{"action":"created","issue":{"url":"https://api.github.com/repos/josdejong/mathjs/issues/1168","repository_url":"https://api.github.com/repos/josdejong/mathjs","labels_url":"https://api.github.com/repos/josdejong/mathjs/issues/1168/labels{/name}","comments_url":"https://api.github.com/repos/josdejong/mathjs/issues/1168/comments","events_url":"https://api.github.com/repos/josdejong/mathjs/issues/1168/events","html_url":"https://github.com/josdejong/mathjs/issues/1168","id":341238380,"node_id":"MDU6SXNzdWUzNDEyMzgzODA=","number":1168,"title":"lsolve, usolve for non-square matrices?","user":{"login":"mike239x","id":8998317,"node_id":"MDQ6VXNlcjg5OTgzMTc=","avatar_url":"https://avatars2.githubusercontent.com/u/8998317?v=4","gravatar_id":"","url":"https://api.github.com/users/mike239x","html_url":"https://github.com/mike239x","followers_url":"https://api.github.com/users/mike239x/followers","following_url":"https://api.github.com/users/mike239x/following{/other_user}","gists_url":"https://api.github.com/users/mike239x/gists{/gist_id}","starred_url":"https://api.github.com/users/mike239x/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mike239x/subscriptions","organizations_url":"https://api.github.com/users/mike239x/orgs","repos_url":"https://api.github.com/users/mike239x/repos","events_url":"https://api.github.com/users/mike239x/events{/privacy}","received_events_url":"https://api.github.com/users/mike239x/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-07-14T13:58:56Z","updated_at":"2018-07-14T14:57:52Z","closed_at":null,"author_association":"NONE","body":"It seems [`lsolve`](http://mathjs.org/docs/reference/functions/lsolve.html) and [`usolve`](mathjs.org/docs/reference/functions/usolve.html)  are only working for the square matrices.\r\n\r\nWhy is it so? I think it should work for non-square matrices as well.\r\n\r\nWell, the important one is the `usolve`, because if you use LU decomposition \r\n(in my case using [`lup`](http://mathjs.org/docs/reference/functions/lup.html)), you get square L matrix and non-square U matrix."},"comment":{"url":"https://api.github.com/repos/josdejong/mathjs/issues/comments/405028623","html_url":"https://github.com/josdejong/mathjs/issues/1168#issuecomment-405028623","issue_url":"https://api.github.com/repos/josdejong/mathjs/issues/1168","id":405028623,"node_id":"MDEyOklzc3VlQ29tbWVudDQwNTAyODYyMw==","user":{"login":"mike239x","id":8998317,"node_id":"MDQ6VXNlcjg5OTgzMTc=","avatar_url":"https://avatars2.githubusercontent.com/u/8998317?v=4","gravatar_id":"","url":"https://api.github.com/users/mike239x","html_url":"https://github.com/mike239x","followers_url":"https://api.github.com/users/mike239x/followers","following_url":"https://api.github.com/users/mike239x/following{/other_user}","gists_url":"https://api.github.com/users/mike239x/gists{/gist_id}","starred_url":"https://api.github.com/users/mike239x/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/mike239x/subscriptions","organizations_url":"https://api.github.com/users/mike239x/orgs","repos_url":"https://api.github.com/users/mike239x/repos","events_url":"https://api.github.com/users/mike239x/events{/privacy}","received_events_url":"https://api.github.com/users/mike239x/received_events","type":"User","site_admin":false},"created_at":"2018-07-14T14:57:52Z","updated_at":"2018-07-14T14:57:52Z","author_association":"NONE","body":"This is pretty easy to fix by simple adding some zeros to make the matrix square either adding/removing zeros here and there."}}
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