QuantLib: a free/open-source library for quantitative finance
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lfmhullwhiteparam.hpp
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1/* -*- mode: c++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2
3/*
4 Copyright (C) 2005, 2006 Klaus Spanderen
5
6 This file is part of QuantLib, a free-software/open-source library
7 for financial quantitative analysts and developers - http://quantlib.org/
8
9 QuantLib is free software: you can redistribute it and/or modify it
10 under the terms of the QuantLib license. You should have received a
11 copy of the license along with this program; if not, please email
12 <quantlib-dev@lists.sf.net>. The license is also available online at
13 <http://quantlib.org/license.shtml>.
14
15 This program is distributed in the hope that it will be useful, but WITHOUT
16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
17 FOR A PARTICULAR PURPOSE. See the license for more details.
18*/
19
20/*! \file lfmhullwhiteparam.hpp
21 \brief libor market model parameterization based on Hull White
22*/
23
24#ifndef quantlib_libor_market_hull_white_parameterization_hpp
25#define quantlib_libor_market_hull_white_parameterization_hpp
26
29
30namespace QuantLib {
31
32 //! %Libor market model parameterization based on Hull White paper
33 /*! Hull, John, White, Alan, 1999, Forward Rate Volatilities, Swap Rate
34 Volatilities and the Implementation of the Libor Market Model
35 (<http://www.rotman.utoronto.ca/~amackay/fin/libormktmodel2.pdf>)
36
37 \test the correctness is tested by Monte-Carlo reproduction of
38 caplet & ratchet npvs and comparison with Black pricing.
39 */
40
42 public:
44 const ext::shared_ptr<LiborForwardModelProcess> & process,
45 const ext::shared_ptr<OptionletVolatilityStructure> & capletVol,
46 const Matrix& correlation = Matrix(), Size factors = 1);
47
48 Matrix diffusion(Time t, const Array& x = Null<Array>()) const override;
49 Matrix covariance(Time t, const Array& x = Null<Array>()) const override;
50 Matrix integratedCovariance(Time t, const Array& x = Null<Array>()) const override;
51
52 protected:
54
56 std::vector<Time> fixingTimes_;
57 };
58
59}
60
61
62#endif
63
1-D array used in linear algebra.
Definition: array.hpp:52
Libor market model parameterization
Libor market model parameterization based on Hull White paper
Matrix covariance(Time t, const Array &x=Null< Array >()) const override
Matrix diffusion(Time t, const Array &x=Null< Array >()) const override
Matrix integratedCovariance(Time t, const Array &x=Null< Array >()) const override
Matrix used in linear algebra.
Definition: matrix.hpp:41
template class providing a null value for a given type.
Definition: null.hpp:76
const DefaultType & t
Real Time
continuous quantity with 1-year units
Definition: types.hpp:62
std::size_t Size
size of a container
Definition: types.hpp:58
volatility & correlation function for libor forward model process
stochastic process of a libor forward model
Definition: any.hpp:35