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# William

##### Last seen: Today
3,338 2012 年以降の合計貢献数

#### William's バッジ

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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...

4日 前

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...

5日 前

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...

5日 前

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...

5日 前

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...

7日 前

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...

9日 前

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 ...

10日 前

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...

10日 前

11日 前

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

12日 前

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

13日 前

13日 前

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 ...

13日 前

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

14日 前

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

15日 前

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

16日 前

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...

16日 前

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

16日 前

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...

17日 前

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....

19日 前

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 ...

19日 前

Tribonacci Sequence
Generate the tribonacci sequence upto n

19日 前

Pell numbers
Find the nth pell number

19日 前

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

19日 前

Frugal number
check whether n is a frugal number

23日 前

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....

26日 前

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...

26日 前

A secret can be told only to 2 persons in 5 minutes. Now these 2 more persons can spread the secret to 4 other people. this way ...

26日 前

Count digits
Count total number of digits from 1 to n. * n=13 * output=17 since from [1-9] total 9 digits.[10-13] total 4*2=8 digits.

27日 前

Possible Opponents Matrix for single-elimination tournament
It's tournament time! Given a single-elimination tournament with 2^N competitors, compute the 2^N by 2^N matrix M such that M...

28日 前