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William


Last seen: Today
3,647 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


Sort in descending order.

12 hours ago

Solved


LCM

1 day ago

Solved


GCD

1 day ago

Solved


Find the last non-zero digit in a primorial
<https://www.mathworks.com/matlabcentral/cody/groups/2001/problems/45251 Cody Problem 45251> asked us to find the last non-zero ...

3 days ago

Solved


Area of a pentagon
Given the side of a regular pentagon and its apothem return the area of pentagon. Remember the area of pentagon is calculate ...

3 days ago

Solved


Identify primorial primes
Cody Problems <https://www.mathworks.com/matlabcentral/cody/problems/46054-count-trailing-zeros-in-a-primorial 46054> and <https...

4 days ago

Solved


Count trailing zeros in a primorial
<https://www.mathworks.com/matlabcentral/cody/problems/44068-the-number-of-trailing-zero-digit-of-a-factorial Cody Problem 44068...

4 days ago

Solved


Identify Wagstaff primes
The numbers 3, 43, and 2731 are examples of <https://mathworld.wolfram.com/WagstaffPrime.html Wagstaff primes>. Write a func...

19 days ago

Solved


Determine whether a number is a cluster prime
A <https://mathworld.wolfram.com/ClusterPrime.html cluster prime> is an odd prime number _p_ such that all even numbers less tha...

19 days ago

Solved


Solve a Weird Calculator puzzle
The September 2012 issue of GAMES Magazine had a Weird Calculator puzzle by Erich Friedman. In this puzzle, the calculator has o...

25 days ago

Solved


Count alternating permutations
In an alternating permutation of numbers 1 to n, the numbers are arranged so that they alternately increase and decrease. For ex...

25 days ago

Solved


Construct the Seidel-Entringer-Arnold triangle
Several problems in Cody ask us to construct part or all of triangles in which entries follow a pattern. Cody Problems <https://...

27 days ago

Solved


Let's create histogram data by yourself.
We'd like to create histogram data, which first column shows the data, and second column shows the frequency. input = [1, 2, ...

1 month ago

Solved


Find the zeros of the Bessel function of the first kind
<https://mathworld.wolfram.com/BesselFunctionoftheFirstKind.html Bessel functions> are important in many problems in mathematica...

1 month ago

Solved


Determine digits of the Copeland-Erdos constant
<https://www.mathworks.com/matlabcentral/cody/problems/1477-champernowne-constant/solutions/new Cody Problem 1477> asks us to de...

1 month ago

Solved


Pixel density
<https://en.wikipedia.org/wiki/Pixel_density Pixel density> tells us how many pixels we can find within a unit of length. And a...

1 month ago

Solved


Compute Khinchin's constant
Khinchin's constant K_0 = 2.684542001... (also written "Khintchine's constant") has the amazing property that it is the limiting...

1 month ago

Solved


Estimate pi from certain values of the zeta function
Cody Problems <https://www.mathworks.com/matlabcentral/cody/problems/2908-approximation-of-pi 2908> and <https://www.mathworks.c...

1 month ago

Solved


DETERMİNE bigger input
which one is biigger x or z

1 month ago

Solved


Compute the harmonic numbers
The nth <https://mathworld.wolfram.com/HarmonicNumber.html harmonic number> is defined as the sum of the reciprocals of the inte...

1 month ago

Solved


Evaluate the incomplete elliptic integrals
Elliptic integrals can be used to evaluate integrals whose integrands have the form R(x,sqrt(P(x))), where R(x,y) is a rational ...

1 month ago

Solved


Find the position of planet in solarsystem
Write a funtion named *nthplanet* which takes name of the planet as input string and provides the position of the planet, starti...

1 month ago

Solved


What is the current time in Darwin, Australia?
Traders need to track exchange calendars and trading hours in detail, and account for time zone differences and daylight savings...

1 month ago

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