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University of Sussex and University of Southampton

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Professional Interests: Image Processing

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Image Processing

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David Young submitted Solution 406839 to Problem 1665. Create a row array using double colon operator

on 20 Feb 2014

David Young submitted a Comment to Problem 2202. Flip the bit

The test suite does not check that the solution is a character string, but the problem definition requires that it should.

on 20 Feb 2014

David Young submitted Solution 62214 to Problem 498. Find the Kronecker Tensor Product without using KRON

on 16 Mar 2012

David Young submitted Solution 60826 to Problem 242. Make a function that returns its own character count

on 14 Mar 2012

David Young submitted Solution 60825 to Problem 412. Back to basics 22 - Rotate a matrix

on 14 Mar 2012

David Young submitted Solution 60440 to Problem 242. Make a function that returns its own character count

on 13 Mar 2012

David Young submitted Solution 60043 to Problem 242. Make a function that returns its own character count

on 12 Mar 2012

David Young submitted Solution 58971 to Problem 241. Project Euler: Problem 7, Nth prime

on 10 Mar 2012

David Young submitted Solution 58970 to Problem 193. Smallest distance between a point and a rectangle

on 10 Mar 2012

David Young submitted Solution 58511 to Problem 319. Biggest Value in the (Neighbor)Hood

on 9 Mar 2012

David Young submitted Solution 58510 to Problem 319. Biggest Value in the (Neighbor)Hood

on 9 Mar 2012

David Young submitted Solution 58508 to Problem 319. Biggest Value in the (Neighbor)Hood

on 9 Mar 2012

David Young submitted Solution 58503 to Problem 319. Biggest Value in the (Neighbor)Hood

on 9 Mar 2012

David Young submitted Solution 58502 to Problem 319. Biggest Value in the (Neighbor)Hood

on 9 Mar 2012

David Young submitted a Comment to Problem 341. count to vector

It would be helpful if the text gave an example. Also, the test suite should be much richer - only two special cases does not really encourage people to write general solutions.

on 8 Mar 2012

David Young submitted Solution 58282 to Problem 283. Give the Shortest Path Through The Maze

on 8 Mar 2012

David Young submitted Solution 57723 to Problem 283. Give the Shortest Path Through The Maze

on 7 Mar 2012

David Young submitted a Comment to Solution 21730

... though, just to be clear, the comment wouldn't be quite right, it still needs a little adjustment.

on 6 Mar 2012

David Young submitted a Comment to Solution 21730

This could be quite a good solution, if you removed the "x = 7; %" part and just left what is now a comment. As it is, although it satisfies the test case, it doesn't actually solve the problem.

on 6 Mar 2012

David Young submitted a Comment to Problem 116. Distance walked 2D

Needs a richer test suite. A lot of "solvers" have just put a=7 as the "solution", but although this satisfies the single test case, it doesn't solve the problem as stated.

on 6 Mar 2012

David Young submitted Solution 57164 to Problem 283. Give the Shortest Path Through The Maze

on 6 Mar 2012

David Young submitted Solution 57050 to Problem 283. Give the Shortest Path Through The Maze

on 5 Mar 2012

David Young submitted Solution 56897 to Problem 283. Give the Shortest Path Through The Maze

on 5 Mar 2012

David Young submitted a Comment to Problem 314. Find the sum of the elements in the "second" diagonal

You should definitely strengthen the test suite. Lots of solutions rely on both diagonals being the same, even though this is not a property of the stated problem.

on 1 Mar 2012

David Young submitted a Comment to Solution 43073

But you can't rely on x always being a magic square - that's just an accident of the inadequate test suite, isn't it? So although this *looks* like a good solution, it isn't really. I think it's bad practice to take advantage of an inadequate test suite.

on 1 Mar 2012

David Young submitted Solution 54642 to Problem 314. Find the sum of the elements in the "second" diagonal

on 1 Mar 2012

David Young submitted Solution 54640 to Problem 320. Maintain shape of logical-index mask

on 1 Mar 2012