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MathGroup Archive 2004

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message 50001?

  • To: mathgroup at
  • Subject: [mg50001] message 50001?
  • From: "1.156" <rob at>
  • Date: Wed, 11 Aug 2004 05:52:54 -0400 (EDT)
  • Sender: owner-wri-mathgroup at

Mathematica wizards, I've managed to cripple together code to do something that 
I feel must be doable more easily and/or faster.

S is a list of reals containing a signal with a prominent peak in 
amplitude. I simply want to find the index of the peak (x, the number of 
entries into the list where the peak occurs). Here's what I did.

For[i = 1, S[[i]] ? max[S], i++, x = i];

Can some suggest a better way, especially one not using a For loop?

Thanks, Rob

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