plotting cardioid and circle in one graph

2015 11 27
2 个回答
更新时间：2023 3 20
5 次查看（30 天）

0 个投票

hi. how do i plot the cardioid and the circle in one graph? here's the equation of cardioid=1+cos(t) and cirle=3*cos(t).

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回答（2 个）

Thorsten
Thorsten 2015-11-27
编辑：Thorsten 2015-11-27

1 个投票

Use polar
theta = linspace(0, 2*pi);
polar(theta, 1+cos(theta))
hold on
polar(theta, 3*cos(theta), 'r')
or if you prefer a Cartesian plot
r = 1+cos(theta);
plot(r.*cos(theta), r.*sin(theta))
hold on
r = 3*cos(theta);
plot(r.*cos(theta), r.*sin(theta), 'r')
axis equal

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