How to translate the circle points to new co-ordinate system?

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Swapnil Rane 2018-3-23

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https://ww2.mathworks.cn/matlabcentral/answers/390322-how-to-translate-the-circle-points-to-new-co-ordinate-system

回答： Image Analyst 2018-3-23

Fitting a circle with equation (x-xo)^2+(y-yo)^2=ro^2 in matlab curve to calculate xo,yo,ro. So that I could transform (x,y) co-ordinates to (X,Y) co-ordinates. How to transform the co-ordinates?

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Answer 1

Image Analyst 2018-3-23

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/390322-how-to-translate-the-circle-points-to-new-co-ordinate-system#answer_311634

I have no idea what you're asking for. So I'll offer this. To fit a circle to x,y data, see the FAQ:

http://matlab.wikia.com/wiki/FAQ#How_can_I_fit_a_circle_to_a_set_of_XY_data.3F

To create a circle, see the FAQ:

http://matlab.wikia.com/wiki/FAQ#How_do_I_create_a_circle.3F

I don't know what it means to "transform (x,y) co-ordinates to (X,Y) co-ordinates." so if the FAQ doesn't show you what you need, then you're going to have to explain what "transform" means to you.