Schoenberg 1946: piecewise-polynomial interpolant with continuity at knots. B-splines basis; cubic-splines minimise integrated curvature. Used in CAGD, numerical PDE, statistics. Optimal-recovery property (de Boor).
Schoenberg 1946: piecewise-polynomial interpolant with continuity at knots. B-splines basis; cubic-splines minimise integrated curvature. Used in CAGD, numerical PDE, statistics. Optimal-recovery property (de Boor).