Timeline for Function describing two circles
Current License: CC BY-SA 4.0
5 events
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Mar 2, 2022 at 22:38 | comment | added | Googlebot | Because I look for a general function to describe it. I can think of two ways to do so, (i) with PDF similar to head equation, or (ii) by Fourier series. But there should be a simpler way, as the key is where the $c_1 - c_2 < r_1+r_2$. | |
Mar 2, 2022 at 21:57 | comment | added | Ethan Bolker | Why should there be a rule? You might remove one degree of freedom by requiring the tangent lines at the intermediate control points be reflections of each other across a vertical axis. | |
Mar 2, 2022 at 21:55 | history | edited | Ethan Bolker | CC BY-SA 4.0 |
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Mar 2, 2022 at 21:05 | comment | added | Googlebot | I thought of a cubic spline, as I used one to draw the red line. The point is that I could not find a general rule for the place of control points. I can visually find a rule, but what is the mathematical rule for the changes in the coordinates of the control points changing the black line into the blue line? | |
Mar 2, 2022 at 21:00 | history | answered | Ethan Bolker | CC BY-SA 4.0 |