{"action":"created","issue":{"url":"https://api.github.com/repos/sympy/sympy/issues/10315","labels_url":"https://api.github.com/repos/sympy/sympy/issues/10315/labels{/name}","comments_url":"https://api.github.com/repos/sympy/sympy/issues/10315/comments","events_url":"https://api.github.com/repos/sympy/sympy/issues/10315/events","html_url":"https://github.com/sympy/sympy/pull/10315","id":123891395,"number":10315,"title":"N-dim arrays: missing slicing for sparse, diff and applyfunc for all.","user":{"login":"Upabjojr","id":4128856,"avatar_url":"https://avatars.githubusercontent.com/u/4128856?v=3","gravatar_id":"","url":"https://api.github.com/users/Upabjojr","html_url":"https://github.com/Upabjojr","followers_url":"https://api.github.com/users/Upabjojr/followers","following_url":"https://api.github.com/users/Upabjojr/following{/other_user}","gists_url":"https://api.github.com/users/Upabjojr/gists{/gist_id}","starred_url":"https://api.github.com/users/Upabjojr/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Upabjojr/subscriptions","organizations_url":"https://api.github.com/users/Upabjojr/orgs","repos_url":"https://api.github.com/users/Upabjojr/repos","events_url":"https://api.github.com/users/Upabjojr/events{/privacy}","received_events_url":"https://api.github.com/users/Upabjojr/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"milestone":null,"comments":1,"created_at":"2015-12-25T17:28:58Z","updated_at":"2015-12-25T17:31:32Z","closed_at":null,"pull_request":{"url":"https://api.github.com/repos/sympy/sympy/pulls/10315","html_url":"https://github.com/sympy/sympy/pull/10315","diff_url":"https://github.com/sympy/sympy/pull/10315.diff","patch_url":"https://github.com/sympy/sympy/pull/10315.patch"},"body":" \r\n* fixed bug: allow N-dim array constructors to accept another N-dim array as unique argument.\r\n* sprase arrays now support element access through slicing (previous PR added this support to dense N-dim arrays only).\r\n* `applyfunc` for N-dim arrays, works exactly as with matrices.\r\n* `diff` for N-dim arrays, works exactly as with matrices.\r\n* added more tests and docstrings."},"comment":{"url":"https://api.github.com/repos/sympy/sympy/issues/comments/167252910","html_url":"https://github.com/sympy/sympy/pull/10315#issuecomment-167252910","issue_url":"https://api.github.com/repos/sympy/sympy/issues/10315","id":167252910,"user":{"login":"Upabjojr","id":4128856,"avatar_url":"https://avatars.githubusercontent.com/u/4128856?v=3","gravatar_id":"","url":"https://api.github.com/users/Upabjojr","html_url":"https://github.com/Upabjojr","followers_url":"https://api.github.com/users/Upabjojr/followers","following_url":"https://api.github.com/users/Upabjojr/following{/other_user}","gists_url":"https://api.github.com/users/Upabjojr/gists{/gist_id}","starred_url":"https://api.github.com/users/Upabjojr/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/Upabjojr/subscriptions","organizations_url":"https://api.github.com/users/Upabjojr/orgs","repos_url":"https://api.github.com/users/Upabjojr/repos","events_url":"https://api.github.com/users/Upabjojr/events{/privacy}","received_events_url":"https://api.github.com/users/Upabjojr/received_events","type":"User","site_admin":false},"created_at":"2015-12-25T17:31:32Z","updated_at":"2015-12-25T17:31:32Z","body":"By the way... why don't matrices implement `_eval_diff` ?\r\n\r\nI just modelled my code after the matrix module, so I didn't add that method either. Is there a reason why matrices don't have it?"}}