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Log Error

  • To: mathgroup at smc.vnet.net
  • Subject: [mg78805] Log Error
  • From: Laurence Kohn <L_Kohn at Nesbittgraphics.com>
  • Date: Tue, 10 Jul 2007 06:27:07 -0400 (EDT)

Hi,

I had a question about something I found in Mathematica 5.2...   I was
plotting Log[x-1]-2 with x = {0,10} and y =  {-10,5} and strangely found
that the graph crossed the x-axes at approximately x == 8  ...

It should be 101 of course, but it seemed like 8.   Then I did an Nsolve
with the equation set to 0, and low and behold got an answer x == 8.38906.

Is this a bug in mathematica or am I missing something here?





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