrangement of the letters A through Z. I use...

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Roman to Integer Conversion
The idea behind this cody problem is to write a code that converts the Roman Numerals to Integers. A numeral system known as R...

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List ways to make a sum in Killer Sudoku
In Sudoku, the subject of several Cody problems, one tries to arrange the digits 1 through 9 in a 9x9 grid of 81 cells (or a 3x3...

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Remove a specific column with min value
Remove the column that contain the min value in the matrix?

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Remove a specific column with max value
Remove the column that contain the max value in the matrix?

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Remove a specific row with min value
Remove the row that contain the min value in the matrix?

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Remove a specific row with max value
Remove the row that contain the max value in the matrix?

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Generate a point cloud named `Incremental Lattice Design`
The input is the number of dimensions M and the parameter H. The output is a point cloud W involving N points. W is N uniforml...

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Compute a sum involving the zeta function
Write a function to compute the sum for , where is the zeta function, the subject of Cody Problems 45939, 45988, and 45997.

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Estimate π from certain values of the zeta function
Cody Problems <https://www.mathworks.com/matlabcentral/cody/problems/2908-approximation-of-pi 2908> and <https://www.mathworks.c...

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Evaluate the zeta function for complex arguments
<https://www.mathworks.com/matlabcentral/cody/problems/45988 Cody Problem 45988> involved computing the Riemann zeta function fo...

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Fraction of a fraction of a ...
One sort of brainteaser problem is a math problem wherein you are asked what the given fraction of a fraction of a ... number is...

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Graph Algorithms - 1 : Length of the largest closed path
An undirected simple graph is given as the form of an adjacency matrix. Find the length of the largest closed path (one that sta...

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