{"action":"created","issue":{"url":"https://api.github.com/repos/tbeu/Modelica/issues/95","repository_url":"https://api.github.com/repos/tbeu/Modelica","labels_url":"https://api.github.com/repos/tbeu/Modelica/issues/95/labels{/name}","comments_url":"https://api.github.com/repos/tbeu/Modelica/issues/95/comments","events_url":"https://api.github.com/repos/tbeu/Modelica/issues/95/events","html_url":"https://github.com/tbeu/Modelica/issues/95","id":196451727,"number":95,"title":"rooted() operator is used in MultiBody library but not in 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by &#x64;i&#101;tmarw on 30 Jul 2008 13:53 UTC**\nThe operator \"rooted\", which is not mentioned in the specification, is used in the following models:\n```\nModelica.Mechanics.MultiBody.Parts.FixedRotation\nModelica.Mechanics.MultiBody.Joints.Revolute\nModelica.Mechanics.MultiBody.Joints.Spherical\nModelica.Mechanics.MultiBody.Joints.FreeMotion\n```\n\n----\n\n**Reported by PHarman on 23 Jul 2008 16:33 UTC**\nThe operator \"rooted\", which is not mentioned in the specification, is used in the following models:\nModelica.Mechanics.MultiBody.Parts.FixedRotation\nModelica.Mechanics.MultiBody.Joints.Revolute\nModelica.Mechanics.MultiBody.Joints.Spherical\nModelica.Mechanics.MultiBody.Joints.FreeMotion\n\n\nMigrated-From: https://trac.modelica.org/Modelica/ticket/95"},"comment":{"url":"https://api.github.com/repos/tbeu/Modelica/issues/comments/268004643","html_url":"https://github.com/tbeu/Modelica/issues/95#issuecomment-268004643","issue_url":"https://api.github.com/repos/tbeu/Modelica/issues/95","id":268004643,"user":{"login":"modelica-trac-importer","id":22202507,"avatar_url":"https://avatars.githubusercontent.com/u/22202507?v=3","gravatar_id":"","url":"https://api.github.com/users/modelica-trac-importer","html_url":"https://github.com/modelica-trac-importer","followers_url":"https://api.github.com/users/modelica-trac-importer/followers","following_url":"https://api.github.com/users/modelica-trac-importer/following{/other_user}","gists_url":"https://api.github.com/users/modelica-trac-importer/gists{/gist_id}","starred_url":"https://api.github.com/users/modelica-trac-importer/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/modelica-trac-importer/subscriptions","organizations_url":"https://api.github.com/users/modelica-trac-importer/orgs","repos_url":"https://api.github.com/users/modelica-trac-importer/repos","events_url":"https://api.github.com/users/modelica-trac-importer/events{/privacy}","received_events_url":"https://api.github.com/users/modelica-trac-importer/received_events","type":"User","site_admin":false},"created_at":"2016-12-19T16:12:10Z","updated_at":"2016-12-19T16:12:10Z","body":"**Comment by pharman on 24 May 2012 13:02 UTC**\nCan we please add this to the table of Overconstrained Equation Operators for Connection Graphs, the short description by Hans is perfectly understandable in the context of the overall description and other operators:\n\n_Connections.rooted(a, b) returns true if a is closer to the root than b; it is required that there exists a non-breakable branch between a and b._\n\nThis ticket is not a discussion about the future, it is not a \"wouldn't it be nice if...\" or a \"let's do this in Modelica 4...\" - it is nearly 4 years old and documents a disparity between the Modelica **Standard** Library and the Modelica Specification that has existed since the release of Modelica 3.0."}}
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