how to plot geometric figures?

bsd
2011 8 29
5 个回答
回答已采纳
更新时间：2019 10 27
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1 个投票

Dear sir/madam,
I am working on geometric shapes. I need to plot geometric shapes like square, rectangle, triangle etc... in matlab. How could I do this in matlab? Looking forward to hearing from you soon.
Thanking you, BSD

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Walter Roberson
Walter Roberson 2011-8-29

0 个投票

Consider also patch()
rectangle() can be used to plot squares, rectangles, ellipses, and circles.

更多回答（4 个）

Honglei Chen
Honglei Chen 2011-8-29

0 个投票

You can just give the coordinates for each vertex, e.g., for square
plot([0 1 1 0 0],[0 0 1 1 0])
If you don't want the axes, you can do
axis off
If you want to be fancy, you can wrap the above code in a function and take the width as the input and then calculate the vertex coordinates inside the function.
HTH
Florin Neacsu
Florin Neacsu 2011-8-29

0 个投票

Hello,
You might want to have a look at geom2d on the file exchange.
Regards, Florin

0 个投票

hello brother, you can use GeoGebra app and copy the coordinate of your shape from GeoGebra to matlab one by one.
Steven Lord
Steven Lord 2018-2-17

0 个投票

If you're using release R2017b or later, use the polyshape function.

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