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Richard Zapor submitted a Comment to Solution 329487

Nice one-liner regexprep with skillful reading of the input string format. The processing and output string creation is an efficient marvel.

on 6 Oct 2013

Richard Zapor submitted a Comment to Solution 329484

Very elegant method to generate and utilize created optimal scores from the left. This solution is very fast and nearly linear with size.

on 6 Oct 2013

Richard Zapor submitted a Comment to Problem 955. ismember: Enhanced Time Performance for 'rows' - Speed Scoring (90% savings)

Jean-Marie, the methodology of converting multiple column value words into a single value has limited but specific applications where value ranges are limited. In the case of DNA sequencing the values can be made numeric 0:3. For ranges up to 255 the width gets limited to stay under the 2^64, or 2^53 limit for double. This challenge was a demonstration of a method to improve performance for functions like ismember.

on 3 Oct 2013

Richard Zapor submitted a Comment to Solution 325848

Two whole lines. Someone is slipping. I especially enjoyed the regexp implementation that created trailing spaces for the words using split. Line 2 will take much longer to digest.

on 30 Sep 2013