Changing curve

[Jeff Smith]

Hi. Does anyone here know enough math to put some English into a formula for a curve whose radii keep changing? Thanks.

 

[Harry_the_cat]

Hi. Does anyone here know enough math to put some English into a formula for a curve whose radii keep changing? Thanks.

Pardon?

 

[Deleted member 4993]

Hi. Does anyone here know enough math to put some English into a formula for a curve whose radii keep changing? Thanks.

Are you playing billiards or snookers? Different rules you know....