| Bsplines | Computation of a cubic B-spline basis associated to a given vector of knots | 
| D1Bsplines | Computation of the 1st derivative of a cubic B-spline basis associated to a given vector of knots | 
| D2Bsplines | Computation of the 2nd derivative of a cubic B-spline basis associated to a given vector of knots | 
| IBsplines | Computation of the integral of a cubic B-spline basis over (t0,x) for a given vector of knots | 
| trapeze | Trapeze integration from a vector of function values evaluated at quadrature points |