How to skip data point by plotting in 2D-curves surf-curve?

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I would like to know how to skip data points by plotting 2d-curves?
For example, let:
x = 0:pi/100:2*pi;
y = sin(x);
plot(x,y);
What should I write if I want to display only every n-ten data point?
Thank you in advance Emerson

Accepted Answer

Fangjun Jiang
Fangjun Jiang on 19 Oct 2011
x = 0:pi/100:2*pi;
y = sin(x);
M=numel(x);
n=7;
index=1:n:M
plot(x(index),y(index));
  2 Comments
Fangjun Jiang
Fangjun Jiang on 20 Oct 2011
It is not available.
http://www.mathworks.com/support/solutions/en/data/1-15B707/index.html?solution=1-15B707

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