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Why the heck are they blinking!?!?
Merry Christmas everyone! Sadly, the lights you've had on your tree for so many years burned out, and it's time to get a new se...

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Most Frequent Word - 01
Given a document file or a character array, find out the most frequent word in that document. In the case of multiple words -...

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You LOVES Matlab 41%
Given two strings, determine the percentage that one loves the other in the following way: YOU LOVES MATLAB there is 1 '...

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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...

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Sleeping Queens 1
My youngest daughter received a card game named Sleeping Queens for Christmas this year, and has been playing it nearly non-stop...

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Determine when snow started
R.P. Agnew posed the following problem: It starts snowing in the morning and continues steadily throughout the day. A snowplow t...

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How many Christmas presents under the tree?
For many families at Christmas, each family member gives 1 present to every other family member. The main exception is that chil...

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Calculate days until Christmas
Provided with inputs year, month, day e.g. 2019,11,12, calculate the number of days until the next Christmas day, i.e. the next ...

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Remove duplicated vertices
First input V_in is a vertices list (X Y Z coordinates) which may contain duplicata (identical rows). Second input T_in is the ...

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List every vertices neighbor indices
Input T is a triangulation. The purpose of this function is to query at once the cell array N of all vertex neighbor indices......

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Find neighbor triangle indices
First input T is a triangulation (triplet list of indices -positive integers-, each index refering to a vertex number in a corre...

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List one vertex neighbors
First input T is a triangulation connectivity indices list (triplet list of indices -positive integers-, each index refering to ...

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Remove duplicated triangles
Input T is a triangulation (triplet list of indices -positive integers-, each index refering to a vertex number in a correspondi...

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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 ...

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Easy Sequences 50: Blocked Gaussian Integers
A Gaussian Integer is a complex number whose real and imaginary parts are both integers. A gaussian integer is said to be bloc...

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Easy Sequences 38: Prime Number Delta
The Prime Number Theorem states that: where is the prime counting function (number of pri...

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Easy Sequences 14: Consecutive Composites
Generating a given number of consecutive numbers all of which are composites is easy. For example the following is a sequence of...

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Measure the hydraulic conductivity with a constant-head permeameter
A constant-head permeameter is a device for measuring the hydraulic conductivity of a soil sample. In this problem the sample i...

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Sokoban: Puzzle 10.45
The <http://www.game-sokoban.com/index.php?mode=level&lid=16138 Sokoban Site> has many puzzles to solve. This Challenge is to s...

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Relative pose in 2D: problem 1
We consider a world reference frame denoted by {0} which has its x-axis pointing east and its y-axis pointing north. There is a...

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Generate a point cloud named `Simplex-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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Lights Out 1 - 5x5, 3 moves
<https://en.wikipedia.org/wiki/Lights_Out_(game) Lights Out> is a logic game wherein all lights need to be turned off to complet...

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Easy Sequences 40: Quadratic Congruence
Quadratic Congruence is a modular equation of the form: . In this exercise you will be given a vector containing the coefficie...

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Compute a sum of Ramanujan
Srinivasa Ramanujan defined the following function: Write a function to compute for various values of . See also Cody Proble...

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How Far Can You Throw Something?
As you probably learned in your high school physics class, throwing an object at a 45 degree angle will give you the maximum ran...

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Juggling
There is a notation system for <http://en.wikipedia.org/wiki/Juggling jugglers> called <http://en.wikipedia.org/wiki/Siteswap si...

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Bouncing disk
A disk is placed in a rectangular room with dimensions a and b in a point with coordinates x0 and y0. The disk is given a startu...

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jogging?
Imagine x-y coordinate system and you are at the origin and your partner is on the x-axis at some small distance (d) away from y...

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Mechanics 1
I thought I would make a mechanics problem for all those physics lovers out there. Imagine two solid, rigid spheres B1 and B...

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Break it up! Break it up!
You have N pennies. Write a Matlab script that will reveal how many different ways you can break up those pennies. For example...

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