What you call a point a long a smooth curve where the radius changes? When it reverses curvature, it’s an “inflection point”. What if it doesn’t change direction, just radius? I seem to remember another term.
2026-03-27 04:58:56.1774587536
What is the proper name of a point a long a smooth curve where the radius changes but not direction of curvature?
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If the curvature never changes sign, then the region between the line connecting any two points on the curve and the curve between those two point is a convex region (i.e., the line between any two points in that region is also completely in that region.
So, the curve itself could be called convex or concave, depending on which side it is looked at from.
As to the points themselves, I would call them ordinary points.
No other special name comes to mind.