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Re: extracting a list to a list, help please


On Feb 9, 2004, at 5:54 AM, Serge wrote:

> Hello,
>
> I am a beginner in Mathematica and I have a rather simple question. I
> made some calculations that I need for an orbit and I have a list that
> look like this:
>
> mylist1 = {{a1,b1,c1,d1},{a2,b2,c2,d2},{a3,b3,c3,d3},etc}
>
> All I want to do is to make a list of the form
>
> mylist2 = {{a1,b1},{a2,b2},{a3,b3},etc}
>
> from the original list (mylist1),
>

Take[#,2]&/@mylist1

Regards,

Ssezi


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