How to plot data against samples
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let say I have sample 1000 and myData = rand(1,samples) how can I plot myData against samples do I tried
figure
plot(myData);
and
figure
plot(sample);
but I got nothing show on my window
0 个评论
回答(1 个)
Star Strider
2015-10-9
See if this does what you want:
figure(1)
plot(myData)
hold on
plot(sample)
hold off
2 个评论
Star Strider
2015-10-9
It actually did work. Your ‘sample’ is a single data point plotted at (0,1000). Your ‘myData’ vector are a sequence of random floating-point numbers on the interval (0,1). The plot scales them linearly in both axes, so the random vector appears as a line on the x-axis.
To see this, plot them logarithmically:
sample = 1000;
myData = rand(1,sample);
figure(1)
semilogy(myData, '-r')
hold on
plot(sample, 'bp')
hold off
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