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Rule of mixtures (composites) - upper bound
The <http://en.wikipedia.org/wiki/Rule_of_mixtures rule of mixtures> is used in the mechanical design of composite structures to...

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NCHOOSEK - Time Optimization
*Input* * *V* —— Set of all choices, a vector of N, 1 < N < 100 * *K* —— Number of selected choices, a scalar, 0 <= K <=...

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Chess probability
The difference in the ratings between two players serves as a predictor of the outcome of a match (the <http://en.wikipedia.org/...

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remove numbers from a string
check the given string for any numbers.in case one is found,remove it.but the two portions should be separated. if more than one...

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find location of indexes

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S-T-R-E-T-C-H I-T O-U-T
You will be given a row of numbers (x), and a single number (n). Your job is to write a script that will stretch out the row of...

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Make a Plot with Functions
Make a plot and test

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means
Calculate the arithmetic, the geometric and the harmonic mean of a given vector (with positive elements) and return them in a ve...

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Find offset of given matrix element from first matrix element
Given matrix m and an element of that matrix, return the offset from its first element. e.g. m=[11 2 34; 40 51 6; 87 8 109] el...

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number of groups
In a classroom, *n* students work on a special project and the other students work in groups of five. If there are 18 students i...

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Combination of Vectors
Return a combination of vectors x1, x2 based on y1, y2 per: x(j) = 0 if y1(j) < y2(j) x(j) = x1(j) if y1(j)...

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Repeat Vector Values an Arbitrary Number of Times
Given two vectors of the same size, repeat the values of the first vector the number of times given in a second vector. For exam...

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Sort an array of structures
You need to sort an array of structures based upon *a numeric first field*: For example : a.n=1; a.name='a'; b.n=3...

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Narcissistic problem
How many likes has this problem?

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Reduce the logic
We have three logical input, x,y and z. The output is: y = ((x&y)|z)&((z|x&y)|(z&y|x))|((x&z)|z)&((y|x&z)|(z&x|y))|(x|y|z) ...

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Find smallest number to leave a remainder of 1
given a vector of numbers, find the smallest number to be divisible by all of them with a remainder of 1. Note: input numbers wi...

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Diagonal Pattern
For a positive integer |n|, return an |nXn| matrix |mat| such that the value of each element in row |i| and column |j| is given ...

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Vector pop
Take |n| elements from the end of the vector |v| and return both the shorten vector |v| and the |n| elements in a separate vecto...

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Toeplitize a matrix
Similar to <http://www.mathworks.com/matlabcentral/cody/problems/3094-hankelize-a-matrix Problem 3094. Hankelize a matrix>, now ...

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nanoseconds passed today
Calculate the amount of nanoseconds passed in the current day of a certain date string.

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How lucky r u ?
Find the nth number in the following sequence <https://oeis.org/A264940>

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Whole Number Un-Concatenator
Write a function that accepts an integer and an index digit and returns a vector containing two integers which are the leading a...

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Project Euler 249: Prime Subset Sums
Inspired by Problem 249 of Project Euler. <https://projecteuler.net/problem=249> Let S = {2, 3, 5, ...} be the set of prime ...

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Deleting Specific part.
if input is x= { /*[0..10]*/ 0, 11, 21, 31, 41, 55, 50, 10, 810, 9.10, /*[10...25]*/ 100, 110, 120, 130, 140, 255 ...

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Insert Special character in character cell array.
input={'a','b','c'} then ans={'a','*','b','*','c'}

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Modified run-length companion vector
Given a vector x, return a vector that indicates the run length of any value in x. Each element in output vector shows how many ...

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How to get the additive inverse of a uint8.
Given x as a uint8 find the additive inverse y.

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Análisis código QR

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Intercambiar columnas

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Intercambiar columnas - UC3M

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