{"action":"created","issue":{"url":"https://api.github.com/repos/ddemidov/amgcl/issues/89","repository_url":"https://api.github.com/repos/ddemidov/amgcl","labels_url":"https://api.github.com/repos/ddemidov/amgcl/issues/89/labels{/name}","comments_url":"https://api.github.com/repos/ddemidov/amgcl/issues/89/comments","events_url":"https://api.github.com/repos/ddemidov/amgcl/issues/89/events","html_url":"https://github.com/ddemidov/amgcl/issues/89","id":353917952,"node_id":"MDU6SXNzdWUzNTM5MTc5NTI=","number":89,"title":"Question: How to retrieve the initial residual from the linear solvers?","user":{"login":"klausbu","id":15068414,"node_id":"MDQ6VXNlcjE1MDY4NDE0","avatar_url":"https://avatars0.githubusercontent.com/u/15068414?v=4","gravatar_id":"","url":"https://api.github.com/users/klausbu","html_url":"https://github.com/klausbu","followers_url":"https://api.github.com/users/klausbu/followers","following_url":"https://api.github.com/users/klausbu/following{/other_user}","gists_url":"https://api.github.com/users/klausbu/gists{/gist_id}","starred_url":"https://api.github.com/users/klausbu/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/klausbu/subscriptions","organizations_url":"https://api.github.com/users/klausbu/orgs","repos_url":"https://api.github.com/users/klausbu/repos","events_url":"https://api.github.com/users/klausbu/events{/privacy}","received_events_url":"https://api.github.com/users/klausbu/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":15,"created_at":"2018-08-24T20:31:21Z","updated_at":"2018-09-07T16:59:41Z","closed_at":null,"author_association":"NONE","body":"I am thinking of implementing AMGCL in an application but I need to provide the application with the **initial residual** of the solve process and of course the final residual and number of iterations at the end of the process as input for the overall simulation progress monitoring.\r\n\r\nHow can I retrieve or calculate the initial residual?\r\n\r\nA complete simulation requires 500 to 10.000 x5 linear systems solves to reach overall convergence and this progress is monitored."},"comment":{"url":"https://api.github.com/repos/ddemidov/amgcl/issues/comments/419502799","html_url":"https://github.com/ddemidov/amgcl/issues/89#issuecomment-419502799","issue_url":"https://api.github.com/repos/ddemidov/amgcl/issues/89","id":419502799,"node_id":"MDEyOklzc3VlQ29tbWVudDQxOTUwMjc5OQ==","user":{"login":"ddemidov","id":270503,"node_id":"MDQ6VXNlcjI3MDUwMw==","avatar_url":"https://avatars0.githubusercontent.com/u/270503?v=4","gravatar_id":"","url":"https://api.github.com/users/ddemidov","html_url":"https://github.com/ddemidov","followers_url":"https://api.github.com/users/ddemidov/followers","following_url":"https://api.github.com/users/ddemidov/following{/other_user}","gists_url":"https://api.github.com/users/ddemidov/gists{/gist_id}","starred_url":"https://api.github.com/users/ddemidov/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ddemidov/subscriptions","organizations_url":"https://api.github.com/users/ddemidov/orgs","repos_url":"https://api.github.com/users/ddemidov/repos","events_url":"https://api.github.com/users/ddemidov/events{/privacy}","received_events_url":"https://api.github.com/users/ddemidov/received_events","type":"User","site_admin":false},"created_at":"2018-09-07T16:59:41Z","updated_at":"2018-09-07T16:59:41Z","author_association":"OWNER","body":"Would Karl's idea work for you? It seems the overhead would be negligible anyway due to the overall algorithm complexity. "}}
{"actor":{"display_login":"ddemidov"}}