Solved

Mo money, mo math #2! (★★★)
(adapted from Prob 9 Cody team) You have a matrix for which each row is a person and the columns represent the number of quar...

2 years ago

Solved

Get the combinations
Consider p,q = 2 vectors of same or different length. Get a Output Array which has all the possible combinations of Elements o...

2 years ago

Solved

Return the sequence element II
Given positive integers x and n, return a positive integer, y, which is the nth term in the <https://en.wikipedia.org/wiki/Juggl...

2 years ago

Solved

Create array of all Distances between two Sets of Points
This Challenge is a subsection of Martian Pranks based on Tim's efficient Distance calculation between sets of points. Given Po...

2 years ago

Solved

Distance Between Points
Being n the number of points (If n = 3 there would be 3 points: A, B and C). The distance between each pair of points increases...

2 years ago

Solved

Pairwise column flip
Given matrix *M_in*, flip every pair of columns. So if *M_in* is 1 2 3 4 1 2 3 4 then *M_out* is 2 1 4 3 2 1 4 3 ...

2 years ago

Solved

Area-02
Given the radius of the circle inscribed in a square, find the area of the square that can be fitted perfectly in the corner. ...

2 years ago

Solved

Cycling — Normalized Power
In cycling, a power meter is an indispensable tool to record power output (in Watts) and measure fitness gains and performance m...

2 years ago

Solved

Map all the indices of an Array Indices into a Vector giving Index vs Row and Column
Create an array of the row and column values for the indices of an array. This is typically performed using [r c]=ind2sub(siz...

2 years ago

Solved

Apply a function array to an array of numbers
It is required to apply a cell array of functions to a numerical array, where the functions accept only scalar inputs. Exampl...

2 years ago

Solved

Secret Message and Acrostic
One of the simplest ways to hide a message involves utilizing uppercase letters. Given a text, collect all uppercase letters in...

2 years ago

Solved

remove nans fast
There are several ways to locate and remove nans in a matrix, and return an 1d row vector. In this problem the challenge is ...

2 years ago

Solved

Non-zero bits in 10^n.
Given an integer that is a power of 10, find the number of non-zero bits, k, in its binary representation. For example: n = 1,...

2 years ago

Solved

Draw Letter 'L'

2 years ago

Solved

Taxicab distance

2 years ago

Solved

number play

2 years ago

Solved

Sum of Arithmetic Progression
Given the starting number, difference and the number of terms - find the sum of the arithmetic progression.

2 years ago

Solved

String Logic 13
Examples: 'CAT' --> 'TCA' 'DOG' --> 'OGD' 'ROSY' --> 'YSRO' 'MOSTLY' --> 'YTSOML'

2 years ago

Solved

Area of a triangle given its sides

2 years ago

Solved

Simple spirometer - find your lung capacity from the number and size of soap bubbles in one breath
Assumed that each bubble has practically the same diameter d. Given total number n of bubbles. Find volume v of breath.

2 years ago

Solved

Generate one sample of uniform random numbers between -pi and +pi
Generate one sample of uniform random numbers between -pi and +pi.

2 years ago

Solved

Check if a number belongs in the fibonacci squence
Test if integer i is a number in the fibonacci sequence. Return true if it is.

2 years ago

Solved

Cycling — Critical Power
From Training and Racing with a Power Meter by Allen and Coggan: "A number of equations have been presented in the scientific...

2 years ago

Solved

X plus binary inverted x
Given a n-bits number x, what is the sum of x to the binary inverted version of x? (this might be more simple than you think :-)...

2 years ago

Solved

Simple sum 1

2 years ago

Solved

Find the area of a triangle having vertices (A,B), (C,D), and (E,F)
Find the area of a triangle using if we have the three vertices of the triangle

2 years ago

Solved

Tridiagonal matrix
Given vectors u and v, make a tri-diagonal symmetric matrix such that u is in the main diagonal and v is below and above diagona...

2 years ago

Solved

Cos x
Retorne o cosseno de x, onde x está em radianos

2 years ago

Solved

Número de elementos do array
Retorne o número de elementos de um array

2 years ago

Solved

Valor absoluto de x
Dado uma entrada x, retornar o seu valor absoluto

2 years ago