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Feeds
A résolu
Nearest Numbers
Given a row vector of numbers, find the indices of the two nearest numbers. Examples: [index1 index2] = nearestNumbers([2 5 3...
environ 7 ans il y a
A résolu
Target sorting
Sort the given list of numbers |a| according to how far away each element is from the target value |t|. The result should return...
environ 7 ans il y a
A résolu
Return the largest number that is adjacent to a zero
This example comes from Steve Eddins' blog: <http://blogs.mathworks.com/steve/2009/05/27/learning-lessons-from-a-one-liner/ Lear...
environ 7 ans il y a
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The Goldbach Conjecture
The <http://en.wikipedia.org/wiki/Goldbach's_conjecture Goldbach conjecture> asserts that every even integer greater than 2 can ...
environ 7 ans il y a
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Bullseye Matrix
Given n (always odd), return output a that has concentric rings of the numbers 1 through (n+1)/2 around the center point. Exampl...
environ 7 ans il y a
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Rubik's Cube: 30 Moves or Less : Minimum Moves
This Challenge is to solve a thoroughly scrambled Rubik's cube in the least moves (30 moves max). Rubik's Cube can be solved ...
environ 7 ans il y a
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Wayfinding 4 - Crossing, level 2
This is the fourth part of a series of assignments about wayfinding. The final goal of this series is to be able to calculate th...
environ 7 ans il y a
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Order of things - 3
This problem is closely related to <http://www.mathworks.nl/matlabcentral/cody/problems/2189-order-of-things-1 Problem 2189, Ord...
environ 7 ans il y a
A résolu
BattleShip - Petty Officer (Level 2)
<http://www.conceptispuzzles.com/index.aspx?uri=puzzle/battleships Games Magazine Battleships> is a logic puzzle to find the Fle...
environ 7 ans il y a
A résolu
Rubik's Cube: 30 Moves or Less : Contest Scoring (Time/Size/Moves)
This Challenge is to solve a thoroughly scrambled Rubik's cube with the best score (30 moves max). Score is Moves + Size/2000 + ...
environ 7 ans il y a
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Anyone for tennis? Your chances of winning a tie-break game
Imagine you are playing tennis and the score has reached 'six games all' in a Tie-break Set, so therefore the next game shall be...
environ 7 ans il y a
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Sum of combinations
Input: *X = 40*, *Y = [40 20 10 4]* Output: *Z = [1 0 0 0; 0 2 0 0; 0 1 2 0; 0 1 1 3; 0 1 0 5; 0 0 4 0; 0 0 3 3; 0 0 2 5; 0 ...
environ 7 ans il y a
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Which values occur exactly three times?
Return a list of all values (sorted smallest to largest) that appear exactly three times in the input vector x. So if x = [1 2...
environ 7 ans il y a
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Read a column of numbers and interpolate missing data
Given an input cell array of strings s, pick out the second column and turn it into a row vector of data. Missing data will be i...
environ 7 ans il y a
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Sort a list of complex numbers based on far they are from the origin.
Given a list of complex numbers z, return a list zSorted such that the numbers that are farthest from the origin (0+0i) appear f...
environ 7 ans il y a
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Remove the vowels
Remove all the vowels in the given phrase. Example: Input s1 = 'Jack and Jill went up the hill' Output s2 is 'Jck nd Jll wn...
environ 7 ans il y a
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Summing digits
Given n, find the sum of the digits that make up 2^n. Example: Input n = 7 Output b = 11 since 2^7 = 128, and 1 + ...
environ 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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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...
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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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Who Has the Most Change?
You have a matrix for which each row is a person and the columns represent the number of quarters, nickels, dimes, and pennies t...
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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...
environ 7 ans il y a
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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...
environ 7 ans il y a
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Finding Perfect Squares
Given a vector of numbers, return true if one of the numbers is a square of one of the other numbers. Otherwise return false. E...
environ 7 ans il y a
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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...
environ 7 ans il y a
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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...
environ 7 ans il y a
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Determine whether a vector is monotonically increasing
Return true if the elements of the input vector increase monotonically (i.e. each element is larger than the previous). Return f...
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Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...
environ 7 ans il y a
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Make a checkerboard matrix
Given an integer n, make an n-by-n matrix made up of alternating ones and zeros as shown below. The a(1,1) should be 1. Examp...
environ 7 ans il y a
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Find all elements less than 0 or greater than 10 and replace them with NaN
Given an input vector x, find all elements of x less than 0 or greater than 10 and replace them with NaN. Example: Input ...
environ 7 ans il y a
