# bdsmatrix v1.3-3

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## Routines for Block Diagonal Symmetric Matrices

This is a special case of sparse matrices, used by coxme.

## Functions in bdsmatrix

 Name Description as.matrix.bdsmatrix Convert a bdsmatrix to a ordinary (dense) matrix backsolve Solve an Upper or Lower Triangular System bdsmatrix.ibd Create a bdsmatrix from a list bdsmatrix.reconcile Ensure alignment of two bdsmatrix objects bdsBlock Block diagonal matrices. bdsI Sparse identity matrices gchol.bdsmatrix-class Class "gchol.bdsmatrix" listbdsmatrix List out a bdsmatrix as row/col/value triplets solve.bdsmatrix Solve a matrix equation using the generalized Cholesky decompostion solve.gchol Solve a matrix equation using the generalized Cholesky decompostion gchol-class Class "gchol" gchol Generalized Cholesky decompostion bdsmatrix-class Class "bdsmatrix" bdsmatrix Create a sparse symmetric block diagonal matrix object No Results!