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CPPSL(3F)							     CPPSL(3F)

NAME    [Toc]    [Back]

     CPPSL   - CPPSL solves the	complex	Hermitian positive definite system A *
     X = B using the factors computed by CPPCO or CPPFA.

SYNOPSYS    [Toc]    [Back]

      SUBROUTINE CPPSL(AP,N,B)

DESCRIPTION    [Toc]    [Back]

     On	Entry

     AP	COMPLEX	(N*(N+1)/2)
	the output from	CPPCO or CPPFA.

     N INTEGER
	the order of the matrix	 A .

     B COMPLEX(N)
	the right hand side vector.  On	Return

     B the solution vector  X .	Error Condition

     A division	by zero	will occur if the input	factor contains	a zero on the
     diagonal.	Technically this indicates singularity but it is usually
     caused by improper	subroutine arguments.  It will not occur if the
     subroutines are called correctly and  INFO	.EQ. 0 .  To compute
     INVERSE(A)	* C  where  C  is a matrix with	 P  columns
	CALL CPPCO(AP,N,RCOND,Z,INFO)
	IF (RCOND is too small .OR. INFO .NE. 0) GO TO ...
	DO 10 J	= 1, P
	CALL CPPSL(AP,N,C(1,J))	10 CONTINUE LINPACK.  This version dated
     08/14/78 .	 Cleve Moler, University of New	Mexico,	Argonne	National Lab.
     Subroutines and Functions BLAS CAXPY,CDOTC


									PPPPaaaaggggeeee 1111
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