initialValue_ (3) - Linux Manuals
initialValue_: Geometric brownian-motion process.
NAME
QuantLib::GeometricBrownianMotionProcess - Geometric brownian-motion process.
SYNOPSIS
#include <ql/processes/geometricbrownianprocess.hpp>
Inherits QuantLib::StochasticProcess1D.
Public Member Functions
GeometricBrownianMotionProcess (double initialValue, double mue, double sigma)
Real x0 () const
returns the initial value of the state variable
Real drift (Time t, Real x) const
returns the drift part of the equation, i.e. $ mu(t, x_t) $
Real diffusion (Time t, Real x) const
returns the diffusion part of the equation, i.e. $ igma(t, x_t) $
Protected Attributes
double initialValue_
double mue_
double sigma_
Detailed Description
Geometric brownian-motion process.
This class describes the stochastic process governed by [ dS(t, S)= mu S dt + igma S dW_t. ]
Author
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