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goc3

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Halliburton Drill Bits & Services

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Materials Scientist / Metallurgist / Mechanical Engineer
Professional Interests: Data automation, synthesis, and analysis

Professional Interests

Data automation, synthesis, and analysis

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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 Solution 832963 to Problem 42665. sort matrix

on 19 Feb 2016

goc3 submitted Solution 832665 to Problem 42732. Average Grade

on 19 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 820347 to Problem 561. Find the jerk

on 4 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 812137 to Problem 387. drowsy?

on 22 Jan 2016