Fitting variabes in global fitting

Hi all, I have a question regarding fitting functions.

I'm doing a temperature study in order to get activation energy as well as the Arrhenius prefactor. Let me show you the form of my equation to be fit, which is a combination of first order kinetics and the Arrhenius equation.

ln(1−y/
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John Weeks
WaveMetrics, Inc.
support@wavemetrics.com