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Re: Question on Map or Apply


LectorZ wrote:
> Hi guys,
> 
> I am trying to apply DaysBetween function to the following list:
> 
> list={{{2006, 1, 16}, {2006,
>       3, 31}}, {{2006, 1, 24}, {2006, 3, 31}}, {{2005, 6, 17}, {2006,
> 3, 31}}}
> 
> DaysBetween[list[[1, 1]], list[[1, 2]]] works well.
> What I need is to apply DaysBetween on the whole list conaining 3
> sublists and getting a new list as a result containing 3 numbers.

Hi Lector,

Try

In[1]:=
lst = {{{2006, 1, 16}, {2006, 3, 31}},
     {{2006, 1, 24}, {2006, 3, 31}},
     {{2005, 6, 17}, {2006, 3, 31}}};

In[2]:=
Needs["Miscellaneous`Calendar`"]

In[3]:=
(DaysBetween[#1[[1]], #1[[2]]] & ) /@ lst

Out[3]=
{74, 66, 287}

Best regards,
Jean-Marc


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