nce.math

Class NCEMath

java.lang.Object

nce.math.NCEMath

public abstract class NCEMath
extends java.lang.Object

Version:

20151113

Author:

Carlo Tegano

Field Summary

Fields

Modifier and Type	Field and Description
static double	epsAbs
static double	epsAbsF
static double	epsAbsX
static double	epsRel
static double	epsRelX
static java.lang.String	ITER_CONTINUE
static java.lang.String	ITER_CONVERGED
static java.lang.String	ITER_CONVERGED_TOLF
static java.lang.String	ITER_CONVERGED_TOLX
static java.lang.String	ITER_DIVERGED
static java.lang.String	MAX_ITER_REACHED
static int	maxIter
static java.lang.String	MSG_CONVERGED_ON_TOLF
static java.lang.String	MSG_CONVERGED_ON_TOLX
static java.lang.String	MSG_NO_ROOT_EXISTS
static java.lang.String	MSG_NO_ROOT_FOUND
static java.lang.String	SILENT
static java.lang.String	VERBOSE

Constructor Summary

Constructors

Constructor and Description
NCEMath()

Method Summary

Methods

Modifier and Type	Method and Description
static void	copyMatrixRowToVector(double[] v, double[][] m, int r) Copies row r of matrix m to vector v
static void	copyVectorToMatrixRow(double[][] m, int r, double[] v) Copies vector v into row r of matrix m
static double	evalRootMeanSquareErr(double[] x1, double[] x2) Evaluates the root mean square error of dx = x1 - x2
static double	evalRootMeanSquareSum(double[] f) Evaluates the root mean square sum of f
static int	returnMinValIndex(double[] x) Returns the index at which value is the minimum

Methods inherited from class java.lang.Object

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

Field Detail

epsAbs

public static final double epsAbs

See Also:

Constant Field Values

epsRel

public static final double epsRel

See Also:

Constant Field Values

epsAbsX

public static final double epsAbsX

See Also:

Constant Field Values

epsRelX

public static final double epsRelX

See Also:

Constant Field Values

epsAbsF

public static final double epsAbsF

See Also:

Constant Field Values

maxIter

public static final int maxIter

See Also:

Constant Field Values

ITER_CONTINUE

public static final java.lang.String ITER_CONTINUE

See Also:

Constant Field Values

ITER_CONVERGED

public static final java.lang.String ITER_CONVERGED

See Also:

Constant Field Values

ITER_DIVERGED

public static final java.lang.String ITER_DIVERGED

See Also:

Constant Field Values

ITER_CONVERGED_TOLX

public static final java.lang.String ITER_CONVERGED_TOLX

See Also:

Constant Field Values

ITER_CONVERGED_TOLF

public static final java.lang.String ITER_CONVERGED_TOLF

See Also:

Constant Field Values

MAX_ITER_REACHED

public static final java.lang.String MAX_ITER_REACHED

See Also:

Constant Field Values

VERBOSE

public static final java.lang.String VERBOSE

See Also:

Constant Field Values

SILENT

public static final java.lang.String SILENT

See Also:

Constant Field Values

MSG_NO_ROOT_FOUND

public static final java.lang.String MSG_NO_ROOT_FOUND

See Also:

Constant Field Values

MSG_NO_ROOT_EXISTS

public static final java.lang.String MSG_NO_ROOT_EXISTS

See Also:

Constant Field Values

MSG_CONVERGED_ON_TOLX

public static final java.lang.String MSG_CONVERGED_ON_TOLX

See Also:

Constant Field Values

MSG_CONVERGED_ON_TOLF

public static final java.lang.String MSG_CONVERGED_ON_TOLF

See Also:

Constant Field Values

Constructor Detail

NCEMath

public NCEMath()

Method Detail

copyVectorToMatrixRow

public static void copyVectorToMatrixRow(double[][] m,
                         int r,
                         double[] v)

Copies vector v into row r of matrix m

Parameters:

m - matrix

r - row on which to copy

v - vector to be copied

copyMatrixRowToVector

public static void copyMatrixRowToVector(double[] v,
                         double[][] m,
                         int r)

Copies row r of matrix m to vector v

Parameters:

m -

v -

r -

returnMinValIndex

public static int returnMinValIndex(double[] x)

Returns the index at which value is the minimum

Parameters:

x - array of values

Returns:

index i at which the minimum value in x occurred

evalRootMeanSquareSum

public static double evalRootMeanSquareSum(double[] f)

Evaluates the root mean square sum of f

Parameters:

f - vector

Returns:

rms mean square sum

evalRootMeanSquareErr

public static double evalRootMeanSquareErr(double[] x1,
                           double[] x2)

Evaluates the root mean square error of dx = x1 - x2

Parameters:

x1 - vector

x2 - vector

Returns:

rmse root mean square error