Vary 5 parameter equation to obtain curve fit to test data

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Adrian 2012-12-4

关闭： MATLAB Answer Bot 2021-8-20

How do i automatical vary the 5 parameters in the below equation to match the orignal curvefit from a data set ia,t

Equation

ia = ((Vq/xd)+((Vq/x1d)-(Vq/xd))*exp(-t/Td1)+((Vq/x11d)-(Vq/x1d))*exp(-t/Td11)).*cos(w*t+lam);

Constants; Vq,w & lam

Variables; xd,x1d,x11d,Td1,Td11

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