Posted: September 6th, 2015

Diffusivity of the fitting parameter

find D the diffusivity of the fitting parameter by using nonlinear least square fitting.
Where:
Where x is the depth and initial depth is 2mm
Is the concentration at depth x

Is the initial concentration, fitting parameter

We want to find D the diffusivity of the fitting parameter by using nonlinear least square fitting.

We are given the time and the concentration (experimental data)
We have to fit those experimental data to find the Nonlinear Model Fitting using Excel or mat lab or any language

So C0 and alpha are fitting parameter we have to find them

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