Package com.powsybl.openloadflow.equations

Class EquationTerm.VariableEquationTerm

java.lang.Object

com.powsybl.openloadflow.equations.AbstractEquationTerm

com.powsybl.openloadflow.equations.EquationTerm.VariableEquationTerm

All Implemented Interfaces:

EquationTerm, Evaluable

Enclosing interface:

EquationTerm

public static class EquationTerm.VariableEquationTerm
extends AbstractEquationTerm

Nested Class Summary

Nested classes/interfaces inherited from interface com.powsybl.openloadflow.equations.EquationTerm

EquationTerm.MultiplyByScalarEquationTerm, EquationTerm.VariableEquationTerm

Method Summary

Modifier and Type	Method	Description
double	calculateSensi(com.powsybl.math.matrix.DenseMatrix x, int column)
double	der(Variable variable)	Get partial derivative.
double	eval()	Evaluate equation term.
int	getElementNum()
ElementType	getElementType()
List<Variable>	getVariables()	Get the list of variable this equation term depends on.
boolean	hasRhs()	Check EquationTerm.rhs() can return a value different from zero.
double	rhs()	Get part of the partial derivative that has to be moved to right hand side.
void	update(double[] x)	Update equation term using x variable values.
void	write(Writer writer)

Methods inherited from class com.powsybl.openloadflow.equations.AbstractEquationTerm

getEquation, isActive, setActive, setEquation

Methods inherited from class java.lang.Object

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

Method Detail

getElementType

public ElementType getElementType()

getElementNum

public int getElementNum()

getVariables

public List<Variable> getVariables()

Description copied from interface: EquationTerm

Get the list of variable this equation term depends on.

Returns:

the list of variable this equation term depends on.

update

public void update(double[] x)

Description copied from interface: EquationTerm

Update equation term using x variable values.

Parameters:

x - variables values vector

eval

public double eval()

Description copied from interface: EquationTerm

Evaluate equation term.

Returns:

value of the equation term

der

public double der(Variable variable)

Description copied from interface: EquationTerm

Get partial derivative.

Parameters:

variable - the variable the partial derivative is with respect to

Returns:

value of the partial derivative

hasRhs

public boolean hasRhs()

Description copied from interface: EquationTerm

Check EquationTerm.rhs() can return a value different from zero.

Returns:

true if EquationTerm.rhs() can return a value different from zero, false otherwise

rhs

public double rhs()

Description copied from interface: EquationTerm

Get part of the partial derivative that has to be moved to right hand side.

Returns:

value of part of the partial derivative that has to be moved to right hand side

calculateSensi

public double calculateSensi(com.powsybl.math.matrix.DenseMatrix x,
                             int column)

Specified by:

calculateSensi in interface EquationTerm

Overrides:

calculateSensi in class AbstractEquationTerm

write

public void write(Writer writer)
           throws IOException

Throws:

IOException