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Softw. 24(1): 130-156).\nEXPOKIT includes functions for exponentiating both small, dense\nmatrices, and large, sparse matrices (in sparse matrices, most\nof the cells have value 0). Rapid matrix exponentiation is\nuseful in phylogenetics when we have a large number of states\n(as we do when we are inferring the history of transitions\nbetween the possible geographic ranges of a species), but is\nprobably useful in other ways as well. NOTE: In case FORTRAN\nchecks temporarily get rexpokit archived on CRAN, see archived\nbinaries at GitHub in: nmatzke/Matzke_R_binaries (binaries\ninstall without compilation of source code).", "URL": "http://phylo.wikidot.com/rexpokit", "License": "GPL (>= 2)", "LazyLoad": "yes", "ByteCompile": "yes", "Packaged": { "Date": "2026-05-31 07:05:17 UTC", "User": "root" }, "NeedsCompilation": "yes", "Repository": "https://cran.r-universe.dev", "Date/Publication": "2026-04-01 21:04:35 UTC", "RemoteUrl": "https://github.com/cran/rexpokit", "RemoteRef": "HEAD", "RemoteSha": "0973a2ff8bcff8c085770f180e6e84ec149a5f87", "MD5sum": "2b5a872582fcd2a43e021f6af7376712", "_user": "cran", "_type": "src", "_file": "rexpokit_0.26.6.15.tar.gz", "_fileid": "dcf97255b82a0feee8741675ffe3c735295ea0b2a3298c82ecc536b1952240fa", "_filesize": 623662, "_sha256": "dcf97255b82a0feee8741675ffe3c735295ea0b2a3298c82ecc536b1952240fa", "_created": "2026-05-31T07:05:17.000Z", "_published": "2026-05-31T07:08:18.520Z", "_distro": "noble", "_jobs": [ { "job": 78707493580, "time": 115, "config": "linux-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "7314669002" }, { "job": 78707493589, "time": 106, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "7314668157" }, { "job": 78707493591, "time": 125, "config": "linux-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "7314669972" }, { "job": 78707493592, "time": 129, "config": "linux-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "7314670433" }, { "job": 78707351555, "time": 160, "config": "source", "r": "4.6.0", "check": "OK", "artifact": "7314657221" }, { "job": 78707493601, "time": 103, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "7314667862" } ], "_buildurl": "https://github.com/r-universe/cran/actions/runs/26705960813", "_status": "success", "_host": "GitHub-Actions", "_upstream": "https://github.com/cran/rexpokit", "_commit": { "id": "0973a2ff8bcff8c085770f180e6e84ec149a5f87", "author": "Nicholas J. 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