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java.lang.Objectorg.lsmp.djep.djep.diffRules.PowerDiffRule
public class PowerDiffRule
Diffrentiates a power with respect to var. If m is a a number diff(y^m,x) -> m * y^(m-1) otherwise diff(y^z,x) -> z * y^(z-1) * diff(y,x) + y^z * ln(z) * diff(z,x)
| Constructor Summary | |
|---|---|
PowerDiffRule(java.lang.String inName)
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| Method Summary | |
|---|---|
Node |
differentiate(ASTFunNode node,
java.lang.String var,
Node[] children,
Node[] dchildren,
DJep djep)
Returns the top node of of the derivative of this function wrt to variable var. |
java.lang.String |
getName()
Returns the name of the function. |
java.lang.String |
toString()
Returns a string representation of the rule. |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
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public PowerDiffRule(java.lang.String inName)
| Method Detail |
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public java.lang.String toString()
DiffRulesI
toString in interface DiffRulesItoString in class java.lang.Objectpublic java.lang.String getName()
DiffRulesI
getName in interface DiffRulesI
public Node differentiate(ASTFunNode node,
java.lang.String var,
Node[] children,
Node[] dchildren,
DJep djep)
throws ParseException
DiffRulesI
differentiate in interface DiffRulesIvar - The name of variable to differentiate wrt to.children - the arguments of the functiondchildren - the derivatives of each argument of the function.
ParseException - if there is some problem in compiling the derivative.
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