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...

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 ...

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...

Yoonir - 02
Find the area of a six-pointed star inscribed in a circle of radius r.

Yoonir - 03
Find the area of a seven-pointed star inscribed in a circle of radius r.

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 - '* ...

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

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...

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...

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

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

GCD

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...

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, ...

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...

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...

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...

Spiral Out - 01
Create a spiral matrix ( clock-wise direction ) of size n. Try to do that without using the built-in function.

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...

LCM

Determine the factorial of a number

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

\$10,000 sequence
Find the nth term of the Hofstadter–Conway sequence and its chaotic cousin. <https://en.wikipedia.org/wiki/Hofstadter_sequenc...

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...

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

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...

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

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:...

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...

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...