Solved

Assess the scatter of wind turbines in a field
The renewable energy industry is on the rise in many countries--- and one of the key players is wind energy. It is believed ...

3 years ago

Solved

Design a tubesheet for shell-and-tube heat exchangers
<<https://3.bp.blogspot.com/-kLSbhcCoT2I/WJIh-QVGLGI/AAAAAAAADEs/svvMzBqn4fUfI1rTCCH7Uw-QuDvxx0PxACLcB/s1600/Screenshot_669.jpg>...

3 years ago

Solved

Create a matrix map of increasing safety levels
The sole nuclear power plant at Grid City suddenly had a meltdown. Luckily, the plant was designed to be in full automation, so ...

3 years ago

Solved

Count the number of folds needed to pack a large sheet
In a certain paper factory, large sheets of paper are being made every day. Before sending the sheets for shipment, they have to...

3 years ago

Solved

Calculate the sphericity of a Raschig ring
Sphericity is a measure of the roundness of any particle. It was defined by Wadell in 1935 as the ratio of the 'surface area of ...

3 years ago

Solved

Large Sum (inspired by Project Euler 13)
Your function will be provided an arbitrary number of numbers of arbitrary sizes as a cell array of strings. Some numbers will b...

3 years ago

Solved

Project Euler: Problem 16, Sums of Digits of Powers of Two
2^15 = 32768 and the sum of its digits is 3 + 2 + 7 + 6 + 8 = 26. What is the sum of the digits of the number 2^N? Thanks ...

3 years ago

Solved

Hexagonal numbers on a spiral matrix
Put hexagonal numbers in a ( m x m ) spiral matrix and return the sum of its diagonal elements. Formula of hexagonal numbers ...

3 years 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...

3 years ago

Solved

Sum of big primes without primes
Inspired by Project Euler n°10 (I am quite obviously a fan). With problem n°250 by Doug, you can find some global methods to co...

3 years ago

Solved

Infinite precision division
Develop a function that will divide a very very large integer numerator, supplied to function as a string (e.g., '12233344445555...

3 years ago

Solved

How to multiply?
Imagine you are in 3012 Anno Domini, when everyone must learn how to multiply, and competing for the highly prestigious post of...

3 years ago

Solved

Polygonal numbers
The task of <http://www.mathworks.co.uk/matlabcentral/cody/problems/5 Problem 5> is to calculate triangular numbers. By playing ...

3 years ago

Solved

Convert matrix to 3D array of triangular matrices
Given a 2D numeric array x in which each column represents the vectorized form of an upper triangular matrix, return a 3D array ...

3 years ago

Solved

Remove entire row and column in the matrix containing the input values
Remove the entire row and column from the matrix containing specific values. The specified value can be a scalar or a vector. Fo...

3 years ago

Solved

Splitting Hexagon - Problem the third

3 years ago

Solved

Splitting Hexagon - Problem the second

3 years ago

Solved

Splitting Hexagon - Problem the first

3 years ago

Solved

Splitting Circle
Consider a circle which has been divided into three concentric circles as depicted in the figure below The ratio betwen the a...

3 years ago

Solved

Splitting Triangle - Problem the third

3 years ago

Solved

Splitting Triangle - Problem the second

3 years ago

Solved

Splitting Triangle - Problem the first

3 years ago

Solved

Cricket - Is It LBW?
LBW has an unfair reputation as complicated. But if you've watched a third umpire referral, you'll know that it's just a logical...

3 years ago

Solved

Cricket - Report the Result (Part II: Test Matches)
Given two scalar strings representing the scores for a test match, return a string reporting the result in the appropriate form:...

3 years ago

Solved

Cricket - You Miss, I Hit (Rank Bowlers by Proportion of Bowled and LBW Wickets)
Which bowlers threaten your stumps the most? Given a table of all wickets taken during some particular set of matches and two th...

3 years ago

Solved

Cricket - Most Frequent Bowler-Batter Wicket Combinations
Given a table representing all wickets taken in a particular set of matches, return a table of the bowler-batter pairs that occu...

3 years ago

Solved

Cricket - Report the Result (Part I: Limited Overs)
Given two scalar strings representing the scores for a limited-overs match, return a string reporting the result in the form "Te...

3 years ago

Solved

Cricket - Peak Batting Average
Given a vector s of strings representing a batter's individual innings scores (in chronological order), return the highest batti...

3 years ago

Solved

Cricket - Represent Average in "Dulkars" and "Ses"
Sachin Tendulkar's Test average was 53.78. So if Tendulkar = 53.78, one dulkar = 5.378. Similarly, Roger Twose's average was 25....

3 years ago

Solved

Cricket - Career Bowling Statistics
Given a vector s of strings representing a bowler's individual innings records, return their career statistics as a 3-element (n...

3 years ago