{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2026-05-26T00:16:20.000Z","description":"Problems submitted by members of the MATLAB Central community.","is_default":true,"created_by":161519,"badge_id":null,"featured":false,"trending":false,"solution_count_in_trending_period":0,"trending_last_calculated":"2026-05-26T00:00:00.000Z","image_id":null,"published":true,"community_created":false,"status_id":2,"is_default_group_for_player":false,"deleted_by":null,"deleted_at":null,"restored_by":null,"restored_at":null,"description_opc":null,"description_html":null,"published_at":null},"problems":[{"id":42817,"title":"Pipeline","description":"Do something that makes\r\n\r\nx\u003e f1 \u003e f2 ... \u003e fn\r\n\r\nequal to\r\n\r\nfn(...f2(f1(x))...)\r\n\r\n* x : MATLAB object\r\n* fi: function handle\r\n\r\nExample:\r\n\r\n  \u003e\u003e cos(sin(1))\r\n  ans =\r\n           0.666366745392881\r\n  \u003e\u003e 1 \u003e @sin \u003e @cos\r\n  ans =\r\n           0.666366745392881","description_html":"\u003cp\u003eDo something that makes\u003c/p\u003e\u003cp\u003ex\u0026gt; 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