{
  "_id": "6a633662d3420cf5dfdb8b0a",
  "Package": "roptim",
  "Type": "Package",
  "Title": "General Purpose Optimization in R using C++",
  "Version": "0.1.7",
  "Authors@R": "person(given = \"Yi\",\nfamily = \"Pan\",\nrole = c(\"aut\", \"cre\"),\nemail = \"ypan1988@gmail.com\")",
  "Description": "Perform general purpose optimization in R using C++. A\nunified wrapper interface is provided to call C functions of\nthe five optimization algorithms ('Nelder-Mead', 'BFGS', 'CG',\n'L-BFGS-B' and 'SANN') underlying optim().",
  "License": "GPL (>= 2)",
  "Encoding": "UTF-8",
  "RoxygenNote": "7.1.1",
  "URL": "https://github.com/ypan1988/roptim/",
  "BugReports": "https://github.com/ypan1988/roptim/issues",
  "VignetteBuilder": "R.rsp",
  "Config/testthat/edition": "3",
  "Repository": "https://ypan1988.r-universe.dev",
  "Date/Publication": "2025-10-02 19:43:31 UTC",
  "RemoteUrl": "https://github.com/ypan1988/roptim",
  "RemoteRef": "HEAD",
  "RemoteSha": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-07-24 07:53:54 UTC",
    "User": "root"
  },
  "Author": "Yi Pan [aut, cre]",
  "Maintainer": "Yi Pan <ypan1988@gmail.com>",
  "_user": "ypan1988",
  "_type": "src",
  "_file": "roptim_0.1.7.tar.gz",
  "_fileid": "https://r2.ropensci.org/008e80f9c881a367d07be786cdfa75b3caf9e5058ddf797186262ce3b2674575",
  "_filesize": 277791,
  "_sha256": "008e80f9c881a367d07be786cdfa75b3caf9e5058ddf797186262ce3b2674575",
  "_expires": "2026-11-01T09:54:40.000Z",
  "_created": "2026-07-24T07:53:54.000Z",
  "_published": "2026-07-24T09:54:42.114Z",
  "_jobs": [
    {
      "job": 89429950303,
      "time": 120,
      "config": "linux-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8590301276"
    },
    {
      "job": 89429950308,
      "time": 134,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8590306394"
    },
    {
      "job": 89429950345,
      "time": 109,
      "config": "linux-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8590297372"
    },
    {
      "job": 89429950322,
      "time": 124,
      "config": "linux-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8590302879"
    },
    {
      "job": 89429950317,
      "time": 167,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "8592848854"
    },
    {
      "job": 89429950369,
      "time": 482,
      "config": "macos-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "8593015165"
    },
    {
      "job": 89429950323,
      "time": 174,
      "config": "macos-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8592839837"
    },
    {
      "job": 89429950327,
      "time": 413,
      "config": "macos-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8592956172"
    },
    {
      "job": 89429307791,
      "time": 214,
      "config": "source",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8590255559"
    },
    {
      "job": 89429950309,
      "time": 112,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "8590298562"
    },
    {
      "job": 89429950305,
      "time": 94,
      "config": "windows-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8590291753"
    },
    {
      "job": 89429950333,
      "time": 90,
      "config": "windows-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "8590290147"
    },
    {
      "job": 89429950358,
      "time": 100,
      "config": "windows-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8590294427"
    }
  ],
  "_host": "GitHub-Actions",
  "_buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537",
  "_status": "success",
  "_upstream": "https://github.com/ypan1988/roptim",
  "_commit": {
    "id": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
    "author": "Yi Pan <ypan1988@gmail.com>",
    "committer": "Yi Pan <ypan1988@gmail.com>",
    "message": "fix NOTE\n",
    "time": 1759434211
  },
  "_maintainer": {
    "name": "Yi Pan",
    "email": "ypan1988@gmail.com",
    "login": "ypan1988",
    "description": "",
    "uuid": 8374747
  },
  "_distro": "resolute",
  "_registered": true,
  "_dependencies": [
    {
      "package": "Rcpp",
      "role": "LinkingTo"
    },
    {
