how to fit a signal using polynomial fit with hogher order?
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I have a amplitude value with time period of a signal. I am trying to fit this signal by polynomial fitting. I have attached the amplitude vaueand written the code but it is not fitting. Is it possible to it using higher order of polynomial. I want to fit the curve using higher polynomial order (i.e. greater than 9) but it is not done. Please help me to solve this,
filename = 'value.xlsx';
A = xlsread(filename);