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Curve fitting

  1. Jan 18, 2008 #1
    Hi guys,
    I have been out of school for a couple of years and I forgot when is it OK to consider a curve crossing at certain value. Let me explain.
    I am measuring signal in a titration experiment. The outcome is a typical saturation curve (growth curve), a hyperbola.
    I am wondering if it is OK to set the curve to pass through [0,0]. I subtract the blank and so theoretically, IMO the signal at 0 should be 0.
    Can you help me or direct me to a webpage where I can refresh my knowledge on this subject?
    Thanks.
     
  2. jcsd
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