      "package": "RcppArmadillo",
      "role": "LinkingTo"
    },
    {
      "package": "Rcpp",
      "version": ">= 0.12.14",
      "role": "Imports"
    },
    {
      "package": "R.rsp",
      "role": "Suggests"
    },
    {
      "package": "testthat",
      "version": ">= 3.0.0",
      "role": "Suggests"
    }
  ],
  "_owner": "ypan1988",
  "_selfowned": true,
  "_usedby": 29,
  "_updates": [
    {
      "week": "2025-40",
      "n": 2
    }
  ],
  "_tags": [],
  "_topics": [
    "armadillo",
    "bfgs",
    "conjugate-gradient",
    "l-bfgs-b",
    "nelder-mead",
    "optim",
    "rcpp",
    "simulated-annealing",
    "openblas",
    "cpp"
  ],
  "_stars": 22,
  "_contributors": [
    {
      "user": "ypan1988",
      "count": 20,
      "uuid": 8374747
    },
    {
      "user": "eddelbuettel",
      "count": 1,
      "uuid": 673121
    },
    {
      "user": "privefl",
      "count": 1,
      "uuid": 11161036
    }
  ],
  "_userbio": {
    "uuid": 8374747,
    "type": "user",
    "name": "Yi Pan",
    "followers": 4
  },
  "_downloads": {
    "count": 3288,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/roptim"
  },
  "_devurl": "https://github.com/ypan1988/roptim",
  "_searchresults": 15,
  "_rbuild": "4.6.1",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/readme.html",
    "extra/readme.md",
    "extra/roptim.html",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/ypan1988/roptim",
  "_realowner": "ypan1988",
  "_cranurl": true,
  "_releases": [
    {
      "version": "0.1.0",
      "date": "2018-09-30"
    },
    {
      "version": "0.1.1",
      "date": "2018-10-18"
    },
    {
      "version": "0.1.2",
      "date": "2018-11-12"
    },
    {
      "version": "0.1.3",
      "date": "2020-03-28"
    },
    {
      "version": "0.1.4",
      "date": "2020-04-02"
    },
    {
      "version": "0.1.5",
      "date": "2020-06-29"
    },
    {
      "version": "0.1.6",
      "date": "2022-08-06"
    },
    {
      "version": "0.1.7",
      "date": "2025-10-03"
    }
  ],
  "_exports": [
    "example1_rosen_bfgs",
    "example1_rosen_grad_hess_check",
    "example1_rosen_nograd_bfgs",
    "example1_rosen_other_methods",
    "example2_tsp_sann",
    "example3_flb_25_dims_box_con",
    "example4_wild_fun"
  ],
  "_help": [
    {
      "page": "example1_rosen_bfgs",
      "title": "Example 1: Minimize Rosenbrock function using BFGS",
      "topics": [
        "example1_rosen_bfgs"
      ]
    },
    {
      "page": "example1_rosen_grad_hess_check",
      "title": "Example 1: Gradient/Hessian checks for the implemented C++ class of Rosenbrock function",
      "topics": [
        "example1_rosen_grad_hess_check"
      ]
    },
    {
      "page": "example1_rosen_nograd_bfgs",
      "title": "Example 1: Minimize Rosenbrock function (with numerical gradient) using BFGS",
      "topics": [
        "example1_rosen_nograd_bfgs"
      ]
    },
    {
      "page": "example1_rosen_other_methods",
      "title": "Example 1: Minimize Rosenbrock function using other methods",
      "topics": [
        "example1_rosen_other_methods"
      ]
    },
    {
      "page": "example2_tsp_sann",
      "title": "Example 2: Solve Travelling Salesman Problem (TSP) using SANN",
      "topics": [
        "example2_tsp_sann"
      ]
    },
    {
      "page": "example3_flb_25_dims_box_con",
      "title": "Example 3: Minimize a function using L-BFGS-B with 25-dimensional box constrained",
      "topics": [
        "example3_flb_25_dims_box_con"
      ]
    },
    {
      "page": "example4_wild_fun",
      "title": "Example 4: Minimize a \"wild\" function using SANN and BFGS",
      "topics": [
        "example4_wild_fun"
      ]
    },
    {
      "page": "roptim",
      "title": "roptim",
      "topics": [
        "roptim"
      ]
    }
  ],
  "_readme": "https://github.com/ypan1988/roptim/raw/HEAD/README.md",
  "_rundeps": [
    "Rcpp",
    "RcppArmadillo"
  ],
  "_sysdeps": [
    {
      "shlib": "libblas",
      "package": "libopenblas0-pthread",
      "source": "openblas",
      "version": "0.3.32+ds-5",
      "name": "openblas",
