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[ Source: suitesparse  ]

Package: libbtf2 (1:7.8.2+dfsg-2)

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permutation to block triangular form library for sparse matrices

Suitesparse is a collection of libraries for computations involving sparse matrices.

The BTF library is a software package for permuting a matrix into Block upper Triangular Form. It includes a maximum transversal algorithm, which finds a permutation of a square or rectangular matrix so that it has a zero-free diagonal (if one exists); otherwise, it finds a maximal matching which maximizes the number of nonzeros on the diagonal. The package also includes a method for finding the strongly connected components of a graph. These two methods together give the permutation to block upper triangular form.

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Architecture Package Size Installed Size Files
amd64 23.6 kB62.0 kB [list of files]
arm64 23.3 kB110.0 kB [list of files]
armel 25.1 kB58.0 kB [list of files]
armhf 24.5 kB54.0 kB [list of files]
i386 24.7 kB62.0 kB [list of files]
mips64el 23.3 kB111.0 kB [list of files]
ppc64el 24.8 kB110.0 kB [list of files]
riscv64 23.2 kB54.0 kB [list of files]
s390x 25.6 kB62.0 kB [list of files]