Generate a Sine Wave in which I can change the sampling rate.

2014 8 11
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更新时间：2014 8 14
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i wish to generate a basic sine wave and then plot it.
i then wish to take that basic sine wave and change the sampling rate (say from 1 to 10 to 100 to 1000 sampling points).
i do not have simulink. thanks.

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Adriano Bittar
Adriano Bittar 2014-8-11
编辑：Adriano Bittar 2014-8-11

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%asks for sample rate
sample_rate = input('Type the sample rate:\n')
%time
t=0:2*pi/sample_rate:2*pi;
%discrete plot
stem(t,sin(t))

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Rory
Rory 2014-8-14
would you know how to make the plot have an x-axis of 0-7 milliseconds and the y axis to have -30 to +50 millivolts?

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