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mmath.cc File Reference

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#include <stdlib.h>
#include "magic/mmath.h"
#include "magic/mcoord.h"
#include "magic/mmagisupp.h"

Go to the source code of this file.

Functions
	BEGIN_NAMESPACE (MagiC)
double	sum (const Vector &x)
double	min (const Vector &x)
int	minIndex (const Vector &x)
double	max (const Vector &x)
int	maxIndex (const Vector &x)
double	avg (const Vector &x)
double	stddev (const Vector &x)
double	stdmerr (const Vector &x)
Vector	histogram (const Vector &x, int n)
void	add (Vector &x, double a)
void	multiply (Vector &x, double m)
void	multiplyToUnity (Vector &x)

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Detailed Description

Definition in file mmath.cc.

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Function Documentation

void add (  Vector &    x, double    m )

Adds a value to the Vector . Definition at line 112 of file mmath.cc. References PackArray::size(). Referenced by multiplyToUnity().

double avg (  const Vector &    x )

Average of the values in Vector x. Definition at line 58 of file mmath.cc. References PackArray::size(), and sum(). Referenced by stddev().

BEGIN_NAMESPACE (  MagiC    )

This file is part of the MagiC++ library. * * Copyright (C) 1998-2002 Marko Grönroos <magi@iki.fi> * * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public * License along with this library; see the file COPYING.LIB. If * not, write to the Free Software Foundation, Inc., 59 Temple Place * Suite 330, Boston, MA 02111-1307, USA. * *

Vector histogram (  const Vector &    x, int    n )

Creates a histogram with n slots of the values in the Vector. Definition at line 74 of file mmath.cc. References PackArray::make(), max(), min(), and PackArray::size().

double max (  const Vector &    x )

Largest value in Vector x. Definition at line 39 of file mmath.cc. References is_undef(), max(), and PackArray::size(). Referenced by histogram(), max(), and maxIndex().

int maxIndex (  const Vector &    x )

The index of the largest value in Vector x. Definition at line 47 of file mmath.cc. References is_undef(), max(), and PackArray::size().

double min (  const Vector &    x )

Lowest value in Vector x. Definition at line 20 of file mmath.cc. References is_undef(), min(), and PackArray::size(). Referenced by histogram(), min(), and minIndex().

int minIndex (  const Vector &    x )

The index of the lowest value in Vector x. Definition at line 28 of file mmath.cc. References is_undef(), min(), and PackArray::size().

void multiply (  Vector &    x, double    m )

Multiplies the values in the Vector with a coefficient. Definition at line 117 of file mmath.cc. References PackArray::size(). Referenced by multiplyToUnity().

void multiplyToUnity (  Vector &    x )

Multiplies the values in the Vector so that they sum to 1.0. Definition at line 122 of file mmath.cc. References add(), multiply(), PackArray::size(), and sum().

double stddev (  const Vector &    x )

Standard deviation of the values in Vector x. Definition at line 62 of file mmath.cc. References avg(), and PackArray::size(). Referenced by stdmerr().

double stdmerr (  const Vector &    x )

Standard error of the values in Vector x. Definition at line 70 of file mmath.cc. References PackArray::size(), and stddev().

double sum (  const Vector &    x )

Sum of values in Vector x. Definition at line 13 of file mmath.cc. References PackArray::size(). Referenced by avg(), Matrix::multiplyToSum(), and multiplyToUnity().

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