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William


3.265 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


Gray code
Given a decimal number, convert it to its corresponding Gray code (see https://en.wikipedia.org/wiki/Gray_code). 8 -- 1100...

5 días ago

Solved


Check if a number belongs in the fibonacci squence
Test if integer i is a number in the fibonacci sequence. Return true if it is.

5 días ago

Solved


Check if number is a square number
Test if integer i is a square number. Return logical true if it is.

5 días ago

Solved


Check if integer is a prime number
Check if integer i is a prime number. Returns logical true '1' if it is.

5 días ago

Solved


Connect 4 (the boardgame)
You are playing the popular game "Connect 4" ( <https://en.wikipedia.org/wiki/Connect_Four>) against Matlab. Luckily, Matlab isn...

5 días ago

Solved


Elliptic Curve Cryptography (ECC) Point Addition
Given two points (P and Q, they can be the same points on the elliptic curve), compute ECC point addition on a Weierstrass ellip...

10 días ago

Solved


Quadratic equation
given three inputs (a, b, c) for the equation a*x^2+b*x+c=0; return 1 if the roots are complex (non zero imaginary), and 0 if th...

12 días ago

Solved


Convert Fahrenheit to Kelvin
Convert the value f in Fahrenheit to Kelvin

14 días ago

Solved


find subscripts from linear index
a matrix and the linear index of an element is given as input. find the subscripts of that element. if linear index=3 , outp...

14 días ago

Problem


Determine whether a given point is inside or outside a polygon
A closed polygon may be described by an N x 2 array of nodes, where the last node and the first node are the same. Each row of ...

14 días ago | 1

Solved


Calculate the area of a circle
Given a circle of diameter x calculate its area

15 días ago

Solved


Cantor counting
Find the nth cantor's rational number. the sequence is given below in the link. Sequence: 1/1,1/2,2/1,3/1,2/2,1/3,1/4... ... .....

16 días ago

Solved


check whether a number is a pentatope number
https://en.wikipedia.org/wiki/Pentatope_number

17 días ago

Solved


generate nth pentatope number
https://en.wikipedia.org/wiki/Pentatope_number

17 días ago

Problem


Fun with permutations
There are factorial(N) permutations of the numbers from 1 to N. For each of these permutations, we can find the set of indexes j...

17 días ago | 0

Solved


remove numbers from a string
check the given string for any numbers.in case one is found,remove it.but the two portions should be separated. if more than one...

19 días ago

Solved


Repeat elements of a vector
Repeat each elements of a given vector according to their values. say x=[1,2,1,3] y=[1,2,2,1,3,3,3]

19 días ago

Solved


Double Factorial
Return double factorial n(n-2)...(5)(3)(1), n>0, odd n!! = n(n-2)...(6)(4)(2), n>0, even 1 ...

19 días ago

Solved


X O X O
On a noughts and crosses board, how many possible unique combinations are there given a square grid of length n? Assumptions/...

23 días ago

Solved


Combinations using Stirling numbers of the second kind
Output the number of ways to distribute n labelled balls among k identical boxes (some of which might be empty). Example: ...

26 días ago

Solved


factorial
calculate x!

28 días ago

Solved


Square
square root of x

30 días ago

Solved


Takuzu row
Takuzu row is one row in a logic puzzle of a rectangular grid. The rules are as follows: (1) The row is filled with 1s and 0s...

alrededor de 1 mes ago

Solved


Simple Robotics 2 - End effector attitude
Given a structure as input to your function with the following fields: * robot.links(L1,L2,L3) * robot.jointangles(alfa1,alfa2...

alrededor de 1 mes ago

Solved


The length of the equal sides of an isoceles triangle is 'a'.For all the possible (integer) values of the remaining side,find the associated angles between the two equal sides.
the remaining side may have many possible values.only assume integer ones for simplicity.

alrededor de 1 mes ago

Solved


An n-sided regular polygon is drawn within a circle whose radius is 'r', what will be the area of the polygon?
area of a polygon is p*a/2. where, p is the perimeter and a is the apothem i.e. the normal distance from center to any of the ...

alrededor de 1 mes ago

Solved


Open coded lock.
Guess the <hint://fliplr(anchortext) password> or break the <2314/solutions/new#test_suite_body lock>.

alrededor de 1 mes ago

Solved


make histogram
You probably know the function hist(x,n) to get the histogram. Now try to write the function yourself! For the cheaters wanti...

alrededor de 1 mes ago

Solved


Check prime numbers
Let x, return 1 if x is a prime number, 0 otherwise e.g x = 7, return y =1; x = 6 return y = 0;

alrededor de 1 mes ago

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