Three typical basics from > 50 of that stuff ... bed time reading.
1. Lagrange in two applications, including the modeler.
2. Hermite Interpolation ... like smooth path car racing !
3. Polyline suggests convex hull robotics.

Jean ... kind of refreshed/revisit

Spline Hermite Polyline [Sub_Spaces].sm (44 КиБ) скачан 155 раз(а).
Spline Hermite Interpolation EXPLAIN.sm (56 КиБ) скачан 176 раз(а).
Spline Hermite Interpolation.sm (77 КиБ) скачан 170 раз(а).
Spline0 Quadratic Lagrange Knots Copy.sm (106 КиБ) скачан 180 раз(а).