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java.lang.Objectorg.nfunk.jep.function.PostfixMathCommand
org.lsmp.djep.xjep.function.SumType
org.lsmp.djep.xjep.function.Trapezium
org.lsmp.djep.xjep.function.Simpson
public class Simpson
The Simpson rule for approximation to a definite integral. h * (y0 + yn + 4(y1+y3+...+y_(n-1)) + 2(y2+y4+...+y_(n-2)) ) /3 where h = (xn-x0)/n, yi = f(xi) Simpson(x^2,x,0,10,0.5) finds an approximation for int(x^2) where x runs from 0 to 10 in steps of h=0.5.
| Field Summary |
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| Fields inherited from class org.lsmp.djep.xjep.function.SumType |
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name |
| Fields inherited from class org.nfunk.jep.function.PostfixMathCommand |
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curNumberOfParameters, numberOfParameters |
| Constructor Summary | |
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Simpson()
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| Method Summary | |
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java.lang.Object |
evaluate(java.lang.Object[] elements)
Evaluates the function given the set of y values. |
| Methods inherited from class org.lsmp.djep.xjep.function.Trapezium |
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evaluate |
| Methods inherited from class org.lsmp.djep.xjep.function.SumType |
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checkNumberOfParameters, evaluate, run |
| Methods inherited from class org.nfunk.jep.function.PostfixMathCommand |
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checkStack, getNumberOfParameters, setCurNumberOfParameters |
| Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
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public Simpson()
| Method Detail |
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public java.lang.Object evaluate(java.lang.Object[] elements)
throws ParseException
SumType
evaluate in class Trapeziumelements - the y values
ParseException
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