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- A
- (input/output) REAL or COMPLEX
rectangular array, shape
.
On entry, the matrix
.
On exit, if
,
is
overwritten by details of its
factorization.
If
,
is
overwritten by details of its
factorization.
- B
- (input/output) REAL or COMPLEX array, shape
with
(B,1)
(A,1),
(A,2)) or
shape
with
.
On entry, the matrix
.
On exit, the solution matrix X. There are four cases:
- TRANS
- Optional (input) CHARACTER(LEN=1).
Specifies the form of the system of equations:
Default value: 'N'.
- INFO
- Optional (output) INTEGER
If
is not present and an error occurs, then the program is
terminated with an error message.
References: [1] and [17,9,20].
Susan Blackford
2001-08-19