How can I draw a line from center of multiple circles that will intersect all the circles?

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Zara Khan 2019-1-19

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https://ww2.mathworks.cn/matlabcentral/answers/440519-how-can-i-draw-a-line-from-center-of-multiple-circles-that-will-intersect-all-the-circles

评论： Star Strider 2019-1-22

figure.png

I want to multiple circles with same center but different radius. Later on I want add a line from center that will intersect all the cirles. I am attaching a figure to demonstrate how will be my expected output.

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采纳的回答

Star Strider 2019-1-19

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此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/440519-how-can-i-draw-a-line-from-center-of-multiple-circles-that-will-intersect-all-the-circles#answer_357144

在 MATLAB Online 中打开

Try this:

t = linspace(0, 2*pi);
r = [1, 2, 3];
xc = 0.5;
yc = 0.1;
xcir = (r(:)*cos(t))' + xc;
ycir = (r(:)*sin(t))' + yc;
figure
hold all
plot(xcir, ycir)
plot([xc, xc+5], [yc, yc], '-r')
hold off
axis equal
text(xc+r, yc*ones(1,numel(r)), ['$\frac{D}h$', compose('$\\frac{%dD}h$', r(2:end))], 'HorizontalAlignment','left', 'VerticalAlignment','top', 'Interpreter','latex', 'FontSize',12)