Community Profile

photo

Doug Hull


Last seen: 6 Monate vor Aktiv seit 2011

Formerly known as MATLABDoug during my 15 year tenure at MathWorks. Now I live in Vegas, write poker books and relieve tourists of their poker money.

Statistiken

All
  • Cody 5th Anniversary Author
  • 12 Month Streak
  • Pro
  • Likeable
  • Famous
  • Personal Best Downloads Level 2
  • Editor's Pick
  • First Review
  • 5-Star Galaxy Level 5
  • First Submission
  • Revival Level 2
  • Knowledgeable Level 4

Abzeichen anzeigen

Content Feed

Anzeigen nach

Problem


Is this a valid Tic Tac Toe State?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

mehr als 6 Jahre vor | 4 | 117 Lösungsvorschläge

Problem


Is this is a Tic Tac Toe X Win?
For the game of <https://en.wikipedia.org/wiki/Tic-tac-toe Tic Tac Toe> we will be storing the state of the game in a matrix M. ...

mehr als 6 Jahre vor | 2 | 506 Lösungsvorschläge

Problem


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

fast 10 Jahre vor | 0 | 9 Lösungsvorschläge

Gelöst


Get ranking of a combination looking for speed.
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

mehr als 10 Jahre vor

Problem


Get ranking of a combination looking for speed.
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

mehr als 10 Jahre vor | 3 | 47 Lösungsvorschläge

Gelöst


Get ranking of a combination
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

mehr als 10 Jahre vor

Problem


Get ranking of a combination
I have the numbers pulled without replacement from the set [1 2 3 4 5 6 7 8 9 10 11 12 13]; They are then ordered from least to...

mehr als 10 Jahre vor | 1 | 47 Lösungsvorschläge

Gelöst


Select every other element of a vector
Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

etwa 11 Jahre vor

Gelöst


Swap the first and last columns
Flip the outermost columns of matrix A, so that the first column becomes the last and the last column becomes the first. All oth...

etwa 11 Jahre vor

Gelöst


Distance walked 1D
Suppose you go from position 7 to 10 to 6 to 4. Then you have walked 9 units of distance, since 7 to 10 is 3 units, 10 to 6 is 4...

mehr als 11 Jahre vor

Problem


Siblings of a graphics object
Given a valid, scalar, handle of a graphical object: find the set of all objects that have the same parent as the original that...

mehr als 11 Jahre vor | 1 | 15 Lösungsvorschläge

Gelöst


Siblings of a graphics object
Given a valid, scalar, handle of a graphical object: find the set of all objects that have the same parent as the original that...

mehr als 11 Jahre vor

Problem


Implement Solitaire cipher for N long deck.
Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cypher>. Given a starting permutation of numbers [1:...

fast 12 Jahre vor | 1 | 17 Lösungsvorschläge

Gelöst


Implement Solitaire cipher for N long deck.
Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cypher>. Given a starting permutation of numbers [1:...

fast 12 Jahre vor

Problem


Flag largest magnitude swings as they occur
You have a phenomenon that produces strictly positive or negative results. delta = [1 -3 4 2 -1 6 -2 -7]; Marching thr...

fast 12 Jahre vor | 12 | 668 Lösungsvorschläge

Problem


How many trades represent all the profit?
Given a list of results from trades made: [1 3 -4 2 -1 2 3] We can add them up to see this series of trades made a profit ...

fast 12 Jahre vor | 12 | 592 Lösungsvorschläge

Problem


Given a window, how many subsets of a vector sum positive
Given a vector: [1 0 -1 3 2 -3 1] and a window of 2, A sliding window would find: 1 + 0 = 1 0 - 1 = -1 ...

fast 12 Jahre vor | 8 | 846 Lösungsvorschläge

Problem


Implement simple rotation cypher
If given a letter from the set: [abc...xyz] and a shift, implement a shift cypher. Example: 'abc' with a shi...

fast 12 Jahre vor | 12 | 1049 Lösungsvorschläge

Problem


Solitaire Cipher
Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cipher>. Since this is from Wikipedia, I am capturin...

fast 12 Jahre vor | 9 | 257 Lösungsvorschläge

Gelöst


Solitaire Cipher
Implement the <http://en.wikipedia.org/wiki/Solitaire_(cipher) solitaire cipher>. Since this is from Wikipedia, I am capturin...

fast 12 Jahre vor

Problem


Steal, Share, or Catch: Tournament of Champions
I am no longer supporting this problem. No changes will be made to put more entries in the test suite, but have fun playing any...

fast 12 Jahre vor | 5 | 9 Lösungsvorschläge

Gelöst


Steal, Share, or Catch: Tournament of Champions
I am no longer supporting this problem. No changes will be made to put more entries in the test suite, but have fun playing any...

fast 12 Jahre vor

Problem


Steal, Share, or Catch
You, I, and a few other characters are going to play a game of *Steal, Share or Catch*. We are going to play it 10,000 times vs...

fast 12 Jahre vor | 4 | 78 Lösungsvorschläge

Gelöst


Steal, Share, or Catch
You, I, and a few other characters are going to play a game of *Steal, Share or Catch*. We are going to play it 10,000 times vs...

fast 12 Jahre vor

Gelöst


Is my wife right? Now with even more wrong husband
Again, as in "Is my wife right?" ( <http://www.mathworks.com/matlabcentral/cody/problems/149-is-my-wife-right> ), answer 'yes' r...

fast 12 Jahre vor

Gelöst


Return the first and last character of a string
Return the first and last character of a string, concatenated together. If there is only one character in the string, the functi...

fast 12 Jahre vor

Problem


Cumulative probability of finding an unlikely combination
This is a supplemental problem to the <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition CryptoMath> ...

fast 12 Jahre vor | 2 | 32 Lösungsvorschläge

Gelöst


Cumulative probability of finding an unlikely combination
This is a supplemental problem to the <http://www.mathworks.com/matlabcentral/cody/problems/621-cryptomath-addition CryptoMath> ...

fast 12 Jahre vor

Gelöst


Getting the absolute index from a matrix
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get the <http://www.ma...

fast 12 Jahre vor

Problem


Getting the absolute index from a matrix
This is a basic MATLAB operation. It is for instructional purposes. --- You may already know how to get the <http://www.ma...

fast 12 Jahre vor | 2 | 241 Lösungsvorschläge

Mehr laden