William
Last seen: Today
4,737 total contributions since 2012Semi-retired physicist with interests in numerical modeling and mathematics.
William's Badges
MATLAB Central Treasure Hunt finisher badge
Awarded to William on 03 Nov 2020
Contribute at least one answer each month for 6 consecutive months
Awarded to William on 02 May 2021
3 of your answers have been accepted
Awarded to William on 18 Jan 2021
Provide your first answer ever to someone else's question
Awarded to William on 17 Sep 2020
Solve all the problems in Computer Games I
Awarded to William on 02 Apr 2021
Solve all the problems in Logic problem group
Awarded to William on 12 Feb 2021
Obtain 50 solvers for a problem you have created
Awarded to William on 30 Dec 2020
Solve a problem with a best solution
Awarded to William on 21 Dec 2020
Solve all the problems in Cody5:Hard
Awarded to William on 08 Apr 2019
Solve all the problems in Introduction to MATLAB problem group
Awarded to William on 19 Jan 2019
Solve all the problems in Combinatorics I Master problem group
Awarded to William on 16 Nov 2018
Solve all the problems in Computation Geometry III
Awarded to William on 06 Oct 2018
Solve all the problems in Word Puzzles problem group
Awarded to William on 26 Sep 2018
Solve all the problems in Strings I
Awarded to William on 19 Sep 2018
Solve all the problems in Card Games
Awarded to William on 17 Sep 2018
Solved
Spiraling out of control....
Imagine a square with corners at the origin and at (1,1). An interesting spiral can be created by tracing the path of a moving ...
18 hours ago
Solved
How many ways to write
How many ways to write a positive integer x as the sum of n numbers , where , x>n and no n number is less than -2.
19 hours ago
Solved
Portfolio diversification: choose your stocks !
we have the returns of 3 stocks for the last 4 years and we have to combine only 2 stocks that are less correlated. Example: ...
2 days ago
Solved
USC Fall 2012 ACM: Driving the Rover
This Challenge is to solve Question E, Driving the Rover, of the <http://contest.usc.edu/index.php/Fall12/Home USC ACM Fall 2012...
2 days ago
Solved
Persistence will not help you solve this problem.
Create a function without inputs that adds one to the output every time it is called. A different possibility of solving this ha...
2 days ago
Solved
Spell the number
Using the British short scale notation, write a function to return the correct spelling of a number passed as a numeric string i...
3 days ago
Solved
Apply Function to Each Field of a Structure Array: Part 1
The builtin <http://www.mathworks.com/help/matlab/ref/structfun.html?=structfun structfun> applies a function handle to each fie...
9 days ago
Solved
Graph Algorithms - 1 : Length of the largest closed path
An undirected simple graph is given as the form of an adjacency matrix. Find the length of the largest closed path (one that sta...
14 days ago
Solved
Rearrange coefficients after block based DCT transform.
Two dimensional block-based discrete cosine transform <http://en.wikipedia.org/wiki/Discrete_cosine_transform#DCT-II (DCT-II)> i...
15 days ago
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