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Sorting nested lists

• To: mathgroup at smc.vnet.net
• Subject: [mg108464] Sorting nested lists
• From: Canopus56 <canopus56 at yahoo.com>
• Date: Fri, 19 Mar 2010 02:46:39 -0500 (EST)

I have a list of x, y, z triples in the form: 
{{350.17,-43.6426,1768. 77},{350.17,-43.5582,1259.67},{350.17,-43.5308,967.89},{350.17,-43.5839,1689.8},{350.17,-43.6445,1753.05},{350.17,-43.6114,2021.65},{350.17,-43.5327,977.36},{350.17,-43.5601,1289.87},{350.17,-43.5858,1720.39},{350.17,-43.6464,1736.25}}
How do I sort a nested list where I want the sort order to be major x-ascending, minor subsort with y-ascending? 
Thanks, Kurt      

• Follow-Ups:
  • Re: Sorting nested lists
    • From: Leonid Shifrin <lshifr@gmail.com>