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MathGroup Archive 2010

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newbie list question

  • To: mathgroup at smc.vnet.net
  • Subject: [mg114986] newbie list question
  • From: Gareth Edwards <gareth.edwards at cubicmotion.com>
  • Date: Sun, 26 Dec 2010 04:02:23 -0500 (EST)

Hi,

Liking Mathematica a lot, but struggling with the early part of the learning curve, i.e. don't know what I don't know...

What would be the neatest syntax for finding the first location of elements from one list in another? For example:

listA = { 4,5,8,2,6,4 }
listB = { 8,4,2 }


I would like a function to return {3,1,4} in this case (the first location in A of each element in B)

Many thanks!


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