# Nikolaos Nikolaou

Physics , Wholesale auctions , Crypto Mining , Renewable Energy

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**Content Feed**

Solved

Find all prime factors of the input

Given an input x, find its all prime factors. Return the vector with all factors in ascending order. Efficiency is the key here...

1 jour ago

Solved

Find distance travelled by an object starting from rest in time 't' and linear acceleration 'a' = 3t

Find distance travelled by an object starting from rest in time 't' with linear acceleration a = 3t. You are given time t as an ...

1 jour ago

Solved

Draw 'W'

For any given n, return a matrix of height n and width 4n-3 containing a W of ones. Example: n=2 ans= [1 0 1 0 1 0 1 0 1 0...

1 jour ago

Solved

Vector slither sort!

Sort a numeric vector in the following format: [largest value, smallest value, second largest value, second smallest value, etc...

1 jour ago

Solved

determine skid distance of car

Determine the distance a car skids to a stop given initial velocity (v) and time (t).

1 jour ago

Solved

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...

1 jour ago

Solved

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...

1 jour ago

Solved

Determine if x is a combination of m and n

Given positive integers x, m, and n, determine if x can be written as x = am + bn for any (non-negative) integers a and b. Your ...

1 jour ago

Solved

Calculating Student Grades

The matrix grades contains raw grades for 7 students who took your course. Each row represents a different student. The first 7 ...

2 jours ago

Solved

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...

2 jours ago

Solved

Create an arrow matrix

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

2 jours ago

Solved

Simpson's Paradox - Calculate correlation coefficients for groups of data

Simpson's Paradox is a statistical phenomenon where groups of data can have a characteristic while the whole data set together h...

2 jours ago

Solved

Dog Statistics

The vectors ht and wt contains the heights and weights of 20 golden retrievers. In some cases, it was not possible to make both ...

2 jours ago

Solved

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...

2 jours ago

Solved

Définir une fonction creneau

Definr une fonction "creneau" qui prend en entrée un vecteur et renvoie la valeur 1 pour chaque élément positif du vecteur et...

8 jours ago

Solved

Caracteres Unicos

Dada uma string, verifique se a string é composta de caracteres únicos, ou seja, nenhuma letra se repete. Retorne true ou false;...

8 jours ago

Solved

Basic Mathematics 3

It was announced during a Robotics Competition kick off that two of the trickiest scoring objects are: soup cans, and beach ball...

8 jours ago

Solved

Function substitution (1)

Evaluate the function for the given values of the variables N and t

24 jours ago

Solved

Array Concatenation (2)

Given two matrices, a and b, concatenate the two matrices vertically, i.e., the number of rows of the result should be equal to ...

24 jours ago

Solved

Array Concatenation (1)

Given two matrices, a and b, concatenate the two matrices horizontally, i.e., the number of columns of the result should be equa...

24 jours ago

Solved

Find the remainder - 02

Given an array of integers, find the remainder when the summation of all the elements is divided by N

25 jours ago

Solved

Find the force required to support a lever

Students are designing a robot that will lift a block to the equilibrium position for transport to the scoring area. They have d...

25 jours ago

Solved

Coefficient of Kinetic friction

A robot exerts a F1 lb. force horizontally on a W lb. crate across a concrete floor at a constant speed. What is the coefficien...

26 jours ago

Solved

Calculate the acceleration of a crate

What is the acceleration of a crate if two robots apply F1 N and F2 N of force respectively and a frictional force of FR N acts ...

26 jours ago

Solved

Coefficient of Sliding Friction

A weight of W1 N rests on a horizontal plane. The plane is gradually inclined until at an angle θ = Ao with the horizontal, the ...

26 jours ago

Solved

Coefficient of Static friction

The coefficient of static friction between two surfaces is u. What force must be used to move a W lb. crate on a horizontal sur...

26 jours ago

Solved

Linear Motion 1

An object travels N feet in the first second of travel, N feet again during the second second of travel and N feet again during ...

26 jours ago

Solved

Linear Motion 2

During testing in the desert, a remotely operated vehicle travels D kilometers over rough terrain. The testing takes place over...

26 jours ago

Solved

Linear Motion 3

Suppose a robot is moving in a straight line and steadily increases its speed. It moves from v1 ft/s to v1+2 ft/s in the first ...

26 jours ago