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MathGroup Archive 1999

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  • To: mathgroup at smc.vnet.net
  • Subject: [mg19152] Sort
  • From: "Hermann Meier" <hmeier at webshuttle.ch>
  • Date: Thu, 5 Aug 1999 23:58:54 -0400
  • Organization: EUnet AG
  • Sender: owner-wri-mathgroup at wolfram.com

Sort is not reliable. Try the following (Mathematica Version 4):

In[1]:=
Sort[{0, -Sqrt[2], 5}]

Out[1]=
{0, 5, -Sqrt[2]}

In[2]:=
Sort[{0., -Sqrt[2], 5}]

Out[2]=
{0., 5, -Sqrt[2]}


One has to apply N to the list to get the correct result:

In[3]:=
Sort[N[{0., -Sqrt[2], 5}]]

Out[3]=
{-1.414213562, 0., 5.}


HM




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