Module simpa.acc

Package simpa.acc.api.match

Class SigmaMultivariateFunction

java.lang.Object

simpa.acc.api.match.SimpaMultivariateFunction

simpa.acc.api.match.SigmaMultivariateFunction

All Implemented Interfaces:

org.apache.commons.math3.analysis.MultivariateFunction

public class SigmaMultivariateFunction
extends SimpaMultivariateFunction

Field Summary

Fields inherited from class simpa.acc.api.match.SimpaMultivariateFunction

DEFAULT_LOSS_PENALTY

Constructor Summary

Constructors

Constructor	Description
SigmaMultivariateFunction(Beam beam, TwissParameters initialTwiss, Sequence sequence, List<MatchingVariable> variables, List<MatchingTarget> targets, double stepSize, boolean backward, double diskRadius)

Method Summary

Modifier and Type	Method	Description
Beam	copyAndSet(Beam b, PotentialProvider pp, List<MatchingVariable> matchingVariables)	A deep copy of of all particles in the beam, but the tracking state is freshly created.
double	getResidualSum()
void	setMatchingVariables(double[] point)
double	value(double[] point)

Methods inherited from class simpa.acc.api.match.SimpaMultivariateFunction

setLosssPenaly

Methods inherited from class java.lang.Object

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

Constructor Details

SigmaMultivariateFunction

public SigmaMultivariateFunction(Beam beam,
 TwissParameters initialTwiss,
 Sequence sequence,
 List<MatchingVariable> variables,
 List<MatchingTarget> targets,
 double stepSize,
 boolean backward,
 double diskRadius)

Method Details

value

public double value(double[] point)

Specified by:

value in interface org.apache.commons.math3.analysis.MultivariateFunction

Specified by:

value in class SimpaMultivariateFunction

setMatchingVariables

public void setMatchingVariables(double[] point)

copyAndSet

public Beam copyAndSet(Beam b,
 PotentialProvider pp,
 List<MatchingVariable> matchingVariables)

A deep copy of of all particles in the beam, but the tracking state is freshly created. The vector potential of the copy will be the potential provider parameter. The beam sampler is freshly created according to the matching parameter values. This method is typically used to create a new beam with when the initial conditions of a transfer line is matched.

Parameters:

b - The beam to be copied.

pp - The potential provider to be used for the new beam particles.

matchingVariables - The matching variables to be used to create the new beam. In the list only the those matching variables are used which specify the initial Twiss parameters.

Returns:

Copy of the given beam with the given initial Twiss parameters.

getResidualSum

public double getResidualSum()