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Man Pages
lis_array_cgs(3f) Lis Library Functions lis_array_cgs(3f)

lis_array_cgs - calculate the QR factorization with the classical Gram-Schmidt process

subroutine lis_array_cgs(LIS_INTEGER n, LIS_SCALAR a(), LIS_SCALAR q(), LIS_SCALAR r(), LIS_INTEGER ierr);

Calculate the QR factorization QR=A with the classical Gram-Schmidt process.

n
The size of the matrices

a
The array that stores matrix A of size n * n

q
The array that stores orthogonal matrix Q of size n * n

r
The array that stores upper-triangular matrix R of size n * n

lis(3)

http://www.ssisc.org/lis/

3 Dec 2014 Man Page

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