How to plot a matrix neglecting first two points?

2016 4 20
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更新时间：2016 4 20
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provided matrix
x 1 2 3 4 5 6 7
y 10 15 11 7 8 9 20
it is only needed to plot
x 3 4 5 6 7
y 11 7 8 9 20

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J. Webster
J. Webster 2016-4-20

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plot(x(3:end), y(3:end))

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Sajith Galgamuwa
Sajith Galgamuwa 2016-4-20
编辑：Sajith Galgamuwa 2016-4-20
plot(Xhsaved(1,:), Xhsaved(2,:), 'bs') ;
I have to alter this..help
J. Webster
J. Webster 2016-4-20
编辑：J. Webster 2016-4-20
plot(Xhsaved(1,3:end), Xhsaved(2,3:end), 'bs')
you can learn all you need about matrix indexing here... http://www.mathworks.com/company/newsletters/articles/matrix-indexing-in-matlab.html

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