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plot a discrete signal

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ayman daraghmah
ayman daraghmah 2015-9-30
编辑： Adam 2015-9-30
[x,fs2,nbits2]= wavread('w.wav');
stem(x);
I want to plot a 20 samples section of x.

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Adam
Adam 2015-9-30
编辑：Adam 2015-9-30
stem(x(1:20))
will plot the first 20 samples of x, assuming it has that many. Or
stem(x(345:364))
etc, to plot some other arbitrary section of 20 samples.

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