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Materials Scientist / Metallurgist / Mechanical Engineer

Professional Interests: Data automation, synthesis, and analysis

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Data automation, synthesis, and analysis

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goc3 submitted Solution 901438 to Problem 42844. Detect pair of equal values in a Matrix

on 3 Jun 2016 at 16:04

goc3 submitted Solution 839058 to Problem 42757. Convert integer to base26 using letters

on 26 Feb 2016

goc3 submitted a Comment to Problem 42754. Odd elimination

Similar to, though simpler than, James's decimation problem: https://www.mathworks.com/matlabcentral/cody/problems/1092-decimation.

on 25 Feb 2016

goc3 submitted a Comment to Solution 830802

Same problem as noted in the other comment. You get the correct P_avg here but not NP because the sprint is so short that the 30-second rolling average (applied twice) is rounded to the same answer. Unrounded P_avg answers for this routine and the correct routine are 131.3638 and 131.1111, respectively. Given that answers are being rounded, it may look wrong since the P_avg calculation appears to be right (due to rounding) while NP was wrong when both were actually wrong.

on 18 Feb 2016

goc3 submitted a Comment to Solution 830776

Note in the last paragraph of the explanation: "You will be provided with the 30-second rolling average power data set (vector)." In essence, your solution is calculating the 30-second rolling average of a 30-second rolling average data set.

on 18 Feb 2016

goc3 submitted Solution 826243 to Problem 2542. Convert a grayscale image into RGB colour format, preserving data type

on 12 Feb 2016

goc3 submitted Solution 826241 to Problem 2542. Convert a grayscale image into RGB colour format, preserving data type

on 12 Feb 2016

goc3 submitted Solution 826238 to Problem 2600. Find out the Gray Code for a Given Binary Number

on 12 Feb 2016

goc3 submitted Solution 823098 to Problem 1833. Usage of java.math : Add, Multiply, Pow

on 9 Feb 2016

goc3 submitted Solution 823071 to Problem 934. Find: Faster Alternatives for Large Sorted/Unique Vectors

on 9 Feb 2016

goc3 submitted Solution 822324 to Problem 266. Return the Nth Output from an Input Command

on 8 Feb 2016

goc3 submitted a Comment to Problem 1259. It's race time again! Write a function that is at least twice as fast as the test suite call of repmat().

This doesn't seem to be possible anymore: http://stackoverflow.com/questions/28722723/matlab-bsxfun-no-longer-faster-than-repmat. Any chance of updating the problem with looser time tolerances?

on 22 Jan 2016

goc3 submitted Solution 812130 to Problem 1237. It's race time! Write a faster function than the test suite call of unique().

on 22 Jan 2016