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MathGroup Archive 2004

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Changing the Natural Sort Order

  • To: mathgroup at smc.vnet.net
  • Subject: [mg49144] Changing the Natural Sort Order
  • From: "David Park" <djmp at earthlink.net>
  • Date: Mon, 5 Jul 2004 04:54:23 -0400 (EDT)
  • Sender: owner-wri-mathgroup at wolfram.com

Dear MathGroup,

Is it possible to change the natural sort order of symbols that is used in Sort?

I would like something like the following statement (that does not work).

Assuming[d < b < c, Sort[{a, b, c, d, f}]]

giving the desired output

{a,d,b,c,f}

I won't be sorting simple lists of symbols, but lists of similar, but unspecified, expressions that contain the symbols. For example...

{h[x,g[a]], h[x,g[b]], h[x,g[c]], h[x,g[d]], h[x,g[f]]}

which should give

{h[x,g[a]], h[x,g[d]], h[x,g[b]], h[x,g[c]], h[x,g[f]]}

Is there any way to do this?

David Park
djmp at earthlink.net
http://home.earthlink.net/~djmp/ 




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