{"action":"opened","issue":{"url":"https://api.github.com/repos/libMesh/libmesh/issues/1130","repository_url":"https://api.github.com/repos/libMesh/libmesh","labels_url":"https://api.github.com/repos/libMesh/libmesh/issues/1130/labels{/name}","comments_url":"https://api.github.com/repos/libMesh/libmesh/issues/1130/comments","events_url":"https://api.github.com/repos/libMesh/libmesh/issues/1130/events","html_url":"https://github.com/libMesh/libmesh/issues/1130","id":184781090,"number":1130,"title":"Add initial guess for eigenproblems","user":{"login":"juan42","id":5412886,"avatar_url":"https://avatars.githubusercontent.com/u/5412886?v=3","gravatar_id":"","url":"https://api.github.com/users/juan42","html_url":"https://github.com/juan42","followers_url":"https://api.github.com/users/juan42/followers","following_url":"https://api.github.com/users/juan42/following{/other_user}","gists_url":"https://api.github.com/users/juan42/gists{/gist_id}","starred_url":"https://api.github.com/users/juan42/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/juan42/subscriptions","organizations_url":"https://api.github.com/users/juan42/orgs","repos_url":"https://api.github.com/users/juan42/repos","events_url":"https://api.github.com/users/juan42/events{/privacy}","received_events_url":"https://api.github.com/users/juan42/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2016-10-24T08:42:40Z","updated_at":"2016-10-24T08:42:40Z","closed_at":null,"body":"As discussed on the libmesh-users mailinglist, there is a demand for setting the initial guess in the EigenSystem / EigenSolver interface. This has to be done via a SLEPc call to EPSSetInitialSpace.\r\n\r\nMy questions for the enhancement are:\r\n\r\n- Should the option be available in EigenSystem or EigenSolver interface? I don't use the EigenSystem class at all, because i have no use for _just_ solving an eigenproblem.\r\n\r\n- Should the option, if set, assume that the last solution is always the next initial space for further solves? (Could be irritating, but beneficial if explicitly documented)"}}
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