lsst::meas::modelfit::detail::Vandermonde< N > Class Template Reference

Class that computes rows of the Vandermonde matrix and related matrices; the dot product of these row vectors with the polynomial coefficient vectors evaluates the polynomial (or computes a derivative). More...

#include <polynomials.h>

Public Types
typedef Eigen::Matrix< double, 1, N >	RowVector

Static Public Member Functions
static RowVector	eval (double x)
	Return a row vector that product with a polynomial coefficient vector[ evaluates the polynomial at x.
static RowVector	differentiate1 (double x)
	Return a row vector whose product with a polynomial coefficient vector evaluates the first derivative at x.
static RowVector	differentiate2 (double x)
	Return a row vector whose product with a polynomial coefficient vector evaluates the second derivative at x.
static RowVector	moment (double x0, double x1, int m=0)
	Return a row vector whose product with a polynomial coefficient vector computes the integral of p(x) x^m dx from x0 to x1.

Detailed Description

template<int N>
class lsst::meas::modelfit::detail::Vandermonde< N >

Class that computes rows of the Vandermonde matrix and related matrices; the dot product of these row vectors with the polynomial coefficient vectors evaluates the polynomial (or computes a derivative).

Definition at line 37 of file polynomials.h.

Member Typedef Documentation

RowVector

template<int N>

typedef Eigen::Matrix<double,1,N> lsst::meas::modelfit::detail::Vandermonde< N >::RowVector

Definition at line 39 of file polynomials.h.

Member Function Documentation

differentiate1()

template<int N>

static RowVector lsst::meas::modelfit::detail::Vandermonde< N >::differentiate1 ( double x )

static

Return a row vector whose product with a polynomial coefficient vector evaluates the first derivative at x.

differentiate2()

template<int N>

static RowVector lsst::meas::modelfit::detail::Vandermonde< N >::differentiate2 ( double x )

static

Return a row vector whose product with a polynomial coefficient vector evaluates the second derivative at x.

eval()

template<int N>

static RowVector lsst::meas::modelfit::detail::Vandermonde< N >::eval ( double x )

static

Return a row vector that product with a polynomial coefficient vector[ evaluates the polynomial at x.

moment()

template<int N>

static RowVector lsst::meas::modelfit::detail::Vandermonde< N >::moment ( double x0, double x1, int m = 0 )

static

Return a row vector whose product with a polynomial coefficient vector computes the integral of p(x) x^m dx from x0 to x1.

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The documentation for this class was generated from the following file:

• /j/snowflake/release/lsstsw/stack/lsst-scipipe-9.0.0/Linux64/meas_modelfit/ga5288a1d22+2903d499ea/include/lsst/meas/modelfit/detail/polynomials.h