SPBDI(3F)SPBDI(3F)NAMESPBDI - SPBDI computes the determinant of a real symmetric positive
definite band matrix using the factors computed by SPBCO or SPBFA. If
the inverse is needed, use SPBSL N times.
SYNOPSYS
SUBROUTINE SPBDI(ABD,LDA,N,M,DET)
DESCRIPTION
On Entry
ABD REAL(LDA, N)
the output from SPBCO or SPBFA.
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 REAL(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.
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