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PurpleDiab


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868 total contributions since 2016

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  • Matrix Patterns I Master
  • Computational Geometry I Master
  • Scholar
  • Tiles Challenge Master
  • Indexing I Master
  • Indexing II Master
  • ASEE Challenge Master
  • CUP Challenge Master
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Largest territory
Determine whose territory is largest. If there are multiple numbers tied for the largest territory, return the smallest number. ...

8 maanden ago

Solved


Three...is a magic number.
Yes it is... It's a magic number... To help you get rid of that earworm, here's a new Cody problem. You are given a squar...

8 maanden ago

Solved


Finding neighbors of [-1:1] in a matrix....
Hello All! Well I found this one fun to figure out, all you have to do is make a matrix of 1's or 0's (true or false) that sh...

8 maanden ago

Solved


return row and column indices given 2 values which define a range
Inspired by problem <http://www.mathworks.co.kr/matlabcentral/cody/problems/856-getting-the-indices-from-a-matrice> Inputs: - ...

8 maanden ago

Solved


Max Change in Consecutive Elements
If an array is given as input then find the index of consecutive elements that represent maximum change. Example: Input ...

8 maanden ago

Solved


remove single elements
Given a vector of integers, remove the elements that have appeared only once. The output elements should be in exact order as th...

8 maanden ago

Solved


expand intervals
You're given a row vector of an even number of monotonically increasing integers. Each pair of consecutive integers is the lower...

8 maanden ago

Solved


Acid and water
&#9878; &#9878; &#9878; &#9878; &#9878; &#9878; &#9878; &#9878; Assume that there is a 100 liter tank. It is initially fi...

8 maanden ago

Solved


Delete 2nd and 5th column of Given 6*6 matrix
Delete the 2nd and 5th columns of the given 6*6 matrix. Example Suppose A = magic(6) 35 1 6 26 19 ...

8 maanden ago

Solved


MATLAB Basic: rounding
Do rounding near to zero Example: -8.8, answer -8 +8.1 answer 8

8 maanden ago

Solved


How many days in a month?
Return the number of days in a given month in 2017. If the input is not a valid month number, return -1. Examples: Input...

8 maanden ago

Solved


Transpose of matrix
Transpose of matrix as per test cases

8 maanden ago

Solved


Find the largest number
Given a vector v with 4 elements, find the largest number x. Example: Input: v = [4 7 1 6]; Output: x = 7; You mu...

9 maanden ago

Solved


Sum of Two Numbers
Given two integer numbers x and y, calculate their sum and put it in z. Examples: Inputs x = 2, y = 4 Output z is 6 ...

9 maanden ago

Solved


Tridiagonal
Return an n-by-n matrix that has a, b, c as the subdiagonal, main diagonal, and superdiagonal entries in the matrix. Example ...

ongeveer een jaar ago

Solved


How unique?
Sometimes, when we check unique entries of vector we would like to know how many times each value occurs. Given vector of num...

ongeveer een jaar ago

Solved


Index of a Rational number
The set of real numbers are infinite. They are so many that real numbers can't even be enumerated. However, unlike real numbers ...

ongeveer een jaar ago

Solved


counting groups!
This problem is about counting groups. Example If you have x: x = [0.8 0.8 0.8 0.3 0.3 0.4 0.5 0.6 0.6 0.9] then a...

ongeveer een jaar ago

Solved


Time Expansion
How can you slow down any discrete-time signal? Example Input original signal x. x = [1 2 3 -1 -2 -5 -4] We want t...

ongeveer een jaar ago

Solved


Tax Calculator
Calculate the tax for a given income. 10% tax is paid for any income up to $2,000. 20% tax is paid for additional income u...

ongeveer een jaar ago

Solved


Volume of a Simplex
Return the volume of a <http://en.wikipedia.org/wiki/Simplex regular _n_-simplex> with a unit side length. Results are up to...

meer dan een jaar ago

Solved


Volume difference between Ellipsoid and Sphere
Given an ellipsoid of semi principal axis (a,b,c) find the volume of the difference between this ellipsoid and the sphere with...

meer dan een jaar ago

Solved


Create Volcano (or Atoll) martix. It is an extension of Bullseye matrix problem.
For example, if n=2 (maximum value), the output matrix should be [1 1 1 1 1; 1 2 2 2 1; 1 2 1 2 1; 1 2 2 2 1; 1...

meer dan een jaar ago

Solved


Mirror Image matrix across anti-diagonal
Given an input number x, create a mirror image matrix 'Y' across the anti-diagonal. For example, if x=3, Y = [1 2 3; ...

meer dan een jaar ago

Solved


Make a Star Pyramid
Create a star pyramid. First line will have 1 star, second will have two stars and so on... a basic program which is easily done...

meer dan een jaar ago

Solved


Make a logical diamond using GALLERY function
Inspired from <http://www.mathworks.com/matlabcentral/cody/problems/1078-make-a-diamond Problem 1078. Make a diamond> In thi...

meer dan een jaar ago

Solved


Matrix spiral
Make a spiral in a (n*n) matrix. The spiral has to start in the top left, and has to rotate clockwise to the center. The spiral ...

meer dan een jaar ago

Solved


Spiral In
Create an m by n matrix filled with sequential integers starting from 1 and arranged in a counterclockwise spiral that hugs the ...

meer dan een jaar ago

Solved


Twist 'n' Match
Given n and m, construct an n-by-n matrix a such that a, when rotated 90 degrees and compared with itself, matches itself in exa...

meer dan een jaar ago

Solved


Spot the rectangle (Part 2)
This problem is related to the <http://bit-player.org/2009/the-17x17-challenge 17x17 challenge>. See also <http://www.mathworks....

meer dan een jaar ago

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