artisynth.core.opensim.components

Class PiecewiseLinearFunction

java.lang.Object

artisynth.core.opensim.components.OpenSimObject

artisynth.core.opensim.components.FunctionBase

artisynth.core.opensim.components.PiecewiseLinearFunction

All Implemented Interfaces:

java.lang.Cloneable, Clonable

public class PiecewiseLinearFunction
extends FunctionBase

Simple 2D piecewise linear function for interpolation in OpenSim Models

Constructor Summary

Constructors

Constructor and Description
PiecewiseLinearFunction()
PiecewiseLinearFunction(double[] x, double[] y)

Method Summary

Modifier and Type	Method and Description
PiecewiseLinearFunction	clone()
double	eval(VectorNd x) Evaluates the function at the given input value
void	evalDeriv(VectorNd x, VectorNd df) Evaluates the function derivative at the given input value
LinearSpline1d	getFunction()
void	set(double[] x, double[] y) Sets the knot locations
double	solveForNearestX(double fx, double x, double eps)
int	solveForX(double y, java.util.List<java.lang.Double> x, double eps)

Methods inherited from class artisynth.core.opensim.components.OpenSimObject

getName, getParent, getPath, setName, setParent

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

PiecewiseLinearFunction

public PiecewiseLinearFunction()

PiecewiseLinearFunction

public PiecewiseLinearFunction(double[] x,
                               double[] y)

Method Detail

set

public void set(double[] x,
                double[] y)

Sets the knot locations

Parameters:

x - x location

y - location

eval

public double eval(VectorNd x)

Description copied from class: FunctionBase

Evaluates the function at the given input value

Specified by:

eval in class FunctionBase

evalDeriv

public void evalDeriv(VectorNd x,
                      VectorNd df)

Description copied from class: FunctionBase

Evaluates the function derivative at the given input value

Specified by:

evalDeriv in class FunctionBase

getFunction

public LinearSpline1d getFunction()

Specified by:

getFunction in class FunctionBase

solveForX

public int solveForX(double y,
                     java.util.List<java.lang.Double> x,
                     double eps)

solveForNearestX

public double solveForNearestX(double fx,
                               double x,
                               double eps)

clone

public PiecewiseLinearFunction clone()

Specified by:

clone in interface Clonable

Overrides:

clone in class FunctionBase