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Theoretica
Mathematical Library
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A cubic splines node for a given x interval. More...
#include <splines.h>
Public Member Functions | |
| spline_node () | |
| Default constructor. | |
| spline_node (real x, real a, real b, real c, real d) | |
| Construct from \(x_i\) and polynomial coefficients. | |
| real | operator() (real X) const |
| Evaluate the interpolating cubic spline (no check on the input value is performed!) | |
| real | deriv (real X) const |
| Evaluate the derivative of the interpolating cubic spline (no check on the input value is performed) | |
Public Attributes | |
| real | x |
| Upper extreme of the interpolation interval \(x_i\). | |
| real | a |
| Coefficients of the interpolating cubic spline \(a + b x + c x^2 + d x^3\). | |
A cubic splines node for a given x interval.