Help me draw the region in matlab ?

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Nguyen Trong Nhan
Nguyen Trong Nhan 2013-12-24
评论： Image Analyst 2013-12-24
For the region ,draw the region D and color the region D. a) D : x^2 + y^2 = 2x, x^2 + y^2 = 2y b) x^2 + y62 <= 2y, 0<=x<=y*sqrt(3) thanks very much.

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Image Analyst
Image Analyst 2013-12-24
Why don't you solve the equation for y, then use linspace() to create a vector for x? Plug that vector into your equation to get values for y, and then plot them with plot(x, y, 'ro-') and see what you have and what regions get formed. Then use patch() or fill() to color the region.
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Nguyen Trong Nhan
Nguyen Trong Nhan 2013-12-24
Oh, I have done it and I see the problem. thanks you very much.
Image Analyst
Image Analyst 2013-12-24
You could use plot(), which you probably did. Can you mark the Answer as Accepted to close it out?

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