Solved

P-smooth numbers
This Challenge is to find <https://en.wikipedia.org/wiki/Smooth_number P-smooth number> partial sets given P and a max series va...

8 years ago

Solved

Champernowne Constant
The <http://en.wikipedia.org/wiki/Champernowne_constant Champernowne constant> is a real number whose digits in decimal represen...

8 years ago

Solved

Try your chance!!!
There is a bomb in 3 cell! You must avoid to select the bomb. choose one of these cells and try your chance: 1 2 3 ?...

8 years ago

Solved

Code breaker, Part I: Operation Phoenix
You have been tasked with decoding a set of coded messages that have been intercepted. Based on previous intelligence that ...

8 years ago

Solved

Guess the number I'm thinking of
In this game you are competing against two other people to guess the number that I'm thinking of. # I randomly choose an *i...

8 years ago

Solved

Still more miles to go before I sleep
It's time for more odometer fun. Last problem, my car's odometer hit 56789. It's coming up on 111111 now, which (barring a maj...

8 years ago

Problem

Still more miles to go before I sleep
It's time for more odometer fun. Last problem, my car's odometer hit 56789. It's coming up on 111111 now, which (barring a maj...

8 years ago | 7 | 55 solvers

Solved

The twelve days of Christmas
Traditionally there are twelve days of Christmas to celebrate ("Twelvetide"), typically starting with Christmas Day (25 December...

8 years ago

Solved

The answer to life the universe and everything
Write a function that gives the answer to life the universe and everything to every input except the input is 42. In this case t...

8 years ago

Solved

The other half of the Fibonacci sequence
The <http://mathworld.wolfram.com/FibonacciNumber.html "Fibonacci sequence"> — F = [1, 1, 2, 3, 5, 8, 13, 21, 34, 55, 89, 144,...

8 years ago

Solved

Separate even from odd numbers in a vector - with a loop
*Using a loop*, rearrange a vector of integers such that the odd numbers appear at the beginning, and even numbers at the end. T...

8 years ago

Solved

Find the average of a random sequance
Write a function that generates random integers within a loop, and calculates the mean of the positive numbers only. At each ...

8 years ago

Solved

How to reverse spdiags ?
The spdiags function extracts all nonzero diagonals from the m-by-n matrix A. So if A=[1 2 3;4 5 6;7 8 9], spdiags(A)=[7 4...

8 years ago

Solved

Funny problems
Generate the following vector： if n=1 then q=1; elseif n=2 then q=[2 2 1]; elseif n=3 then q=[3 3 3 2 2 1]; ... end

8 years ago

Solved

Pattern Sum
Write a function which receives two single digit positive integers, (k and m) as parameters and calculates the total sum as: k...

8 years ago

Solved

Perimeter of a quadrilateral
There are four cars starting at a point. The first car points north, the second one points east, the third one points south, an...

8 years ago

Solved

Happy Free March!
Just submit your solution in any March. *Related Challenges:* # <https://www.mathworks.com/matlabcentral/cody/problems/445...

8 years ago

Solved

Read it !
read and return the following word. 'M M A TTTTTTTTTL A BBB ' 'MM MM A A T L ...

8 years ago

Solved

2) Are you more familiar with iteration methods or Linear Algebra ? Let's see together.
Referring to problem: https://www.mathworks.com/matlabcentral/cody/problems/44530-are-you-more-familiar-with-iteration-method...

8 years ago

Solved

Are you more familiar with iteration methods or Linear Algebra? Let's see together.
Given a sum result *_x_* value of a *_N_* number of addends, build an array of _*N*_ elements _*y*_ such that the following equa...

8 years ago

Solved

Separate even from odd numbers in a vector - without loops
*Without using loops*, rearrange a vector of integers such that the odd numbers appear at the beginning, and even numbers at the...

8 years ago

Solved

Horizontal matrix sort
Given a matrix x with n rows and m columns, return a matrix y with n rows and 2m columns, such that every row in x is sorted fro...

8 years ago

Solved

The cake is a lie...
You're hosting a birthday party with a large number of screaming children. Fortunately, you have a gigantic sheet cake in front...

8 years ago

Solved

Radiation Heat Transfer — View Factors (5)
View factors (aka configuration factors) are utilized in some radiation heat transfer models to estimate heat transfer rates bet...

8 years ago

Solved

Generate a melodic contour string matrix
<http://en.wikipedia.org/wiki/Parsons_code Parsons code> is a surprisingly effective way to identify music by its melodic motion...

8 years ago

Solved

Morse Code Generator! Try it!
.... . .-.. .-.. --- . ...- . .-. -.-- --- -. . -.-.-- .-.. . - ... -.. --- ... --- -- . -- --...

8 years ago

Solved

Eliminate Polysyllabics: Long live short words!
Given a string s1, return s2 in which all the words with more than one syllable have been removed. To make things simple, we ...

8 years ago

Solved

longest common substring : Skipped character version
Two strings are given. Find the longest common substring between them. The substring characters need not be adjacent. They, howe...

8 years ago

Solved

Happy Free 15th Day of a Month!
Just submit your solution on 15th day of any month. *Related Challenges:* # <https://www.mathworks.com/matlabcentral/cody/...

8 years ago

Solved

Convex Hull Capture
Imagine four points in uv that form a square. uv = [ ... 0,0; 0,2; 2,2; 2,0]; Now we have two more po...

8 years ago