DPBDI man page on IRIX

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DPBDI(3F)							     DPBDI(3F)

NAME
     DPBDI   - DPBDI computes the determinant of a double precision symmetric
     positive definite band matrix using the factors computed by DPBCO or
     DPBFA.  If the inverse is needed, use DPBSL  N  times.

SYNOPSYS
      SUBROUTINE DPBDI(ABD,LDA,N,M,DET)

DESCRIPTION
     On Entry

     ABD DOUBLE PRECISION(LDA, N)
	the output from DPBCO or DPBFA.

     LDA INTEGER
	the leading dimension of the array  ABD .

     N INTEGER
	the order of the matrix	 A .

     M INTEGER
	the number of diagonals above the main diagonal.  On Return

     DET DOUBLE PRECISION(2)
	determinant of original matrix in the form
	DETERMINANT = DET(1) * 10.0**DET(2)
	with  1.0 .LE. DET(1) .LT. 10.0
	or  DET(1) .EQ. 0.0 .  LINPACK.	 This version dated 08/14/78 .	Cleve
     Moler, University of New Mexico, Argonne National Lab.

									Page 1

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