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William


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3 341 total contributions since 2012

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William's Badges

  • Cody5 Hard Master
  • Introduction to MATLAB Master
  • Combinatorics I Master
  • Computational Geometry III Master
  • Word Puzzles Master
  • Strings I Master
  • Card Games Master
  • Project Euler I
  • Divisible by x Master
  • Computational Geometry IV Master
  • Indexing V Master
  • Computational Geometry II Master
  • Draw Letters
  • Matrix Manipulation I Master
  • Magic Numbers II Master

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Solved


Orthogonal Circles
Check whether two given circles are orthogonal or not. Two circles are orthogonal if they create a right angle at their inter...

2 jours ago

Solved


Orthogonal lines
Check whether two given lines are orthogonal or not. Two lines are orthogonal if they create a right angle at their intersect...

2 jours ago

Solved


No of squares in a grid
given a m*n grid calculate the no of possible squares & rectangles on that grid. output: y=[no of rectangles , no of sqa...

2 jours ago

Solved


Find the centroid of triangle
Imagine that you want to calculate the *centroid* of some _triangles_ given in matrix form. First the coordinates of the vertice...

9 jours ago

Solved


Calculate triangle area
Imagine that you want to calculate the areas of some triangles given in matrix form. First the coordinates of the vertices of th...

9 jours ago

Solved


Game of life - 02
refer to <https://en.wikipedia.org/wiki/Conway's_Game_of_Life> refer to <https://www.mathworks.com/matlabcentral/cody/probl...

10 jours ago

Solved


Game of life - 01
Refer to <https://en.wikipedia.org/wiki/Conway's_Game_of_Life> given a set of cells (the initial state) represented by 1(l...

10 jours ago

Solved


Zero
given an integer a, find the smallest possible integer b(b>0) such that their bitwise logical AND is zero. * if a=11(1011) t...

12 jours ago

Solved


Subdivide the Segment
Two points, P1 and P2, with integer x-y coordinates are given. These uniquely determine a third point, P0, on the extended line...

14 jours ago

Solved


Be happy
check whether the given number is happy in b-base. * A happy number can be defined as a number which will yield 1 when it is ...

15 jours ago

Solved


Remove duplicated vertices
First input V_in is a vertices list (X Y Z coordinates) which may contain duplicata (identical rows). Second input T_in is th...

15 jours ago

Solved


Restricted Addition v4
This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45264-restricted-addition-v3 Restricted Addition v3> with...

16 jours ago

Solved


Roots of quadratic equation
Given a quadratic equation ax^2 + bx + c = 0, write a function to return its roots.

17 jours ago

Solved


Restricted Addition v1
Add two numbers without use of common arithmetic operations. Unfortunately, in order to enforce this restriction, other restrict...

18 jours ago

Solved


Restricted Addition v3
This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45258-restricted-addition-v2 Restricted Addition v2> with...

18 jours ago

Solved


Query every vertices neighbor indices
Input T is a <https://fr.mathworks.com/help/matlab/ref/triangulation.html triangulation>. The purpose of this function is to ...

18 jours ago

Solved


Alternate list of elements
Write a function that combines two lists by alternating the elements, e.g. ['a','b','c'], ['1','2','3'] → 'a1b2c3'.

19 jours ago

Solved


Query edges list
Input T is a triangulation connectivity indices list (triplet list of indices -positive integers-, each index refering to a vert...

20 jours ago

Solved


Restricted Addition v2
This problem is <https://www.mathworks.com/matlabcentral/cody/problems/45252 Restricted Addition v1> with more restrictions. ...

21 jours ago

Solved


Find neighbor triangle indices
First input T is a triangulation (triplet list of indices -positive integers-, each index refering to a vertex number in a corre...

21 jours ago

Solved


Query a vertex neighbors
First input T is a triangulation connectivity indices list (triplet list of indices -positive integers-, each index refering to ...

21 jours ago

Solved


Unique: Speed Enhancement for uint(8,16,32)
This Speed Performance Challenge is to optimize Unique for processing uint8/uint16/uint32 variables. *Input:* A (column vecto...

22 jours ago

Solved


Last non-zero digit
Given a number n, find the last non-zero digit of the factorial of that number. You need to take care of the large values of n....

24 jours ago

Solved


Find the sequence
Find the nth number of a sequence. Check the test suite to determine the sequence. * hint: it is closely related to familiar ...

24 jours ago

Solved


Tribonacci Sequence
Generate the tribonacci sequence upto n

24 jours ago

Solved


Pell numbers
Find the nth pell number

24 jours ago

Solved


2048 tile game
The popular 2048 game has been implemented here: http://gabrielecirulli.github.io/2048/ Given the board like this: [2...

24 jours ago

Solved


Frugal number
check whether n is a frugal number

28 jours ago

Solved


Hilbert Scan Algorithm
As Zig-Zag and Horizontal ... we have also a < <Hilbert> <Scan> > as shown in this article <http://link.springer.com/chapter/10....

environ un mois ago

Solved


Aquiles y la tortuga
Contaba Zenón en su famosa paradoja que un día Aquiles, el guerrero griego más veloz de la Hélade, se enfrentó a una pequeña tor...

environ un mois ago

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