{"action":"opened","issue":{"url":"https://api.github.com/repos/dealii/dealii/issues/5598","repository_url":"https://api.github.com/repos/dealii/dealii","labels_url":"https://api.github.com/repos/dealii/dealii/issues/5598/labels{/name}","comments_url":"https://api.github.com/repos/dealii/dealii/issues/5598/comments","events_url":"https://api.github.com/repos/dealii/dealii/issues/5598/events","html_url":"https://github.com/dealii/dealii/issues/5598","id":280322604,"number":5598,"title":"Multiplying of DynamicSparsityPattern","user":{"login":"ExtremOPS","id":25452149,"avatar_url":"https://avatars2.githubusercontent.com/u/25452149?v=4","gravatar_id":"","url":"https://api.github.com/users/ExtremOPS","html_url":"https://github.com/ExtremOPS","followers_url":"https://api.github.com/users/ExtremOPS/followers","following_url":"https://api.github.com/users/ExtremOPS/following{/other_user}","gists_url":"https://api.github.com/users/ExtremOPS/gists{/gist_id}","starred_url":"https://api.github.com/users/ExtremOPS/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/ExtremOPS/subscriptions","organizations_url":"https://api.github.com/users/ExtremOPS/orgs","repos_url":"https://api.github.com/users/ExtremOPS/repos","events_url":"https://api.github.com/users/ExtremOPS/events{/privacy}","received_events_url":"https://api.github.com/users/ExtremOPS/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2017-12-07T23:59:47Z","updated_at":"2017-12-07T23:59:47Z","closed_at":null,"author_association":"CONTRIBUTOR","body":"Hi all,\r\n\r\nat one point in my thesis I had to know where entries in a sparse matrix are. This matrix was composed of a multiplication of three matrices. To get this information I wrote a function which multiplies two DynamicSparsityPattern with each other to construct the resulting DynamicSparsityPattern exactly.\r\n\r\nAs far as I know, does this functionality not exist for the Class DynamicSparsityPattern. Do you think that this is a useful function to have? (Or was this an unnecessary extra effort because the solution is much easier?)"}}
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