{"id":16717185,"url":"https://github.com/mseri/ocaml-cviode","last_synced_at":"2025-07-11T14:03:10.774Z","repository":{"id":69444277,"uuid":"168674454","full_name":"mseri/ocaml-cviode","owner":"mseri","description":"Contact variational integrators - native ocaml implementation","archived":false,"fork":false,"pushed_at":"2020-10-04T09:35:35.000Z","size":260,"stargazers_count":3,"open_issues_count":0,"forks_count":0,"subscribers_count":3,"default_branch":"master","last_synced_at":"2025-01-22T00:36:01.476Z","etag":null,"topics":["geometric-integrator","hacktoberfest","solvers"],"latest_commit_sha":null,"homepage":"","language":"OCaml","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/mseri.png","metadata":{"files":{"readme":"README.md","changelog":"CHANGES.md","contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2019-02-01T09:34:23.000Z","updated_at":"2024-11-05T00:27:06.000Z","dependencies_parsed_at":null,"dependency_job_id":"73d4b350-8b4b-4eaa-96fd-5fa7b99183cb","html_url":"https://github.com/mseri/ocaml-cviode","commit_stats":null,"previous_names":[],"tags_count":4,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mseri%2Focaml-cviode","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mseri%2Focaml-cviode/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mseri%2Focaml-cviode/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/mseri%2Focaml-cviode/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/mseri","download_url":"https://codeload.github.com/mseri/ocaml-cviode/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":243713402,"owners_count":20335566,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["geometric-integrator","hacktoberfest","solvers"],"created_at":"2024-10-12T21:30:36.015Z","updated_at":"2025-03-15T09:41:55.169Z","avatar_url":"https://github.com/mseri.png","language":"OCaml","funding_links":[],"categories":[],"sub_categories":[],"readme":"# Contact variational integrators - native ocaml implementation\n\nThis is a collection of geometric solvers for initial value problems derived from contact Lagrangians.\nThe provided solvers concern Lagrangians of the form\n```latex\n$$                                         \nL(x, \\dot{x}, z, t) = \\frac12|\\dot{x}|^2 + g_1(x)g_2(z) + h(z) + f(t)x\n$$\n```\nFor further information refer to [_Vermeeren, Bravetti, Seri: Contact Variational Integrators (2019)_](https://arxiv.org/abs/1902.00436).\n\nRunning the integrators on the damped oscillator with and without forcing (see [example/damped.ml](example/damped.ml)) produces the following output:\n\n![no forcing, critical damping](img/damped.png)\n\n![no forcing, critical damping](img/forced.png)\n\n\n## TODO\n\n- [ ] Add mli with documentation\n- [ ] Add implementation with support for $g_2(z)$ as per description\n- [ ] Figure out how to test\n\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmseri%2Focaml-cviode","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fmseri%2Focaml-cviode","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fmseri%2Focaml-cviode/lists"}