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working with nested lists

• To: mathgroup at smc.vnet.net
• Subject: [mg127691] working with nested lists
• From: Levente <lemonlev at mac.com>
• Date: Wed, 15 Aug 2012 03:34:26 -0400 (EDT)
• Delivered-to: l-mathgroup@mail-archive0.wolfram.com
• Delivered-to: l-mathgroup@wolfram.com
• Delivered-to: mathgroup-newout@smc.vnet.net
• Delivered-to: mathgroup-newsend@smc.vnet.net

I'm trying to apply a transformation to a every element in a nested list. The issue is that each sub-list has a different length

Example of the list: 
myList={{{-33.355 Degree, 278.265}, {-33.486 Degree, 
  155.871}, {-60.650 Degree, 27.534}},
{{-38.418 Degree, 148.054}, {-165.173 Degree, 70.342}}};

This is what I am trying and does not work: 
Do[
 Table[{myList[[k, i, 1]], myList[k, i, 2]] (-1)/Sin[myList[[k, i, 1]]]}, {i, 
   Length[myList[[k]]]}], {k, Length[myList]}]

Any tips?

• Follow-Ups:
  • Re: working with nested lists
    • From: Tomas Garza <tgarza10@msn.com>
  • Re: working with nested lists
    • From: Sseziwa Mukasa <mukasa@gmail.com>
  • Re: working with nested lists
    • From: Bob Hanlon <hanlonr357@gmail.com>