Mantid::Kernel::ChebyshevPolynomial Struct Reference

Evaluates a single Chebyshev polynomial (first kind) for x in range [-1,1]. More...

#include <ChebyshevPolynomial.h>

Public Member Functions
double	operator() (const size_t n, const double x)
	Return the value of the nth Chebyshev polynomial of the first kind \(T_n(x) = cos(ncos^-1x)\). More...

Detailed Description

Evaluates a single Chebyshev polynomial (first kind) for x in range [-1,1].

See http://mathworld.wolfram.com/ChebyshevPolynomialoftheFirstKind.html for more information

Definition at line 22 of file ChebyshevPolynomial.h.

Member Function Documentation

operator()()

double Mantid::Kernel::ChebyshevPolynomial::operator()	(	const size_t	n,
		const double	x
	)

Return the value of the nth Chebyshev polynomial of the first kind \(T_n(x) = cos(ncos^-1x)\).

Parameters

n	Order of the required polynomial
x	X value to evaluate the polynomial in the range [-1,1]. No checking is performed.

Returns

The value of the nth polynomial at the specified value

Definition at line 31 of file ChebyshevPolynomial.cpp.

References n, and Mantid::Geometry::x.

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The documentation for this struct was generated from the following files:

• Framework/Kernel/inc/MantidKernel/Math/Distributions/ChebyshevPolynomial.h
• Framework/Kernel/src/Math/Distributions/ChebyshevPolynomial.cpp