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test
Fs = 8000 ; Ts = 1/Fs ; t = 0 :Ts :1 ; x = 50*cos(2*pi*300*t) + 35*cos(2*pi*800*t) + 25*cos(2*pi*2000*t) ; y = x + 10*randn(size(t)) ; Y = fft(y) ; moduleY=abs(Y) ; f = 0 : Fs ; plot(f(1 :2000) , moduleY(1:2000))
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matlab - chain
Delsq
tasksss
Am Ac
octave ws 1 8-23
Krylov.m
Delsq
Arnoldi.m
Laplacian
Krylov.m
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