      "homepage": "https://www.openblas.net/",
      "description": "Optimized BLAS (linear algebra) library (shared lib, pthread)"
    },
    {
      "shlib": "libstdc++",
      "package": "libstdc++6",
      "source": "gcc",
      "version": "16-20260322-1ubuntu1",
      "name": "c++",
      "homepage": "http://gcc.gnu.org/",
      "description": "GNU Standard C++ Library v3"
    }
  ],
  "_vignettes": [
    {
      "source": "article.pdf.asis",
      "filename": "article.pdf",
      "title": "roptim: An R Package for General Purpose Optimization with C++",
      "engine": "R.rsp::asis",
      "headings": [
        "Introduction",
        "Design of package roptim",
        "Examples",
        "Conclusion",
        "Reimplementing two simple optimization tasks in C++",
        "Profile vs Non-profile for joint mean-covariance models"
      ],
      "created": "2018-11-12 21:54:35",
      "modified": "2018-11-12 21:54:35",
      "commits": 1
    }
  ],
  "_score": 7.974965001364519,
  "_indexed": true,
  "_nocasepkg": "roptim",
  "_universes": [
    "ypan1988"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "0.1.7",
      "date": "2026-07-24T07:56:00.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/3ccbf7c670fd2cf8f6b9b614f06ff06efbdf32b18bf1cf113b57ee178d5bb3bb",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "0.1.7",
      "date": "2026-07-24T07:56:10.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/5c14506d79fa4141054682bc94e3a6f767378303ff04198f4bed26e6aadbb283",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "0.1.7",
      "date": "2026-07-24T07:55:51.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/8df9c1a8dd07dc54b4231c334c59554b161150cb683285ab570ed1798a1ac0f5",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "0.1.7",
      "date": "2026-07-24T07:56:07.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/7e98cd0a56a8ebb319e2c996d336bf5f15677a4a399969d0bcad0dcbc46d42af",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "0.1.7",
      "date": "2026-07-24T09:46:01.000Z",
      "arch": "aarch64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/bd7761570b8322c299ff24f0d0b9b0d881fdf081ad63ef1a9562092c95f74149",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "0.1.7",
      "date": "2026-07-24T09:52:07.000Z",
      "arch": "x86_64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/aea989f8f15872d89031b83bdb49b61e0abd1cf2b314c077f7103ac5aed503d9",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "0.1.7",
      "date": "2026-07-24T09:45:36.000Z",
      "arch": "aarch64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/8bfbffb48cd1cd2e3b93c04896b1fbfb7b7e23b779d63873df78510eb8ab69d2",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "0.1.7",
      "date": "2026-07-24T09:49:58.000Z",
      "arch": "x86_64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/c0cd046e1e71763cc3670603dee7348161204d5ce0a483e5a7c59c5a8ed63958",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "0.1.7",
      "date": "2026-07-24T07:56:02.000Z",
      "arch": "emscripten",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/41c14e1b83712b82221257ff0fbfe08a4bbad9ffa14a1993c0ce9202b9193449",
      "status": "success",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "0.1.7",
      "date": "2026-07-24T07:55:10.000Z",
      "arch": "x86_64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/ba5de52911cfbf448c4f701e5d9c0d31954322e23d5a17ceddebbdb5b3ccca02",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "0.1.7",
      "date": "2026-07-24T07:55:05.000Z",
      "arch": "x86_64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/714ea20e8546f0abb492762db39e0c47fa7557e20ed39cf0e72eeb93e2999bb1",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "0.1.7",
      "date": "2026-07-24T07:55:14.000Z",
      "arch": "x86_64",
      "commit": "f01c360c4f67ffae5ea18ba5c4add5b2cd9dc6f8",
      "fileid": "https://r2.ropensci.org/c5765a1b2469aae3db329225f50864ca22cd9b824bbb1c575d2c3a763280949b",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/ypan1988/actions/runs/30076805537"
    }
  ]
}