Last Friday of each month: Difference between revisions
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=={{header|Mathematica}}== |
=={{header|Mathematica}}== |
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<lang Mathematica>Needs["Calendar`"] |
<lang Mathematica>Needs["Calendar`"] |
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FridaysOfTheYear[Y_] := Cases[Map[{#,DayOfWeek[#]}&,DaysPlus[{Y,1,2}, #]&/@Range[365],{1}], |
FridaysOfTheYear[Y_] := Cases[Map[{#,DayOfWeek[#]}&,DaysPlus[{Y,1,2}, #]&/@Range[365],{1}],{x_,Friday}->x]; |
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Last[SortBy[Cases[FridaysOfTheYear[2011], {_,#,_}], #[[3]] &]]& /@ Range[12] // Column</lang> |
Last[SortBy[Cases[FridaysOfTheYear[2011], {_,#,_}], #[[3]] &]]& /@ Range[12] // Column</lang> |
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Output: |
Output: |
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