{"action":"created","issue":{"url":"https://api.github.com/repos/scipy/scipy/issues/4884","labels_url":"https://api.github.com/repos/scipy/scipy/issues/4884/labels{/name}","comments_url":"https://api.github.com/repos/scipy/scipy/issues/4884/comments","events_url":"https://api.github.com/repos/scipy/scipy/issues/4884/events","html_url":"https://github.com/scipy/scipy/pull/4884","id":77728365,"number":4884,"title":"ENH: Finite difference approximation of Jacobian matrix","user":{"login":"nmayorov","id":7074023,"avatar_url":"https://avatars.githubusercontent.com/u/7074023?v=3","gravatar_id":"","url":"https://api.github.com/users/nmayorov","html_url":"https://github.com/nmayorov","followers_url":"https://api.github.com/users/nmayorov/followers","following_url":"https://api.github.com/users/nmayorov/following{/other_user}","gists_url":"https://api.github.com/users/nmayorov/gists{/gist_id}","starred_url":"https://api.github.com/users/nmayorov/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nmayorov/subscriptions","organizations_url":"https://api.github.com/users/nmayorov/orgs","repos_url":"https://api.github.com/users/nmayorov/repos","events_url":"https://api.github.com/users/nmayorov/events{/privacy}","received_events_url":"https://api.github.com/users/nmayorov/received_events","type":"User","site_admin":false},"labels":[{"url":"https://api.github.com/repos/scipy/scipy/labels/enhancement","name":"enhancement","color":"bfe5bf"},{"url":"https://api.github.com/repos/scipy/scipy/labels/scipy.optimize","name":"scipy.optimize","color":"207de5"}],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":44,"created_at":"2015-05-18T17:01:41Z","updated_at":"2015-07-07T00:30:08Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/scipy/scipy/pulls/4884","html_url":"https://github.com/scipy/scipy/pull/4884","diff_url":"https://github.com/scipy/scipy/pull/4884.diff","patch_url":"https://github.com/scipy/scipy/pull/4884.patch"},"body":"At some point I wanted to run \"check_grad\" on vector-valued function, but it doesn't work. Also I will need a numeric Jacobian approximation function for the future work. \r\n\r\nI decided to implement them as new functions, because it was difficult to modify the old ones without breaking the interface, etc. \r\n\r\nIt is not well polished and subject to change, but I decided to make this pull request earlier."},"comment":{"url":"https://api.github.com/repos/scipy/scipy/issues/comments/119034645","html_url":"https://github.com/scipy/scipy/pull/4884#issuecomment-119034645","issue_url":"https://api.github.com/repos/scipy/scipy/issues/4884","id":119034645,"user":{"login":"nmayorov","id":7074023,"avatar_url":"https://avatars.githubusercontent.com/u/7074023?v=3","gravatar_id":"","url":"https://api.github.com/users/nmayorov","html_url":"https://github.com/nmayorov","followers_url":"https://api.github.com/users/nmayorov/followers","following_url":"https://api.github.com/users/nmayorov/following{/other_user}","gists_url":"https://api.github.com/users/nmayorov/gists{/gist_id}","starred_url":"https://api.github.com/users/nmayorov/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/nmayorov/subscriptions","organizations_url":"https://api.github.com/users/nmayorov/orgs","repos_url":"https://api.github.com/users/nmayorov/repos","events_url":"https://api.github.com/users/nmayorov/events{/privacy}","received_events_url":"https://api.github.com/users/nmayorov/received_events","type":"User","site_admin":false},"created_at":"2015-07-07T00:30:08Z","updated_at":"2015-07-07T00:30:08Z","body":"I removed \"sparse\" commits, hopefully didn't lost them in the process. Now what?"}}