Creating a Cardioid, a Nephroid and Other Epicycloids
Creating a Cardioid, a Nephroid and Other Epicycloids
This Demonstration shows a cardioid traced by a point on a circle rolling around another circle of the same radius (). Different types of epicycloids can be seen with different radius values, for instance, a nephroid (for ). For large parameters, flower patterns are produced.
r=2
r=3
r