Confusion of the G from the function of [B,G]=sgolay(...)

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yang yang 2013-1-30

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https://ww2.mathworks.cn/matlabcentral/answers/60310-confusion-of-the-g-from-the-function-of-b-g-sgolay

关闭： MATLAB Answer Bot 2021-8-20

Hi, I am confused about the meaning of xp((f+1)/2) = (factorial(p)) * g(:,p+1)' * x, which comes from the Matlab Help for sgolay. Matlab tells me that it is the differentiation. However, book tells me that it is the derivative. So what does it represent?

Thanks,

Yang