NAME¶
PGAStddev - calculates the standard deviation of an array of elements
- 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);