/usr/lib/R/site-library/expm/INDEX is in r-cran-expm 0.999-0-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 | balance Balance a Square Matrix via LAPACK's DGEBAL
expAtv Compute Matrix Exponential exp(A t) * v
directly
expm Matrix Exponential
expm.Higham08 Matrix Exponential [Higham 2008]
expmCond Exponential Condition Number of a Matrix
expmFrechet Frechet Derivative of the Matrix Exponential
logm Matrix Logarithm
matStig Stig's "infamous" Example Matrix
matpow Matrix Power
sqrtm Matrix Square Root
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