Risolto

Factorize THIS, buddy
List the prime factors for the input number, in decreasing order. List each factor only once, even if the factorization includes...

circa 2 anni fa

Risolto

Get all prime factors
List the prime factors for the input number, in decreasing order. List each factor. If the prime factor occurs twice, list it as...

circa 2 anni fa

Risolto

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...

circa 2 anni fa

Risolto

Mersenne Primes
A Mersenne prime is a prime number of the form M = 2^p - 1, where p is another prime number. For example, 31 is a Mersenne prim...

circa 2 anni fa

Risolto

Sophie Germain prime
In number theory, a prime number p is a *Sophie Germain prime* if 2p + 1 is also prime. For example, 23 is a Sophie Germain prim...

circa 2 anni fa

Risolto

Find Closest Constant
Given a number x, return the value that is closest to x from this list of constants: 0, 1, , e, , (also known as ). For exampl...

circa 2 anni fa

Risolto

Generate this matrix
Generate the following matrix. n = 2; out = [-4 -3 -2 -1 0 -3 -2 -1 0 1 -...

circa 2 anni fa

Risolto

Create an arrow matrix
An arrow matrix is a square matrix that contains ones on the diagonal, the last column, and last row. ...

oltre 2 anni fa

Risolto

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

oltre 2 anni fa

Risolto

Convert a numerical matrix into a cell array of strings
Given a numerical matrix, output a *cell array of string*. For example: if input = 1:3 output is {'1','2','3'} whic...

oltre 2 anni fa

Risolto

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

oltre 2 anni fa

Risolto

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...

oltre 2 anni fa

Risolto

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. <<https://imgur...

oltre 2 anni fa

Risolto

Side of a rhombus
If a rhombus has diagonals of length x and x+1, then what is the length of its side, y? <<https://imgur.com/x6hT6mm.png>> ...

oltre 2 anni fa

Risolto

Area of an equilateral triangle
Calculate the area of an equilateral triangle of side x. <<https://i.imgur.com/jlZDHhq.png>> Image courtesy of <http://up...

oltre 2 anni fa

Risolto

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...

oltre 2 anni fa

Risolto

Find the minimum of the column-maximums of a matrix
Given a matrix A, find the maximum value of each column, then return the smallest of those maximum values (ie return the minimum...

oltre 2 anni fa

Risolto

Calculate the mean of each half of a matrix
Given a matrix with an even number of columns, n, return a 1-by-2 row vector where the first element is the mean of all the elem...

oltre 2 anni fa

Risolto

Matrix Quadrants
Write a function that takes N as the input, and outputs a matrix whose upper-left (NxN) quadrant contains all ones, the lower-ri...

oltre 2 anni fa

Risolto

Create a cell array out of a struct
Create a cell array out of a (single) struct with the fieldname in the first column and the value in the second column: in: ...

oltre 2 anni fa

Risolto

Cell joiner
You are given a cell array of strings and a string delimiter. You need to produce one string which is composed of each string fr...

oltre 2 anni fa

Risolto

Sum of series IX
What is the sum of the following sequence: Σ 1/k! for k=1...n for different n?

oltre 2 anni fa

Risolto

Sum of series VIII

oltre 2 anni fa

Risolto

Sum of series
a(n) = n^2 - (n-1)^2 find the summation of the series upto n i.e. a(1)+a(2)+...+a(n)

oltre 2 anni fa

Risolto

Sum of series VI
What is the sum of the following sequence: Σk⋅k! for k=1...n for different n?

oltre 2 anni fa

Risolto

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

oltre 2 anni fa

Risolto

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?

oltre 2 anni fa

Risolto

Sum of series III
What is the sum of the following sequence: Σ(2k-1)^3 for k=1...n for different n?

oltre 2 anni fa

Risolto

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

oltre 2 anni fa

Risolto

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

oltre 2 anni fa