| apply_karlin_constraints | Karlin-Studden constraints for positivity |
| Bspline_base | Build B-spline basis in piecewise polynomial form Computes local polynomial coefficients for each B-spline basis function on each interval. Polynomials are expressed in the canonical basis Uses De Boor's recursion formula. |
| Bspline_deriv | Differentiate a B-spline basis |
| bspline_to_deriv_coeffs_pp | Convert B-spline to derivative coefficients |
| bs_direct | Direct evaluation of a B-spline basis |
| change_polynomial_base_taylor | Change polynomial basis (Taylor expansion) |
| is_beta | Check if package is beta version |
| package_version | Get package version |
| polyadd | Polynomial addition |
| polyderiv | Polynomial derivative Computes the derivative of order 'der' of a polynomial. |
| polymul | Polynomial multiplication |
| poly_eval | Evaluate polynomial |
| reduce_pol | Reduce polynomial |
| SplineConstQuantRegBs3 | Constrained quantile regression with cubic splines |
| Spline_der_knots | Derivatives at knots of a B-spline |
| spline_eval | Evaluate a B-spline |
| test_karlin_simple | Comprehensive test function |
| view_basis | Visualize a B-spline functions basis |