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Is this a valid Tic Tac Toe State?

For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

5 days ago

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OXO counting

Count the number of occurrences of "OXO" in rows, columns, diagonals and anti-diagonals. Example: >> board = ['OOX' ...

5 days ago

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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....

5 days ago

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Volume of a Simplex

Return the volume of a <http://en.wikipedia.org/wiki/Simplex regular _n_-simplex> with a unit side length. Results are up to...

5 days ago

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Edges of a n-dimensional Hypercube

Return the number of edges on an <http://en.wikipedia.org/wiki/Hypercube _n_-dimensional hypercube> (with an integer n ≥ 0). ...

5 days ago

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RISK Calculator - Large Armies, High Accuracy, Fast

This Challenge is to quickly provide the high precision probability of legal RISK battles up to 100 vs 100. [ Attack >= 2 and D...

5 days ago

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RISK board game battle simulation

Given two positive integer inputs, a (attacker army units) and d (defender army units) return the probablity of victory (from 0....

5 days ago

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The cake is a lie...

You're hosting a birthday party with a large number of screaming children. Fortunately, you have a gigantic sheet cake in front...

7 days ago

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Pancakes for everyone!

Accordingly to the <http://nl.mathworks.com/matlabcentral/cody/problems/42460-the-cake-is-a-lie problem 42460>. All the children...

7 days ago

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Under the sea: Snell's law & total internal reflection

<https://en.wikipedia.org/wiki/Snell's_law> When a light travels from one medium to another medium, depending on the refracti...

7 days ago

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Probability of red tulips (at both ends of a row)

I planted tulip bulbs in a row on my flower bed. I thought that I had planted white tulips all. However, later, it turned out t...

7 days ago

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If you prick us, do we not bleed?

While doing some quick sewing to fix up your child's Halloween costume, you accidentally jab your finger with the needle. Refle...

7 days ago

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Does the coin touch the line?

If we throw a coin that has a diameter of d, its center will land in a grid n x m. What is the probability that the coin land...

7 days ago

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Baseball Pitch Question

One pitcher made 10 practice pitches during his warm up before the game. Using the given information, create a vector matrix an...

7 days ago

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Corresponding ASCII code.

Given the number, the output will show the corresponding ASCII code.

7 days ago

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Annual Salary

What is the annual salary of Mr. Cody if he works 40 hours a week and gets $x per hour and a yearly bonus of $2000? (Let, 50 wee...

7 days ago

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Get me! v3

A harder version of Get me! I *think* I only left one door open.. we could be close to a perfect anti-cheating engine,

8 days ago

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Group-wise Euclidean distance

*Input*: * *x* —— An array of size *n-by-d*, where each row vector denotes a point in a d-dimensional space; * *g* —— A gro...

9 days ago

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Lambert's W

Matlab cody does not support lambertw. Try to create a lambert's w function yourself. Lambert's W is the function that solves...

9 days ago

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Fast 1-D Convolution (valid shape)

Pursuant to the first problem in the <http://www.mathworks.com/matlabcentral/cody/?term=Fast+1-D+Convolution fast 1-D convolutio...

9 days ago

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Fast 1-D Convolution (same shape)

Pursuant to the first problem in the <http://www.mathworks.com/matlabcentral/cody/?term=Fast+1-D+Convolution fast 1-D convolutio...

9 days ago

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Fast 1-D Convolution (full shape)

This is the first problem in the <http://www.mathworks.com/matlabcentral/cody/?term=Fast+1-D+Convolution fast 1-D convolution se...

9 days ago

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Win all the time!

This is a 2-players game. One of them is your algorithm. Your algorithm must win in all games. In this game there are 3 rows...

10 days ago

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Toads and Frogs Puzzle 2

On a two-dimensional board with 2n + 1 rows and 2n + 1 columns, all (2n + 1)^2 positions of the board, except the central one, a...

10 days ago

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Compute the perimeter of an ellipse

While the area of an ellipse is straightforward to compute, the perimeter (or circumference) is more complicated. The perimeter ...

11 days ago

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Find edges from a vertex

First input is T, a triplet list of indices. Second input is i, a single index (positive integer). The goal of this function is ...

11 days ago