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

EXAMPLE

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