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Undocumented form for Extract

list-manipulation undocumented asked Apr 16, 2014 at 22:04

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25 votes

Faster position list construction from a "take instructions" list

list-manipulation performance-tuning algorithm index asked Mar 17, 2015 at 22:49

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25 votes

More efficient way of generating list of occurrence counts?

list-manipulation performance-tuning asked Jan 14, 2014 at 2:19

mathematica.stackexchange.com

22 votes

What's going on with performance of Tally here?

list-manipulation functions performance-tuning asked May 9, 2015 at 1:40

mathematica.stackexchange.com

19 votes

Possible bug in OrderDistribution? [Update: Confirmed by Wolfram Research and enqueued.]

bugs probability-or-statistics distributions asked Dec 14, 2018 at 9:49

mathematica.stackexchange.com

17 votes

Unexpected slowness checking for empty list?

list-manipulation performance-tuning expression-test asked Mar 25, 2015 at 1:04

mathematica.stackexchange.com

15 votes

Faster position-based duplicate removal in a ragged array?

list-manipulation performance-tuning asked Aug 9, 2015 at 7:54

mathematica.stackexchange.com

15 votes

Finding column with maximum sum of by-element products of column subsets efficiently?

performance-tuning asked Sep 26, 2016 at 9:19

mathematica.stackexchange.com

14 votes

Strange behavior of RandomVariate for Binomial distribution?

probability-or-statistics random distributions asked Aug 26, 2015 at 8:25

mathematica.stackexchange.com

14 votes

What's going on here? Some kind of rationalization "under the covers"?

bugs polynomials version-9 asked Dec 14, 2015 at 7:45

mathematica.stackexchange.com

Top Answers

Can Mathematica's random number generation be improved?

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Mathematica vs. MATLAB philosophy

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Moving maximum function?

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What are the cool kids talking about when they use ##&[]?

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Visualization: elliptical insights into data sets…

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Transform a number to a factorial

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An Intersection function on lists that saves intersection positions

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Defining indefinitely many functions

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Count the times a digit has appeared in a list as I scan the list

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Position and string patterns

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Removing elements from a list which appear in another list

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Solve this probability problem symbolically

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Number by permutation

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Select Pairs in a List

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Can this be solved even faster?

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