public class Log extends Object implements UnivariateDifferentiableFunction, DifferentiableUnivariateFunction
| Constructor and Description | 
|---|
| Log() | 
| Modifier and Type | Method and Description | 
|---|---|
| UnivariateFunction | derivative()Deprecated. 
 as of 3.1, replaced by  value(DerivativeStructure) | 
| DerivativeStructure | value(DerivativeStructure t)Simple mathematical function. | 
| double | value(double x)Compute the value of the function. | 
public double value(double x)
value in interface UnivariateFunctionx - Point at which the function value should be computed.@Deprecated public UnivariateFunction derivative()
value(DerivativeStructure)derivative in interface DifferentiableUnivariateFunctionpublic DerivativeStructure value(DerivativeStructure t)
UnivariateDifferentiableFunction classes compute both the
 value and the first derivative of the function.
value in interface UnivariateDifferentiableFunctiont - function input valueCopyright © 2003–2016 The Apache Software Foundation. All rights reserved.