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Ingy döt Net 2013-04-10 23:57:08 -07:00
parent 47bf37c096
commit b83f433714
12433 changed files with 156208 additions and 123 deletions
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Task/Optional-parameters/Mathematica/optional-parameters.math Normal file
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Options[OptionalSort]={ordering->lexicographic,column->1,reverse-> False};
OptionalSort[x_List,OptionsPattern[]]:=If[OptionValue[reverse]==True,
SortBy[x ,#[[OptionValue[column]]]&]//Reverse,
SortBy[x,#[[OptionValue[column]]]&] ]
OptionalSort[{{"a" ,"b", "c"}, {"", "q", "z"},{"zap" ,"zip", "Zot"}} ]
->{{,q,z},{a,b,c},{zap,zip,Zot}}
OptionalSort[{{"a" ,"b", "c"}, {"", "q", "z"},{"zap" ,"zip", "Zot"}},{ordering->lexicographic,column->2,reverse-> True} ]
->{{zap,zip,Zot},{,q,z},{a,b,c}}