PGAStddev

Langue: en

Version: 301023 (debian - 07/07/09)

Section: 5 (Format de fichier)

Sommaire

NAME

PGAStddev - calculates the standard deviation of an array of elements

INPUT PARAMETERS

ctx
- context variable
a
- array to take the standard deviation of
n
- number of elements in array a
mean
- the mean of the elements in array a

OUTPUT PARAMETERS

none

SYNOPSIS

 #include "pgapack.h"
 double  PGAStddev(ctx, a, n, mean)
 PGAContext *ctx
 double *a
 int n
 double mean

LOCATION

utility.c

EXAMPLE

 Example:
 PGAContext *ctx;
 double a[100], mean, sigma;
 :
 mean  = PGAMean(ctx, a, 100);
 sigma = PGAStddev(ctx, a, 100, mean);