org.matheclipse.core.reflection.system

Class Subfactorial

java.lang.Object

org.matheclipse.core.eval.interfaces.AbstractEvaluator

org.matheclipse.core.eval.interfaces.AbstractFunctionEvaluator

org.matheclipse.core.eval.interfaces.AbstractArg1

org.matheclipse.core.eval.interfaces.AbstractTrigArg1

org.matheclipse.core.reflection.system.Subfactorial

All Implemented Interfaces:

IFunctionEvaluator, IEvaluator

public class Subfactorial
extends AbstractTrigArg1

Returns the subfactorial of a positive integer n See Wikipedia - Derangement

Constructor Summary

Constructors

Constructor and Description
Subfactorial()

Method Summary

Modifier and Type	Method and Description
IExpr	evaluateArg1(IExpr arg1)
void	setUp(ISymbol symbol) Evaluate built-in rules and define Attributes for a function.

Methods inherited from class org.matheclipse.core.eval.interfaces.AbstractTrigArg1

e1ComplexArg, e1DblArg, evaluate, numericEval

Methods inherited from class org.matheclipse.core.eval.interfaces.AbstractArg1

e1ApcomplexArg, e1ApfloatArg, e1ComArg, e1FraArg, e1FunArg, e1IntArg, e1ObjArg, e1SymArg

Methods inherited from class org.matheclipse.core.eval.interfaces.AbstractFunctionEvaluator

createRuleFromMethod, getNormalizedNegativeExpression, getNormalizedNegativeExpression, getPeriodicParts, getPureImaginaryPart, getRuleAST, initSerializedRules, isNegativeExpression

Methods inherited from class java.lang.Object

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

Constructor Detail

Subfactorial

public Subfactorial()

Method Detail

evaluateArg1

public IExpr evaluateArg1(IExpr arg1)

Overrides:

evaluateArg1 in class AbstractTrigArg1

setUp

public void setUp(ISymbol symbol)
           throws SyntaxError

Description copied from class: AbstractFunctionEvaluator

Evaluate built-in rules and define Attributes for a function.

Specified by:

setUp in interface IEvaluator

Overrides:

setUp in class AbstractFunctionEvaluator

Parameters:

symbol - the symbol which should be set up

Throws:

SyntaxError