All functions

CrossVariation()

Cross-variation of two stochastic processes

HMMfilterSDE()

Estimate states in a scalar stochastic differential equation based on discretization to a HMM

PolicyIterationRegular()

Solve the optimal control problem using policy iteration, i.e. find the optimal strategy and value function for the case where the uncontrolled system is given by a subgenerator G0 (either due to discounting or due to absorbing boundaries)

PolicyIterationSingular()

Solve the optimal control problem using policy iteration, i.e. find the optimal strategy and value function for the case where the uncontrolled system is given by a generator G0

QuadraticVariation()

Discretized quadratic variation of a stochastic process

QuasiStationaryDistribution()

Compute the quasi-stationary distribution for a terminating Continuous Time Markov Chain

StationaryDistribution()

Compute the stationary distribution for a Continuous Time Markov Chain

cell.centers()

Get center of grid cells for a retangular grid

dCIR() pCIR() qCIR() rCIR()

The Cox-Ingersoll-Ross process

dLinSDE()

Transition probabilities in a linear SDE dX = A*X*dt + u*dt + G*dB

euler()

Euler simulation of an Ito stochastic differential equation dX = f dt + g dB

fvade()

Discretize scalar advection-diffusion equation using finite volumes

fvade2d()

Compute generator for a 2D advection-diffusion equation

heun()

Heun's method for simulation of a Stratonovich stochastic differential equation dX = f dt + g dB

itointegral()

Ito integral of a stochastic process w.r.t. another

lqr()

Solve the time-varying LQR (Linear Quadratic Regulator) problem

lyap()

Algebraic Lyapunov equation A*X+X*t(A)+Q=0

pack.field()

Convert a tabulated function on the plane to a vector

prob2pdf()

Convert cell probabilities to (average) probability densities

rBM()

Simulate a sample path of Brownian motion

rBrownianBridge()

Simulate a Brownian bridge

rvBM()

Simulate a multivariate Brownian motion

stochint()

Integrate one sample path of a stochastic process w.r.t. another, returning the Ito integral, the Stratonovich integral, or the "right hand rule".

unpack.field()

Convert a vector to a function on the plane