MathGroup Archive 1999

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List Position

  • To: mathgroup at smc.vnet.net
  • Subject: [mg15740] List Position
  • From: Harry flynn <harry.f at ukonline.co.uk>
  • Date: Fri, 5 Feb 1999 03:42:34 -0500 (EST)
  • Sender: owner-wri-mathgroup at wolfram.com

Can anyone tell me how I find the position in a list of the first value
less than or equal to zero.
For example, how can I get Mathematica to tell me that in the list
{{1},{1},{2},{8},{-3}}
that the first value of interest to me is position 5. Thanks in advance.
Harry.



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