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Find the centre of an arc and its radius
Given two points on an arc (x0,y0) and (x1,y1) and the angle between them, alpha. Return the centre of the circle and the radiu...

4 years ago

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Spot the outlier
All points except for one lie on a line. Which one is the outlier? Example: You are given a list of x-y pairs in a column ...

4 years ago

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Convex Hull Capture
Imagine four points in uv that form a square. uv = [ ... 0,0; 0,2; 2,2; 2,0]; Now we have two more po...

4 years ago

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Invert a 3D rigid-body transformation
Given an SE(3) matrix representing a rigid-body motion, compute its inverse without using |inv()| or |pinv()| .

4 years ago

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Top of the Hour : Return from your routine within 1 second of the hour
*Top of the Hour* Submit your routine such that it returns to Cody after the hour and within 1 second of the hour. The tes...

4 years ago

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Can the knight take out the pawn?
* position of knight = k * position of pawns = p can the knight take out those pawns? * k='Nf4' * p={'g6','g7'} then...

4 years ago

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Knight's Tour Checker
Given a matrix a, determine whether or not a legal <http://en.wikipedia.org/wiki/Knight's_tour knight's tour> is present. The kn...

4 years ago

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How many bytes an audio requires from RAM?

4 years ago

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Grouped Frequency Distributions

4 years ago

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Design a tubesheet for shell-and-tube heat exchangers
<<https://3.bp.blogspot.com/-kLSbhcCoT2I/WJIh-QVGLGI/AAAAAAAADEs/svvMzBqn4fUfI1rTCCH7Uw-QuDvxx0PxACLcB/s1600/Screenshot_669.jpg>...

4 years ago

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Pixel density
<https://en.wikipedia.org/wiki/Pixel_density Pixel density> tells us how many pixels we can find within a unit of length. And a...

4 years ago

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How many bytes an image requires from RAM?

4 years ago

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Determine whether a given point is inside or outside a polygon
A closed polygon may be described by an N x 2 array of nodes, where the last node and the first node are the same. Each row of t...

4 years ago

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3n + 1 Problem (a.k.a The Collatz Conjecture)
The 3n + 1 problem (a.k.a The Collatz Conjecture) Consider the following algorithm to generate a sequence of numbers. Start wit...

4 years ago

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How many days does the cat take to climb out of the hole?
A cat accidentally falls down a hole with sloping but rough sides. It can climb out of the hole of height h metres, but for ever...

4 years ago

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Find the peak 3n+1 sequence value
A Collatz sequence is the sequence where, for a given number n, the next number in the sequence is either n/2 if the number is e...

4 years ago

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Remove Missing Values from a Table or an Array
Remove missing entries from an array or table. If A is a vector, then remove any entry that contains missing data. If A is a mat...

4 years ago

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Maya long Count
Given a Mayan date, calculate the number of days after the end of the last Great Cycle. <https://en.wikipedia.org/wiki/Maya_c...

4 years ago

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Find the area between curves (P3)

4 years ago

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Euclidean distance from a point to a polynomial
A not uncommon problem in the area of computational geometry is to find the closest point to a straight line from a given point,...

4 years ago

Question

Java Big Integer Value
I was working with BigIntegers to solve a problem on Cody, where I got stuck upon something. import java.math.* BigInteger(10)...

4 years ago | 1 answer | 0

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Vector to Decimal
Given an integer vector , return its decimal representation as a character array. % Examples v = 7 x = '7' % v = [4 2] x...

4 years ago

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Hackathon: the beginnings
I am thinking of a number between 1 and 10000... can you guess what this number is? *Description* The test suite has rando...

4 years ago

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Create array of all Distances between two Sets of Points
This Challenge is a subsection of Martian Pranks based on Tim's efficient Distance calculation between sets of points. Given Po...

4 years ago

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Square Patterns in a square matrix

4 years ago

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Find left eigenvector of row stochastic matrix
Find the left eigenvector of the given stochastic matrix P that has eigenvalue 1. Normalize the vector so the sum of the entri...

4 years ago

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MinMax mapping
Given a matrix, map all the elements within a given interval. For example, a=[ 2 5 10] mapped in the interval [1,2] ...

4 years ago

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Create a figure and plot data
Given two data vectors (x,y), open a new figure and plot the data. Return the figure handle.

4 years ago

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How many points lie within the rectangle and how many aren't?
Suppose, you are given the coordinates of bottom-left and top-right corners of a rectangle as *input-1, R* i.e *R=[Bottom-left c...

4 years ago

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Palindromic Prime
Palindromic Prime is a prime number that is also a palindromic number. (Wiki, OEIS) If given a monotonic series (increment=1) ...

4 years ago