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MathWorks

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I work on the MATLAB Central and MATLAB Interface teams. See also http://www.starchamber.com/

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Ned Gulley submitted a Comment to Problem 189. Sum all integers from 1 to 2^n

John D'Errico wrote up some great commentary on this problem and how to go about solving it. http://blogs.mathworks.com/community/2016/07/21/numerical-analyst-john-derrico-takes-a-stroll-through-cody/

on 21 Jul 2016 at 21:54

Ned Gulley submitted a Comment to Solution 61727

I believe this is the very first use of the Ans Hack in Cody. See http://blogs.mathworks.com/community/2016/06/23/the-great-ans-hack/

on 23 Jun 2016

Ned Gulley submitted a Comment to Problem 42888. Frobenius McNugget Factorization

My apologies gentlemen! I rushed this into print yesterday afternoon. Thanks for the reference Peng. I have fixed the offending answers.

on 7 Jun 2016

Ned Gulley submitted Solution 843526 to Problem 42757. Convert integer to base26 using letters

on 4 Mar 2016

Ned Gulley submitted a Comment to Problem 2265. 2048 Next Move

Thanks Jan! Fixed it. That test has been firing blanks for more than a year.

on 3 Mar 2016

Ned Gulley submitted a Comment to Problem 42749. Find the nearest prime

I made a few quick edits.

on 25 Feb 2016

Ned Gulley submitted a Comment to Problem 2959. Divide by 4

Incidentally, I would delete this problem, but now it has this useful commentary on it.

on 22 Feb 2016

Ned Gulley submitted a Comment to Problem 2959. Divide by 4

I'm listening. Thanks for this discussion. I have been in contact with the prof at UAB who has his students post these problems. This particular flurry happens in October and February when the course is taught. I agree this is not an appropriate use of Cody. We'll be dealing with this by making a minimum Player Score before you can submit a problem. It'll be impossible to just show up and make a problem, having never played before. We'll have to see if that resolves the issue, but I think it's a good step.

on 22 Feb 2016

Ned Gulley submitted a Comment to Problem 58. Tic Tac Toe FTW

Brendan, Jan is right. Dealing with spam is giving us a hard time. If we set the barrier too low, we get terrible inflows of spam. If we set it too high, we annoy good people like you. Sorry about the hassle. We are working on it now.

on 19 Feb 2016

Ned Gulley submitted a Comment to Solution 824158

Thanks for the suggestion. I added "frames" to the test.

on 11 Feb 2016

Ned Gulley submitted Problem 42720. Breaking Bad Tiles (Spelling with Element Symbols) to Community

on 9 Feb 2016

Ned Gulley submitted a Comment to Problem 42708. Placing Beads Neatly in a Box

Hi Carl: All sequences are generated from successful packings. So you wouldn't get 1-1-0-1 because, as you note, it couldn't be packed successfully. In other words, this situation shouldn't come up.

on 28 Jan 2016

Ned Gulley submitted a Comment to Problem 42708. Placing Beads Neatly in a Box

You also gave me a new test for "Is it Snaky (42705)" that knocked out the current leader.

on 25 Jan 2016

Ned Gulley submitted a Comment to Problem 42708. Placing Beads Neatly in a Box

Thanks Alfonso! Advice taken.

on 25 Jan 2016

Ned Gulley submitted Solution 810522 to Problem 42716. Number of occurrences of letter in a text

on 20 Jan 2016

Ned Gulley submitted Solution 795454 to Problem 42695. Replace secondary diagonal elements of a square array

on 17 Dec 2015

Ned Gulley submitted Solution 795436 to Problem 42695. Replace secondary diagonal elements of a square array

on 17 Dec 2015

Ned Gulley liked Problem 42695. Replace secondary diagonal elements of a square array

on 17 Dec 2015

Ned Gulley submitted Problem 42639. Find the Final State of an Abelian Sandpile to Community

on 29 Sep 2015

Ned Gulley received Likeable badge for Problem 660. Find a subset that divides the vector into equal halves

on 12 Aug 2015

Ned Gulley submitted Solution 706152 to Problem 42461. This is a palindrome and so am I

on 24 Jul 2015

Ned Gulley submitted a Comment to Problem 42346. Create a Matrix of Zeros

I fixed the problem in the test suite.

on 17 Jun 2015

Ned Gulley submitted a Comment to Problem 42347. Create a Standard Size Vector

I fixed the test.

on 17 Jun 2015

Ned Gulley submitted a Comment to Problem 8058. Kinetic Energy

I cleaned up the problem and fixed the test suite.

on 9 Apr 2015

Ned Gulley submitted a Comment to Problem 8044. Potential Energy

Juan, could you provide a little more information in the problem statement? What are the inputs? In what units? On what planet?

on 30 Mar 2015

Ned Gulley submitted a Comment to Problem 3076. Create a vector

I changed the problem slightly and added some more test cases.

on 11 Mar 2015