com.numericalmethod.suanshu.analysis.interpolation

Class LinearInterpolator

java.lang.Object

com.numericalmethod.suanshu.analysis.function.rn2r1.univariate.UnivariateRealFunction

com.numericalmethod.suanshu.analysis.interpolation.LinearInterpolator

All Implemented Interfaces:

Function<Vector,java.lang.Double>, RealScalarFunction, OnlineInterpolator, java.io.Serializable

public class LinearInterpolator
extends UnivariateRealFunction
implements OnlineInterpolator

Define a univariate function by linearly interpolating between adjacent points.

See Also:

Wikipedia: Linear interpolation, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface com.numericalmethod.suanshu.analysis.function.Function

Function.EvaluationException

Constructor Summary

Constructors

Constructor and Description
LinearInterpolator(OrderedPairs f) Construct a univariate function by linearly interpolating between adjacent points.

Method Summary

Modifier and Type	Method and Description
void	addData(OrderedPairs f) Add more points for interpolation.
double	evaluate(double u) Evaluate y = f(x).

Methods inherited from class com.numericalmethod.suanshu.analysis.function.rn2r1.univariate.UnivariateRealFunction

dimensionOfDomain, dimensionOfRange, evaluate

Methods inherited from class java.lang.Object

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

Constructor Detail

LinearInterpolator

public LinearInterpolator(OrderedPairs f)

Construct a univariate function by linearly interpolating between adjacent points.

Parameters:

f - the points to be interpolated

Method Detail

addData

public void addData(OrderedPairs f)

Description copied from interface: OnlineInterpolator

Add more points for interpolation.

Specified by:

addData in interface OnlineInterpolator

Parameters:

f - the points to be interpolated

evaluate

public double evaluate(double u)

Description copied from class: UnivariateRealFunction

Evaluate y = f(x).

Specified by:

evaluate in class UnivariateRealFunction

Parameters:

u - x

Returns:

f(x)