#include <cpl.h>
Go to the source code of this file.
Typedefs | |
typedef struct _polynomial | polynomial |
Functions | |
polynomial * | xsh_polynomial_new (const cpl_polynomial *pol) |
Create a polynomial. | |
polynomial * | xsh_polynomial_new_zero (int dim) |
Create a zero polynomial. | |
polynomial * | xsh_polynomial_duplicate (const polynomial *p) |
Copy a polynomial. | |
polynomial * | xsh_polynomial_convert_from_table (cpl_table *t) |
Convert a table to a polynomial. | |
polynomial * | xsh_polynomial_collapse (const polynomial *p, int varno, double value) |
Collapse a polynomial by fixing one variable to a constant. | |
polynomial * | xsh_polynomial_fit_1d (const cpl_vector *x_pos, const cpl_vector *values, const cpl_vector *sigmas, int poly_deg, double *mse) |
Fit a 1d function with a polynomial. | |
polynomial * | xsh_polynomial_fit_2d (const cpl_bivector *xy_pos, const cpl_vector *values, const cpl_vector *sigmas, int poly_deg1, int poly_deg2, double *mse, double *red_chisq, polynomial **variance) |
Fit a 2d surface with a polynomial in x and y. | |
polynomial * | xsh_polynomial_add_2d (const polynomial *p1, const polynomial *p2) |
Add two polynomials. | |
int | xsh_polynomial_get_degree (const polynomial *p) |
Get degree. | |
void | xsh_polynomial_delete (polynomial **p) |
Delete a polynomial. | |
void | xsh_polynomial_delete_const (const polynomial **p) |
Delete a const polynomial. | |
cpl_table * | xsh_polynomial_convert_to_table (const polynomial *p) |
Convert a polynomial to a table. | |
int | xsh_polynomial_get_dimension (const polynomial *p) |
Get the dimension of a polynomial. | |
void | xsh_polynomial_dump (const polynomial *p, FILE *stream) |
Print a polynomial. | |
cpl_error_code | xsh_polynomial_shift (polynomial *p, int varno, double shift) |
Shift a polynomial. | |
cpl_error_code | xsh_polynomial_rescale (polynomial *p, int varno, double scale) |
Rescale a polynomial. | |
double | xsh_polynomial_get_coeff_1d (const polynomial *p, int degree) |
Get a coefficient of a 1D polynomial. | |
double | xsh_polynomial_get_coeff_2d (const polynomial *p, int degree1, int degree2) |
Get a coefficient of a 2D polynomial. | |
double | xsh_polynomial_evaluate_1d (const polynomial *p, double x) |
Evaluate a 1d polynomial. | |
double | xsh_polynomial_evaluate_2d (const polynomial *p, double x1, double x2) |
Evaluate a 2d polynomial. | |
double | xsh_polynomial_solve_1d (const polynomial *p, double value, double guess, int multiplicity) |
Solve p(x) = value. | |
double | xsh_polynomial_solve_2d (const polynomial *p, double value, double guess, int multiplicity, int varno, double x_value) |
Solve p(x1, x2) = value. | |
double | xsh_polynomial_derivative_1d (const polynomial *p, double x) |
Evaluate the derivative of a 1d polynomial. | |
double | xsh_polynomial_derivative_2d (const polynomial *p, double x1, double x2, int varno) |
Evaluate the partial derivative of a 2d polynomial. | |
cpl_error_code | xsh_polynomial_derivative (polynomial *p, int varno) |
Calculate the partial derivative of a polynomial. |
typedef struct _polynomial polynomial |
Definition at line 41 of file xsh_utils_polynomial.h.