程序包 org.meteoinfo.math.fitting

类 FittingUtil

java.lang.Object

org.meteoinfo.math.fitting.FittingUtil

public class FittingUtil
extends Object

作者:

Yaqiang Wang

构造器概要

构造器

构造器	说明
FittingUtil()

方法概要

限定符和类型	方法	说明
static Object[]	expFit(ucar.ma2.Array x, ucar.ma2.Array y)	Exponent fitting
static Object[]	polyFit(ucar.ma2.Array x, ucar.ma2.Array y, int degree)	Polynomail fitting
static Object[]	powerFit(ucar.ma2.Array x, ucar.ma2.Array y)	Power fitting
static double	predict(double x, OLSTrendLine tl)	Predict a value
static ucar.ma2.Array	predict(ucar.ma2.Array x, OLSTrendLine tl)	Predict a value

从类继承的方法 java.lang.Object

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

构造器详细资料

FittingUtil

public FittingUtil()

方法详细资料

powerFit

public static Object[] powerFit(ucar.ma2.Array x,
                                ucar.ma2.Array y)

Power fitting

参数:

x - X array

y - Y array

返回:

Fitting parameters and trend line object

expFit

public static Object[] expFit(ucar.ma2.Array x,
                              ucar.ma2.Array y)

Exponent fitting

参数:

x - X array

y - Y array

返回:

Fitting parameters and trend line object

polyFit

public static Object[] polyFit(ucar.ma2.Array x,
                               ucar.ma2.Array y,
                               int degree)

Polynomail fitting

参数:

x - X array

y - Y array

degree - Degree

返回:

Fitting parameters and trend line object

predict

public static double predict(double x,
                             OLSTrendLine tl)

Predict a value

参数:

x - X value

tl - The trend line object

返回:

Predicted value

predict

public static ucar.ma2.Array predict(ucar.ma2.Array x,
                                     OLSTrendLine tl)

Predict a value

参数:

x - X value

tl - The trend line object

返回:

Predicted value