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MathGroup Archive 1998

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Re: Unexpected results

  • To: mathgroup at smc.vnet.net
  • Subject: [mg14239] Re: [mg14212] Unexpected results
  • From: BobHanlon at aol.com
  • Date: Mon, 12 Oct 1998 13:51:25 -0400
  • Sender: owner-wri-mathgroup at wolfram.com

Dan,

Log[x] is the natural (base e) log.  For the base 10 log you need to use
Log[10, x].

Plot[10^Log[10, x], {x, 0,10}];

See on-line help for Log.

Bob Hanlon

In a message dated 10/7/98 5:39:30 AM, dzepeda at ringer.cs.utsa.edu wrote:

>Why doesn't
>
>Plot[10^Log[x], {x, 0,10}] 
>
>plot what I expect? I expect it to plot y=x, but it doesn't, it plots an
>what looks like an exponential curve. 


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