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Re: search nearest to elements in array (hash)

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Subject Re: search nearest to elements in array (hash)
Date Sat, 14 May 2011 16:28:57 -0500
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data = [1.1, 4.2, 3.1, 2.6, 6.1, 5.0]
needle = rand 10

arr = data.map do |num|
   [(num - needle).abs, num]
end

sorted = arr.sort_by {|sub_arr| sub_arr[0]}

puts needle
puts sorted.first[1]

--output:--
2
2.6

-- 
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Thread

search nearest to elements in array (hash) "Mateus .." <excanoe@gmail.com> - 2011-05-14 16:05 -0500
  Re: search nearest to elements in array (hash) serialhex <serialhex@gmail.com> - 2011-05-14 16:21 -0500
  Re: search nearest to elements in array (hash) 7stud -- <bbxx789_05ss@yahoo.com> - 2011-05-14 16:28 -0500
    Re: search nearest to elements in array (hash) Martin DeMello <martindemello@gmail.com> - 2011-05-14 16:33 -0500
    Re: search nearest to elements in array (hash) 7stud -- <bbxx789_05ss@yahoo.com> - 2011-05-14 16:36 -0500
  Re: search nearest to elements in array (hash) Martin DeMello <martindemello@gmail.com> - 2011-05-14 16:30 -0500
  Re: search nearest to elements in array (hash) "Mateus .." <excanoe@gmail.com> - 2011-05-15 01:33 -0500

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