6/1/2023 0 Comments Eis fitting free softwareThe more complicated the model gets, the more likely the software is to fail in its attempt to fit the data – or it returns a fit which looks ok on the plot but has huge errors for some of the terms. Impedance software uses non-linear least squares regression to fit the data to the models, and they need reasonable values to start with to converge on a solution. I know from personal experience that knowing the basics well enough to interpret a very simple and well-defined experiment is one thing – but actually taking that knowledge and trying to make sense of the response of a complex ‘real’ system is another.Īs equivalent circuits become more complicated, they become harder to fit correctly. << Go back: three- and four-electrode measurements A short example of equivalent circuit fitting with real data
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