Package net.sf.tweety.math.term
Class Exp
- java.lang.Object
-
- net.sf.tweety.math.term.Term
-
- net.sf.tweety.math.term.FunctionalTerm
-
- net.sf.tweety.math.term.Exp
-
public class Exp extends FunctionalTerm
This class represents an exponential expression by "e".- Author:
- Matthias Thimm
-
-
Method Summary
Modifier and Type Method Description Term
derive(Variable v)
Differentiates the term with respect to the given variable.boolean
isContinuous(Variable v)
Checks whether this term is continuous in v.Term
replaceTerm(Term toSubstitute, Term substitution)
Replaces each occurrence of "toSubstitute" by "substitution" and return the new term.Term
simplify()
Simplifies this term in an equivalent way:
- Replaces products that contain a zero by the constant zero
- Removes a term one from products
- Removes a term zero from sums
- Aggregates constants in sums, products, and minimums
- Evaluates functional terms on constants
- Simplifies fractions where possible.java.lang.String
toString()
Constant
value()
Computes the actual value of this term if it contains no variables.-
Methods inherited from class net.sf.tweety.math.term.FunctionalTerm
collapseAssociativeOperations, expandAssociativeOperations, getAbsoluteValues, getMaximums, getMinimums, getProducts, getTerm, getVariables, isInteger, toLinearForm
-
Methods inherited from class net.sf.tweety.math.term.Term
add, doubleValue, evaluateMatrix, evaluateVector, evaluateVector, isContinuous, isLinear, min, minus, mult, replaceAllTerms, replaceAllTerms
-
-
-
-
Constructor Detail
-
Exp
public Exp(Term term)
Creates a new exponential term with the given term.- Parameters:
term
- the potentiated term.
-
-
Method Detail
-
replaceTerm
public Term replaceTerm(Term toSubstitute, Term substitution)
Description copied from class:Term
Replaces each occurrence of "toSubstitute" by "substitution" and return the new term.- Specified by:
replaceTerm
in classFunctionalTerm
- Parameters:
toSubstitute
- the term to be substitutedsubstitution
- the new term- Returns:
- this term where "toSubstitute" is replaced by "substitution"
-
toString
public java.lang.String toString()
- Specified by:
toString
in classFunctionalTerm
-
value
public Constant value() throws java.lang.IllegalArgumentException
Description copied from class:Term
Computes the actual value of this term if it contains no variables.- Specified by:
value
in classFunctionalTerm
- Returns:
- the value of this term, either a float or an integer.
- Throws:
java.lang.IllegalArgumentException
- if this term contains at least on variable.
-
derive
public Term derive(Variable v) throws NonDifferentiableException
Description copied from class:Term
Differentiates the term with respect to the given variable.- Specified by:
derive
in classTerm
- Parameters:
v
- a variable.- Returns:
- the derivation of this term wrt. the given variable.
- Throws:
NonDifferentiableException
- if the term cannot be differentiated.
-
isContinuous
public boolean isContinuous(Variable v)
Description copied from class:Term
Checks whether this term is continuous in v.- Specified by:
isContinuous
in classTerm
- Parameters:
v
- a variable- Returns:
- "true" iff this term is continuous in v.
-
simplify
public Term simplify()
Description copied from class:Term
Simplifies this term in an equivalent way:
- Replaces products that contain a zero by the constant zero
- Removes a term one from products
- Removes a term zero from sums
- Aggregates constants in sums, products, and minimums
- Evaluates functional terms on constants
- Simplifies fractions where possible.
-
-