{"action":"closed","issue":{"url":"https://api.github.com/repos/hoburg/gpkit/issues/563","repository_url":"https://api.github.com/repos/hoburg/gpkit","labels_url":"https://api.github.com/repos/hoburg/gpkit/issues/563/labels{/name}","comments_url":"https://api.github.com/repos/hoburg/gpkit/issues/563/comments","events_url":"https://api.github.com/repos/hoburg/gpkit/issues/563/events","html_url":"https://github.com/hoburg/gpkit/issues/563","id":139718541,"number":563,"title":"freeing fixed variables","user":{"login":"whoburg","id":6042395,"avatar_url":"https://avatars.githubusercontent.com/u/6042395?v=3","gravatar_id":"","url":"https://api.github.com/users/whoburg","html_url":"https://github.com/whoburg","followers_url":"https://api.github.com/users/whoburg/followers","following_url":"https://api.github.com/users/whoburg/following{/other_user}","gists_url":"https://api.github.com/users/whoburg/gists{/gist_id}","starred_url":"https://api.github.com/users/whoburg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/whoburg/subscriptions","organizations_url":"https://api.github.com/users/whoburg/orgs","repos_url":"https://api.github.com/users/whoburg/repos","events_url":"https://api.github.com/users/whoburg/events{/privacy}","received_events_url":"https://api.github.com/users/whoburg/received_events","type":"User","site_admin":false},"labels":[{"id":175702934,"url":"https://api.github.com/repos/hoburg/gpkit/labels/waiting%20on%20PR","name":"waiting on PR","color":"bfe5bf","default":false}],"state":"closed","locked":false,"assignee":null,"assignees":[],"milestone":{"url":"https://api.github.com/repos/hoburg/gpkit/milestones/13","html_url":"https://github.com/hoburg/gpkit/milestones/Next%20release","labels_url":"https://api.github.com/repos/hoburg/gpkit/milestones/13/labels","id":1608329,"number":13,"title":"Next release","description":"Frustrations / bugs / etc that are achievable in ~ 1 month timeframe.","creator":{"login":"whoburg","id":6042395,"avatar_url":"https://avatars.githubusercontent.com/u/6042395?v=3","gravatar_id":"","url":"https://api.github.com/users/whoburg","html_url":"https://github.com/whoburg","followers_url":"https://api.github.com/users/whoburg/followers","following_url":"https://api.github.com/users/whoburg/following{/other_user}","gists_url":"https://api.github.com/users/whoburg/gists{/gist_id}","starred_url":"https://api.github.com/users/whoburg/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/whoburg/subscriptions","organizations_url":"https://api.github.com/users/whoburg/orgs","repos_url":"https://api.github.com/users/whoburg/repos","events_url":"https://api.github.com/users/whoburg/events{/privacy}","received_events_url":"https://api.github.com/users/whoburg/received_events","type":"User","site_admin":false},"open_issues":9,"closed_issues":20,"state":"open","created_at":"2016-02-26T16:03:40Z","updated_at":"2016-11-29T20:26:40Z","due_on":"2016-11-18T00:00:00Z","closed_at":null},"comments":9,"created_at":"2016-03-09T22:21:25Z","updated_at":"2016-11-29T20:26:40Z","closed_at":"2016-11-29T20:26:40Z","body":"Is it possible to \"free\" a variable in an existing model, such that its `value` is removed, and the corresponding model, when solved, treats that variable as a free variable?\n\nIn an existing model `m`, I tried `m[\"C_L\"].key.descr.pop(\"value\")`, but it doesn't actually remove the value from the descr. I also don't know if other changes would be needed to `Model` to implement this robustly.\n\n... or maybe there's a much smarter way to accomplish converting fixed variables in an existing model to free variables?\n"}}
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