# Wojciech

### Wroclaw University of Science and Technology

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**Content Feed**

Solved

Is the Point in a Triangle?

Check whether a point or multiple points is/are in a triangle with three corners Points = [x, y]; Triangle = [x1, y1; x...

12 days ago

Solved

Find the maximum number of decimal places in a set of numbers

Given a vector or matrix of values, calculate the maximum number of decimal places within the input. Trailing zeros do not coun...

12 days ago

Solved

SatCom #6: Inclination of a Sun-Synchronous Orbit

Satellite and Space Engineering - Problem #5 This is part of a series of problems looking at topics in satellite and space comm...

20 days ago

Solved

Cache me Outside

The test suite includes a simple recursive Fibonacci sequence generator, but it's terribly inefficient. One simple method for im...

4 months ago

Solved

Electrical Diode Current Calculation

In engineering, there is not always a single equation that describes a phenomenon accurately enough to be applied in all instanc...

4 months ago

Solved

An Ohm's Law Calculator

*BACKGROUND / MOTIVATION:* Many important observations in math and science can be described by short, but powerful, equations...

4 months ago

Solved

SatCom #5: Determine Elliptical Orbit Parameters

*Satellite and Space Engineering - Problem #5* _This is part of a series of problems looking at topics in satellite and space...

5 months ago

Solved

SatCom #4: Satellite Orbit Altitude

*Satellite and Space Engineering - Problem #4* _This is part of a series of problems looking at topics in satellite and space...

5 months ago

Solved

Calculate Engine Power

Calculate Engine Power (P) in kW given the values of Torque(M) in Nm and Engine Speed(n) in rpm

5 months ago

Solved

SatCom #2: Gain of a circular 'dish' antenna

*Satellite and Space Engineering - Problem #2* _This is part of a series of problems looking at topics in satellite and space...

5 months ago

Solved

How long do each of the stages of the rocket take to burn?

A space rocket has 3 stages: - stage 1, s1; - stage 2, s2; - stage 3, s3. If s1 burns 3 x as long as s2 which burns ...

5 months ago

Solved

Calculate compression ratio of engine

Calculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)

5 months ago

Solved

What gear ratio does the cyclist need?

A cyclist (perhaps including our famed Codysolver the cyclist <http://www.mathworks.com/matlabcentral/cody/players/1841757-the...

5 months ago

Solved

Project Euler: Problem 18, Maximum path sum I

By starting at the top of the triangle below and moving to adjacent numbers on the row below, the maximum total from top to bott...

5 months ago

Solved

Highly divisible triangular number (inspired by Project Euler 12)

Triangular numbers can be calculated by the sum from 1 to n. For example, the first 10 triangular numbers are: 1, 3, 6, 10, ...

5 months ago

Solved

Divisors for big integer

Inspired by Problem 1025 and Project Euler 12. Given n, return the number y of integers that divide N. For example, with ...

5 months ago

Solved

Numbers spiral diagonals (Part 2)

Inspired by Project Euler n°28 and 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the righ...

5 months ago

Solved

Numbers spiral diagonals (Part 1)

Inspired by Project Euler n°28 et 58. A n x n spiral matrix is obtained by starting with the number 1 and moving to the right...

5 months ago

Solved

Project Euler: Problem 11, Largest product in a grid

What is the greatest product of _k_ adjacent numbers in the same direction (up, down, left, right, or diagonally) in a _n×n_ gri...

5 months ago

Solved

Sums of cubes and squares of sums

Given the positive integers 1:n, can you: 1. Compute twice the sum of the cubes of those numbers. 2. Subtract the square...

6 months ago

Solved

It's going down. We're finding simbers!

This problem is inspired by Project Euler 520: Simbers. "We define a simber to be a positive integer in which any odd digit, ...

6 months ago

Solved

Divisible by 13

Write a function to determine if a number is divisible by 13. Similar to the number seven, this can be done by a few different m...

6 months ago

Solved

Count the number of reaction chains achievable in T mins

This problem is related to Problem <45467>. Let's denote a list of *N* compounds as 1, 2, ..., *N*. You are then given a list...

6 months ago

Solved

Minefield Sonar

*Background* In mine-hunting games (e.g. Microsoft Minesweeper), the user is provided with a covered grid that, upon a left c...

6 months ago

Solved

2048 Next Move

Given a board in the game 2048 (see the game here: <http://gabrielecirulli.github.io/2048/ 2048>) and a direction ('up','down','...

6 months ago

Solved

Give the Shortest Path Through The Maze

*Description* The purpose of this problem is to give the shortest path through a maze. The maze will be provided in a codifie...

6 months ago

Solved

List the households affected by leaks in water distribution

Consider the following water distribution network, where water is pumped uni-directionally from left to right: 8...

6 months ago

Solved

Pitting corrosion on a metal plate: Find the largest pit

You are given an N x M matrix of _ones_ and _zeros_, which represents an image of a rectangular metal plate taken from the hull ...

6 months ago

Solved

Pitting corrosion on a metal plate: Count the number of pits

You are given an N x M matrix of _ones_ and _zeros_, which represents an image of a rectangular metal plate taken from the hull ...

6 months ago

Solved

Trace the path of a harmful chemical in an ecological network

An ecological network consists of the cycles of nature, such as the water cycle, the carbon cycle, the oxygen cycle, etc. Due to...

6 months ago