Module SSYR2 in IMSLM

General Information

Perform the rank-two symmetric matrix update A = A + alpha*x*trans(y) + alpha*y*trans(x), where A is a symmetric matrix, and trans( ) represents the transpose of the vectors.

Usage

CALL SSYR2 (UPLO, N, ALPHA, X, INCX, Y, INCY, A, LDA)

Classification

D1b5	Matrix addition, subtraction

Type

subroutine in IMSLM package

Language

Fortran

Availability

Proprietary, Portable

Precision

Single Precision

Alternates

DSYR2

Double Precision

Installation on ITL; Unix Workstation Network

Location

National Institute of Standards and Technology (NIST), Gaithersburg, MD.

Contact

Gaithersburg Consulting Office: 301-975-2968 (FTS 879-2968)

Usage

Access available only to NIST staff on internal Unix systems. They may access this package provided the /itl tree is cross-mounted.

Documentation

cat /home/fetch/Subjects/Math-Stat-Software/imsl/Documentation/ssyr2

Example

cat /home/fetch/Subjects/Math-Stat-Software/imsl/Examples/ssyr2

To Link

Login to spruce.nist.gov and see ITL How-To for information on how to setup your environment and link.