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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...

14年以上前

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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...

14年以上前

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Number of 1s in the Binary Representation of a Number
*Description* Return the number of 1s in the (unsigned integer) binary representation of a number. This function should be ab...

14年以上前

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Love triangles
Given a vector of lengths [a b c], determines whether a triangle with non-zero area (in two-dimensional Euclidean space, smarty!...

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Pizza!
Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

14年以上前

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Right and wrong
Given a vector of lengths [a b c], determines whether a triangle with those sides lengths is a right triangle: <http://en.wikipe...

14年以上前

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Check if sorted
Check if sorted. Example: Input x = [1 2 0] Output y is 0

14年以上前

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Weighted average
Given two lists of numbers, determine the weighted average. Example [1 2 3] and [10 15 20] should result in 33.333...

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Column Removal
Remove the nth column from input matrix A and return the resulting matrix in output B. So if A = [1 2 3; 4 5 6]; and ...

14年以上前

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Determine if input is odd
Given the input n, return true if n is odd or false if n is even.

14年以上前

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Find the sum of all the numbers of the input vector
Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

14年以上前

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Make the vector [1 2 3 4 5 6 7 8 9 10]
In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

14年以上前

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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 ...

14年以上前

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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...

14年以上前

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Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

14年以上前

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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. Example...

14年以上前

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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 ...

14年以上前

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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...

14年以上前

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Too mean-spirited
Find the mean of each consecutive pair of numbers in the input row vector. For example, x=[1 2 3] ----> y = [1.5 2.5] x=[1...

14年以上前

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Solve the Sudoku Row
*Description* A simple yet tedious task occurs near the end of most Sudoku-solving algorithms, computerized or manual. The ta...

14年以上前

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wait for me
wait exactly x seconds please, need not be more than 2 seconds but must be accurate within say 50 milliseconds, your function mu...

14年以上前

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High school cafeteria
Given an input vector of positive integers, return a row vector with the primes first (in increasing order) and the composites n...

14年以上前

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Least common multiple of many numbers
1:6 -> 60

14年以上前

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Increment a number, given its digits
Take as input an array of digits (e.g. x = [1 2 3]) and output an array of digits that is that number "incremented" properly, (i...

14年以上前

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The Hitchhiker's Guide to MATLAB
Output logical "true" if the input is the answer to life, the universe and everything. Otherwise, output logical "false".

14年以上前

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given 3 sides, find area of this triangle
1:3 -> 0; 3:5 -> 6

14年以上前

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surface of a spherical planet
you just discovered its circumference, that is the input.

14年以上前

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Cannon Ball
Given g (acceleration due to gravity) and desired altitude x, find the minimum ground velocity of a cannon ball to reach x.

14年以上前

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All your base are belong to us
Find the base _b_ logarithm of the input decimal number _x_. Express the output as a decimal number. The first argument is the n...

14年以上前

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Remove DC
Input x is the sampled signal vector, may have both AC and DC components. Output y should not contain any DC component. Examp...

14年以上前