Re: List Position

*To*: mathgroup at smc.vnet.net*Subject*: [mg15758] Re: [mg15740] List Position*From*: "Arnold Knopfmacher" <arnoldk at gauss.cam.wits.ac.za>*Date*: Sun, 7 Feb 1999 02:03:43 -0500 (EST)*Organization*: CAM,University ofthe Witwatersrand*Sender*: owner-wri-mathgroup at wolfram.com

Harry, Position [{{1},{1},{2},{8},{-3}},x_ /;x<=0][[1,1]] 5 > 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. > > >