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Find the nearest prime number
Happy 5th birthday, Cody! Since 5 is a prime number, let's have some fun looking for other prime numbers. Given a positive in...

2 months ago

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Can we make a triangle?
Given three positive number, check whether a triangle can be made with these sides length or not. remember that in a triangle su...

2 months ago

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Create a Multiplication table matrix...
Create a product table in this format: P = [ 1 2 3 4 5; 2 4 6 8 10; 3 6 9 12 15; 4 8 12 1...

2 months ago

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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...

2 months ago

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Remove element(s) from cell array
You can easily remove an element (or a column in any dimension) from a normal matrix, but assigning that value (or range) empty....

2 months ago

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Convert radians to degrees
Given input in radians, output to degrees

2 months ago

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Project Euler: Problem 10, Sum of Primes
The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

2 months ago

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Arrange vector in ascending order
Arrange a given vector in ascending order. input = [4 5 1 2 9]; output = [1 2 4 5 9];

2 months ago

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Determine if a Given Number is a Triangle Number
*Description:* Determine if the elements of an input array are triangle numbers and return the result as an array with the sa...

2 months ago

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Alternating sum
Given vector x, calculate the alternating sum y = x(1) - x(2) + x(3) - x(4) + ...

2 months ago

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Rotate input square matrix 90 degrees CCW without rot90
Rotate input matrix (which will be square) 90 degrees counter-clockwise without using rot90,flipud,fliplr, or flipdim (or eval)....

2 months ago

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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...

2 months ago

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Find the next prime number
Find the next prime number or numbers for given n. For example: n = 1; out = 2; or n = [5 7]; out = [7 11]; ...

2 months ago

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Convert a Cell Array into an Array
Given a square cell array: x = {'01', '56'; '234', '789'}; return a single character array: y = '0123456789'

2 months ago

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Sum of series V
What is the sum of the following sequence: Σk(k+1) for k=1...n for different n?

2 months ago

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Sum of series IV
What is the sum of the following sequence: Σ(-1)^(k+1) (2k-1)^2 for k=1...n for different n?

2 months ago

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Matlab Basics - Pick out parts of a vector
Consider x a vector of length >= 7 (there are at least 7 elements in the vector, write a script that extracts the 2nd element, a...

2 months ago

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Volume of a box
Given a box with a length a, width b, and height c. Solve the volume of the box.

2 months ago

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

2 months ago

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Polynomial Multiplication
Multiply two polynomial equation.Given polynomial coefficients a and b.

2 months ago

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Positive Infinity
Round the array a towards positive infinity

2 months ago

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Negative Infinity
Round the given array a towards negative infinity.

2 months ago

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Roots
Find out the roots of a given polynomial equation.Given are the coefficients of the equation.

2 months ago

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Find the dimensions of a matrix
Just find the number of columns of the given matrix. Example x = [1 2 3 4 5 6] y = 2

2 months ago

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Sorted highest to lowest?
Return 1 if the input is sorted from highest to lowest, 0 if not. Example: 1:7 -> 0 [7 5 2] -> 1

2 months ago

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Multiples of a Number in a Given Range
Given an integer factor _f_ and a range defined by _xlow_ and _xhigh_ inclusive, return a vector of the multiples of _f_ that fa...

2 months ago

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radius of a spherical planet
You just measured its surface area, that is the input.

2 months ago

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Transpose
Write a MATLAB script in order to convert a random length row vector (v) into a column vector.

2 months ago

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Find the hypotenuse
Given a and b (the two sides of a right-triangle), find c, the hypotenuse.

2 months ago

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Swap the input arguments
Write a two-input, two-output function that swaps its two input arguments. For example: [q,r] = swap(5,10) returns q = ...

2 months ago