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Most nonzero elements in row
Given the matrix a, return the index r of the row with the most nonzero elements. Assume there will always be exactly one row th...

presque 7 ans il y a

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Return the 3n+1 sequence for n
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...

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Back and Forth Rows
Given a number n, create an n-by-n matrix in which the integers from 1 to n^2 wind back and forth along the rows as shown in the...

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A résolu


Find the numeric mean of the prime numbers in a matrix.
There will always be at least one prime in the matrix. Example: Input in = [ 8 3 5 9 ] Output out is 4...

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A résolu


Remove any row in which a NaN appears
Given the matrix A, return B in which all the rows that have one or more <http://www.mathworks.com/help/techdoc/ref/nan.html NaN...

presque 7 ans il y a

A résolu


Create times-tables
At one time or another, we all had to memorize boring times tables. 5 times 5 is 25. 5 times 6 is 30. 12 times 12 is way more th...

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Fibonacci sequence
Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

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Réponse apportée
Thickness variation estimate from 3D point cloud
If I understand the question correctly you were asking about the thickness variation across whole slab. so I would suggest you t...

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Calculating own distribution of data set
Use histogram for obtaining a distribution function of the data set and then use curve fitting toolbox to estimate the parameter...

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Réponse apportée
How to add transparency to plot3?
Try using sphere funtion instead of plot3 for 3D objects where you can define edge and face alphas seperately. Go to property ed...

presque 7 ans il y a | 1

| A accepté

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Is it really a 5?
A number containing at least one five will be passed to your function, which must return true or false depending upon whether th...

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Pernicious Anniversary Problem
Since Cody is 5 years old, it's pernicious. A <http://rosettacode.org/wiki/Pernicious_numbers Pernicious number> is an integer w...

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Extra safe primes
Did you know that the number 5 is the first safe prime? A safe prime is a prime number that can be expressed as 2p+1, where p is...

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Question


Issue with creating custom antenna element
I tried to create a custom antenna element such as the one listed in the link here. I created top and bottom metal layer by ad...

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réponse

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Circle/Pentagon Overlap
Your function will be provided with the five vertices of a pentagon (p) as well as the center point (cp) and radius (r) of a cir...

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Basic electricity in a dry situation
This is a very hypothetical situation between two individuals in a very dry atmosphere. He came running in rubber boots when...

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Pentagonal Numbers
Your function will receive a lower and upper bound. It should return all pentagonal numbers within that inclusive range in ascen...

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Energy of a photon
Given the frequency F of a photon in giga hertz. Find energy E of this photon in giga electron volts. Assume h, Planck's ...

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A résolu


Van Eck's Sequence's nth member
Return the Van Eck's Sequence's nth member. For detailed info : <http://oeis.org/A181391 OEIS link> and <https://www.theguard...

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A résolu


How to subtract?
* Imagine you need to subtract a few numbers using MATLAB. * You will not be using eval for this task. * Given two ASCII strin...

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A soumis


AreaTri(P1,P2,P3)
Area of a triangle given 3D coordinates of the vertices

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5.0 / 5

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Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

environ 10 ans il y a

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Triangle sequence
A sequence of triangles is constructed in the following way: 1) the first triangle is Pythagoras' 3-4-5 triangle 2) the s...

environ 10 ans il y a

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Find a Pythagorean triple
Given four different positive numbers, a, b, c and d, provided in increasing order: a < b < c < d, find if any three of them com...

environ 10 ans il y a

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Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<http://upload.wikimedia.org/wikipe...

environ 10 ans il y a

A résolu


Dimensions of a rectangle
The longer side of a rectangle is three times the length of the shorter side. If the length of the diagonal is x, find the width...

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Side of an equilateral triangle
If an equilateral triangle has area A, then what is the length of each of its sides, x? <<http://upload.wikimedia.org/wikipe...

environ 10 ans il y a

A résolu


Is this triangle right-angled?
Given any three positive numbers a, b, c, return true if the triangle with sides a, b and c is right-angled. Otherwise, return f...

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A résolu


Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<http://upload.wikimedia.org/wikipedia/commons/e/e0/Equilateral-tr...

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A résolu


Area of an Isoceles Triangle
An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

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