{"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":786,"title":"Top of the Hour : Return from your routine within 1 second of the hour","description":"*Top of the Hour*\r\n\r\nSubmit your routine such that it returns to Cody after the hour and within 1 second of the hour.\r\n\r\nThe test criteria will be two seconds.\r\n\r\n*Inputs: None*\r\n\r\n*Outputs: Unused variable*\r\n\r\n*function x=Top_of_Hour*","description_html":"\u003cp\u003e\u003cb\u003eTop of the Hour\u003c/b\u003e\u003c/p\u003e\u003cp\u003eSubmit your routine such that it returns to Cody after the hour and within 1 second of the hour.\u003c/p\u003e\u003cp\u003eThe test criteria will be two seconds.\u003c/p\u003e\u003cp\u003e\u003cb\u003eInputs: None\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eOutputs: Unused variable\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003efunction x=Top_of_Hour\u003c/b\u003e\u003c/p\u003e","function_template":"function x=Top_of_Hour\r\n  x=1;\r\n  pause(0.2);\r\nend","test_suite":"%%\r\nformat long\r\nformat compact\r\n\r\ndatestr(now)\r\n\r\nx=Top_of_Hour;\r\n\r\ny=now;\r\ndatestr(y)\r\n\r\nmmss_dec=rem(y*24,1) % hh:59:59 is 0.99972\r\n\r\nPass=0;\r\n\r\nif mmss_dec\u003c2/3600,Pass=1;end % 2 second threshold\r\n\r\n\r\nassert(Pass==1,sprintf('%s',datestr(y)))\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":2,"created_by":3097,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":26,"test_suite_updated_at":"2012-06-23T18:04:34.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2012-06-23T17:49:12.000Z","updated_at":"2026-05-26T05:00:00.000Z","published_at":"2012-06-23T17:59:58.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"targetMode\":\"\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"targetMode\":\"\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\\n\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eTop of the Hour\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eSubmit your routine such that it returns to Cody after the hour and within 1 second of the hour.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThe test criteria will be two seconds.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle 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will be two seconds.\u003c/p\u003e\u003cp\u003e\u003cb\u003eInputs: None\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003eOutputs: Unused variable\u003c/b\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003efunction x=Top_of_Hour\u003c/b\u003e\u003c/p\u003e","function_template":"function x=Top_of_Hour\r\n  x=1;\r\n  pause(0.2);\r\nend","test_suite":"%%\r\nformat long\r\nformat compact\r\n\r\ndatestr(now)\r\n\r\nx=Top_of_Hour;\r\n\r\ny=now;\r\ndatestr(y)\r\n\r\nmmss_dec=rem(y*24,1) % hh:59:59 is 0.99972\r\n\r\nPass=0;\r\n\r\nif mmss_dec\u003c2/3600,Pass=1;end % 2 second threshold\r\n\r\n\r\nassert(Pass==1,sprintf('%s',datestr(y)))\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":2,"created_by":3097,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":26,"test_suite_updated_at":"2012-06-23T18:04:34.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2012-06-23T17:49:12.000Z","updated_at":"2026-05-26T05:00:00.000Z","published_at":"2012-06-23T17:59:58.000Z","restored_at":null,"restored_by":null,"spam":false,"simulink":false,"admin_reviewed":false,"description_opc":"{\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"targetMode\":\"\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"targetMode\":\"\",\"relationshipId\":\"rId2\",\"target\":\"/matlab/output.xml\"}],\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"relationship\":[],\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\\n\u003cw:document xmlns:w=\\\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\\\"\u003e\u003cw:body\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eTop of the Hour\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eSubmit your routine such that it returns to Cody after the hour and within 1 second of the hour.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eThe test criteria will be two seconds.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eInputs: None\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eOutputs: Unused variable\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003efunction x=Top_of_Hour\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\"},{\"partUri\":\"/matlab/output.xml\",\"contentType\":\"text/xml\",\"content\":\"\u003c?xml version=\\\"1.0\\\" encoding=\\\"UTF-8\\\" standalone=\\\"no\\\" 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