How to perform this Complex Exponential Fitting?
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Experiment result can be represented as a sum of damped exponential, sum over 1..k.
The experimental result, y, is vector from 1..n;
a, d, w, p are parameters to fit, k sets; total parameters to fit are 4*k (or an array of [4 k]);
Only initial k values of "w" can be known a-prior pretty accurately;
How to write a code to do this fitting?
Thanks in advance!