How insert marker points on plot

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Bruno
Bruno 2014-1-26
回答： Amit 2014-1-26
I have a plot of the following data : t=0:0.001:10; y=0.2*cos(t) + cos(1.4*t) + 0.8*cos(5.2*t) + 0.02*randn(1, 10001); I want insert 8 marker points (I) on the plot, in other words I want highlight these points with Circle or Asterisk I= (1, 1430, 2859, 4288, 5717, 7146, 8575, 10001). Thanks

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Amit
Amit 2014-1-26
After your plot of all the points:
hold on;
I = [1, 1430,2859,4288,5717,7146,8575,10001];
plot(t(I),y(I),'*b');

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