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...

11 months ago

Solved

SatCom #1: Wavelength of an electomagnetic wave

*Satellite and Space Engineering - Problem #1* _This is the first of a series of problems looking at topics in satellite and ...

11 months ago

Solved

Top layer of a 3D pyramid

create a 3D pyramid(x,y,z) of ones(1) and zeros(0)...where pyramid part is denoted by one....nd find the top layer(x,y) of the p...

11 months ago

Solved

Yoonir - 02

Find the area of a six-pointed star inscribed in a circle of radius r.

11 months ago

Solved

Yoonir - 03

Find the area of a seven-pointed star inscribed in a circle of radius r.

11 months ago

Solved

Fault in our Stars - 01

Create a ladder pattern with n-steps and b-width. For example, For n=2, b=5 -- the ladder would look like - '* ...

11 months ago

Solved

Get Next Combination

Return next combination For example three-element combinations of 1:5 1 2 3 1 2 4 1 ...

11 months ago

Solved

What time can I drive after drinking?

At T o'clock, after a hard day of Matlab, I immediately start drinking and treat myself to N pints of tasty beer. Each beer I dr...

11 months ago

Solved

Create a 3D rotation matrix

Consider an arbitrary coordinate frame {A}. Consider another coordinate frame {B} which has the same origin as {A} but is rotat...

11 months ago

Solved

Identify Wagstaff primes

The numbers 3, 43, and 2731 are examples of <https://mathworld.wolfram.com/WagstaffPrime.html Wagstaff primes>. Write a func...

11 months ago

Solved

odd number odd sum

How many three digit numbers are there whose sum of the digits is odd?

11 months ago

Solved

En passant - 01

This is white's turn. The player moves his pawn. The pawn's previous and current positions are given. Determine whether th...

11 months ago

Solved

Let's create histogram data by yourself.

We'd like to create histogram data, which first column shows the data, and second column shows the frequency. input = [1, 2, ...

11 months ago

Solved

Coin distribution

Imagine, u r in a shop. ur bill is n(2200). u want to pay the bill with minimum no of coins u have. u've coins of - 2000,1000...

11 months ago

Solved

Homogeneous lines and points in 2D: problem 1

In high school we learn the line equation y = mx + c where m is the gradient and c is the intercept. However this form is prob...

11 months ago

Solved

Inscribed circle in a triangle

A circle of radius r is inscribed in a triangle. In the figure, Ac=x and Bc=y. values of x & y are given. Find the ar...

11 months ago

Solved

Spiral Out - 01

Create a spiral matrix ( clock-wise direction ) of size n. Try to do that without using the built-in function.

11 months ago

Solved

The Tortoise and the Hare - 01

Suppose in an infinitely long line, the hare is standing in position 0. From that place, it can jump either in the +ve direct...

11 months ago

Solved

Parsing Expressions - Binary Arithmetic Operators I

Parse and evaluate expressions like these: '1 + 2' '51 - 78' '42 * 9' The only operators are +, -, *. Both argu...

11 months ago

Solved

$10,000 sequence

Find the nth term of the Hofstadterâ€“Conway sequence and its chaotic cousin. <https://en.wikipedia.org/wiki/Hofstadter_sequenc...

11 months ago

Solved

Sieve of Eratosthenes - 02

"Sift the Two's and Sift the Three's, The Sieve of Eratosthenes. When the multiples sublime, The numbers that remain a...

11 months ago

Solved

Number generator

In this problem, a number will be given. starting with the first digit, keep on adding all subsequent digits till the state (...

11 months ago

Solved

Squares in Squares - Concentric Squares

Given a number, n, create an n x n sized matrix with concentric squares of 1s from the outside in. There should be a gap between...

11 months ago

Solved

How many ways?

Create a program to determine in how many ways can a regular n-gon be divided into n-2 triangles?

11 months ago

Solved

Calculate value of Ra for three runs. Flow rates

Problem 5.31, page 220, from Felder and Rousseau Elementary Principles of Chemical Processes book The problem is posted here:...

11 months ago

Solved

Bridge and Torch Problem - Minimum time

<https://en.wikipedia.org/wiki/Bridge_and_torch_problem Details of the problem ...> Input is crossing time list. (for exampl...

11 months ago

Solved

CowBoy

A group of cowboys standing in circle form. They have one gun. The first cowboy shoot the cowboy beside him (second one) and giv...

11 months ago