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Dots in a Diamond
Return how many <http://en.wikipedia.org/wiki/Diamond_cubic Diamond Cubic> lattice grid points there are inside a 3D sphere of r...

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Functionality 1
It's all about functionality. *Cheating is allowed but not required*

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Square Patterns in a square matrix

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Number Puzzle - 117

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A quadrant matrix
Write a function called quadrants that takes as its input argument a scalar integer named n. The function returns Q, a 2n-by-2n ...

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Try and Catch Simple Example
Try and Catch Simple Example <http://in.mathworks.com/help/matlab/ref/try.html Example> Vector x=[1 4 6 8 10]; Create...

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Sky full of stars - 03
draw the following pattern with asterisks. For example, for n=6 '************' '***** *****' '**** ****' ...

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Tell your secret
A secret can be told only to 2 persons in 5 minutes. Now, these 2 more persons can spread the secret to 4 other people in the ne...

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Person of interest?
given a person_of_interest, what is his_name?

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Period of a pendulum
Consider a small object hanging on a massless thread and pulled back from equilibrium at a small angle. Assuming that the pivot ...

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Easy Sequences 21: Combinatorial Summations
Create the function S(n), defined by the following summation: The symbol is the combination f...

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Easy Sequences 18: Set Bits of Triple Summations
The function S(n) is defined by the following triple summations: The double brackets mean that th...

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Easy Sequences 24: Number of Coprime Lattice Points
Given a number 'n', you were tasked to mark and count all coprime lattice points at the first quadrant bounded by the points (0,...

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Histogram of histogram
Histogram of histogram (HoH) is a useful measure concerning the distribution of random data, which has diverse applications in d...

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Eliminate Outliers Using Interquartile Range
Given a vector with your "data" find the outliers and remove them. To determine whether data contains an outlier: # Identi...

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capable husband?
* The prospective husband must pass a background check, * and *functions* faithfully, as suggested by <http://www.mathworks.com...

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Test of Quiz
Answer the questions and write in vector. Only one answer is correct. The founder of fuzzy logic is 1a) D. Golberg 1b)...

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Calculate the Distance to Source of Lightning
Lightning discharge heats air rapidly with lightning channels reaching temperatures of up to 50,000 degrees Fahrenheit (which is...

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Display negative numbers
Given array,x, display all the negative numbers and display output as y. Example x=[1 -2 3 -4] , output is y=[-2 -4].

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Nth root
Nth root of a number x

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find a specific element from an matrix
Find the element from matrix which is in 2nd row and 3rd column.

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find "greatest common divisor" of two integer value
A function to find Greatest Common Divisor of two integer input E.G. x=-18 y=96 output should be +6 x=-18; y=96; >>your...

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Travelling Salesman Problem (TSP)
Find a short way through given points. This is the travelling salesman problem. But the solution should be a fast and small func...

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A sequence of Ones
You are given number(s) with all digits - 1. Your answer will depend on the count of 1 in the given number, for example - x1...

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Diagonal & Anti-Diagonal Matrix: Easy
Create a matrix as shown below from "magic" square. For example: if input x=9;then use mgic(x) and create the matrix...

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Find the next square number
Given one or more integers n, find the next integer that is a square, for each of them. Example 1: n = 1; out = 4; ...

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The rabbit problem
Suppose a newly-born pair of rabbits, one male, one female, are put in a field. Rabbits are able to mate at the age of one month...

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Repeat string n times
You will be provided a string (s = 'string1_') a starting point (num1 = 6) (always bigger than or equal to zero) and n (n = 3)...

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tetration
About tetration.

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Compound Interest: Interest Rate
Theorem : Compound Interest where, F : Future value at the end of n periods P : Present value r : Annual nominal rate n :...

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