Description Usage Arguments Value Examples
This is a wrapper for the Cholesky-solvers 'LLT' (dense case) or 'Simplicial-LLT' (sparse case) from Eigen. The function computes the solution:
\mathbf{b} = \mathbf{X}^{-1} \mathbf{y}
If no vector y
is passed, an identity matrix will be assigned
and the function returns the inverse of \mathbf{X}.
In the case of multiple right hand sides (as is the case when computing an inverse matrix)
multiple threads will solve equal parts of it.
1 |
X |
positive definite square matrix of type |
y |
numeric vector of length equal to columns/rows of |
Solution vector/matrix
1 2 3 4 5 6 7 8 9 10 11 12 13 |
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