pce_sens.cpp File Reference

Command-line utility for Sobol sensitivity index computation given PC. More...

#include "PCSet.h"
#include "tools.h"
#include "arrayio.h"
#include <unistd.h>

Macros
#define	CHAOS   "LU"
	default PC type More...
#define	MINDEX_FILE   "mindex.dat"
	default multiindex file More...
#define	COEF_FILE   "PCcoeff.dat"
	default coefficient file More...
#define	ALPHA   0.0
	default alpha parameter for PC More...
#define	BETA   1.0
	default beta parameter for PC More...

Functions
int	usage ()
	Displays information about this program. More...
int	main (int argc, char *argv[])
	Main program: parses the information contained in given multiindices and corresponding coefficients. More...

Detailed Description

Command-line utility for Sobol sensitivity index computation given PC.

Author

K. Sargsyan 2014 -

Macro Definition Documentation

ALPHA

#define ALPHA   0.0

default alpha parameter for PC

BETA

#define BETA   1.0

default beta parameter for PC

CHAOS

#define CHAOS   "LU"

default PC type

COEF_FILE

#define COEF_FILE   "PCcoeff.dat"

default coefficient file

MINDEX_FILE

#define MINDEX_FILE   "mindex.dat"

default multiindex file

Function Documentation

main()

int main	(	int	argc,
		char *	argv[]
	)

Main program: parses the information contained in given multiindices and corresponding coefficients.

Set the defaults and parse the input arguments

Print out input information

Read the multiindex and coefficients' files

Declare PC in NISP formulation with no quadrature

Encode the multiindex in a sparse format and print to files

Compute mean and variance of PC and variance fractions for each term

Compute main sensitivities

Compute total sensitivities

Compute joint sensitivities

usage()

int usage

(

)

Displays information about this program.