How can i write the frequency vector for frequency range 5-400 hz using 50 frequncy points
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Wayne King 2012 年 7 月 13 日
Hi Lisa, you cannot have 50 frequencies in 30 elements. Obviously whatever Q is here (is it a power spectral density estimate?) is an estimate at only 30 frequency points.
You can space your frequency vector to cover 5 to 400 Hz with fifty points and then select a subset of those 50 so that you can plot(f,Q)
freq = linspace(5,400,50);
% just making up some junk data to plot
Q = abs(randn(30,1));