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MathGroup Archive 1998

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Re: Sorting of Data Lists




CFreitas@swri.edu wrote:

> I have two equal length vector sets of data.  I wish to form a third vector
> whose elements are the minimum values from each component of the other two
> vectors; i.e., if a(i) < b(i), then c(i) = a(i), else c(i) = b(i).  I have
> tried many different methods within Mathematica 3.0 and have not been
> successful.  I would appreciate any suggestions as to how to accomplish this
> task.
> Thank you.
>
> Dr. Christopher J. Freitas
> Principal Engineer - Computational Mechanics
> Southwest Research Institute
> Voice: 210-522-2137, Fax: 210-522-3042

  You may try this:

c[a_,b_]:=Min /@ Transpose[{a,b}]

In[3]:=
a={1,2,3};
b={3,2,1};
c[a,b]
Out[3]=
{1,2,1}


Edward Neuman




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