User Leonid Shifrin - Mathematica Stack Exchange

Leonid Shifrin

Member for 11 years
Last seen more than a week ago

mathprogramming-intro.org
St. Petersburg, Russia

687 Answers

Score Activity Newest

25 votes

Accepted

How can I ensure that I am constructing patterns in the most efficient way possible?

answered Jan 19, 2012 at 16:39

24 votes

Accepted

How do I define an argument pattern for a Head of NOT a given value?

answered Nov 2, 2013 at 20:33

24 votes

Accepted

Importing an mx file into a context

answered May 1, 2014 at 11:24

24 votes

Accepted

What's the difference between these 2 associations?

answered Jan 27, 2021 at 17:57

24 votes

Accepted

Convenient string manipulation

answered Jan 20, 2012 at 16:13

24 votes

Accepted

Why does Mathematica claim there is no even prime?

answered Jan 24, 2012 at 13:11

24 votes

Accepted

Mathematica for Computer Scientists

answered Jun 28, 2012 at 20:37

24 votes

How to efficiently find positions of duplicates?

answered Mar 14, 2013 at 21:31

24 votes

What tools can help in realizing tail recursion?

answered Mar 21, 2013 at 1:48

23 votes

Accepted

Nest , Fold ... is there an extension for more than 2 arguments?

answered Dec 27, 2013 at 13:56

23 votes

How to compare power towers in Mathematica?

answered May 8, 2013 at 13:04

23 votes

Accepted

Custom functions by delegating options in a specific way and using core functions

answered Apr 4, 2013 at 20:07

23 votes

Accepted

Strange behavior with Cases and Position with SetDelayed

answered Aug 19, 2015 at 16:54

23 votes

Accepted

How can I separate a separable function

answered Jul 10, 2012 at 14:59

23 votes

Accepted

Performance tuning for game solving (peg solitaire | senku)

answered Jun 16, 2012 at 15:40

23 votes

Accepted

Get the name of a symbol passed to a function

answered Dec 4, 2012 at 13:07

23 votes

Accepted

Simpler input for the new unit support

answered Nov 28, 2012 at 20:18

23 votes

Injecting a sequence of expressions into a held expression

answered Feb 17, 2012 at 19:57

22 votes

How do I delete all items that occur more than once?

answered Feb 16, 2016 at 16:24

22 votes

Accepted

Strategies to compensate for lack of multi-document interface?

answered May 6, 2016 at 23:39

22 votes

Accepted

Is this a bug in Replace?

answered Sep 7, 2016 at 11:56

22 votes

Accepted

How do I save/export a list so that it can later be easily imported as a list again?

answered Jun 24, 2014 at 22:03

22 votes

Accepted

Is it possible to Clear all variables (but not functions)?

answered Sep 26, 2012 at 22:19

22 votes

Accepted

Implementing a function which generalizes the merging step in merge sort

answered Jun 17, 2012 at 8:36

22 votes

Faster alternatives for DayOfWeek

answered Jun 20, 2012 at 19:45

22 votes

Accepted

Why modules with no variables?

answered Jul 12, 2012 at 11:18

22 votes

Accepted

Mathematica Destructuring

answered Jul 17, 2012 at 0:03

22 votes

Accepted

Determining all possible traversals of a tree

answered May 18, 2012 at 21:57

22 votes

Accepted

Is it possible to use PatternTest and Optional value on one Pattern simultaneously?

answered Jan 13, 2013 at 15:03

21 votes

Accepted

How do I override options with my own defaults?

answered Nov 12, 2014 at 20:18

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