{"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":1008,"title":"Determine if input is a Narcissistic number","description":"\u003chttp://en.wikipedia.org/wiki/Narcissistic_number Narcissistic number\u003e is a number that is the sum of its own digits each raised to the power of the number of digits.\r\n\r\nfor example:\r\n\r\n153 = 1^3 + 5^3 + 3^3\r\n\r\nreturn true\r\n\r\n101 ~= 1^3 + 0 ^3 + 1^3\r\n\r\nreturn false","description_html":"\u003cp\u003e\u003ca href = \"http://en.wikipedia.org/wiki/Narcissistic_number\"\u003eNarcissistic number\u003c/a\u003e is a number that is the sum of its own digits each raised to the power of the number of digits.\u003c/p\u003e\u003cp\u003efor example:\u003c/p\u003e\u003cp\u003e153 = 1^3 + 5^3 + 3^3\u003c/p\u003e\u003cp\u003ereturn true\u003c/p\u003e\u003cp\u003e101 ~= 1^3 + 0 ^3 + 1^3\u003c/p\u003e\u003cp\u003ereturn false\u003c/p\u003e","function_template":"function y = your_fcn_name(x)\r\n  y = x;\r\nend","test_suite":"%%\r\nx = 123;\r\ny_correct = false;\r\nassert(isequal(your_fcn_name(x),y_correct))\r\n%%\r\nx = 153;\r\ny_correct = true;\r\nassert(isequal(your_fcn_name(x),y_correct))\r\n%%\r\nx = 881;\r\ny_correct = false;\r\nassert(isequal(your_fcn_name(x),y_correct))\r\n%%\r\nx = 407;\r\ny_correct = true;\r\nassert(isequal(your_fcn_name(x),y_correct))\r\n","published":true,"deleted":false,"likes_count":2,"comments_count":0,"created_by":3668,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":219,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":44,"created_at":"2012-10-25T01:23:33.000Z","updated_at":"2026-05-05T05:13:58.000Z","published_at":"2012-10-25T01:23:33.000Z","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:hyperlink w:docLocation=\\\"http://en.wikipedia.org/wiki/Narcissistic_number\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eNarcissistic number\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003cw:r\u003e\u003cw:t\u003e is a number that is the sum of its own digits each raised to the power of the number of digits.\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\u003efor example:\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\u003e153 = 1^3 + 5^3 + 3^3\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\u003ereturn true\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\u003e101 ~= 1^3 + 0 ^3 + 1^3\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\u003ereturn false\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\\\" ?\u003e\u003cembeddedOutputs\u003e\u003cmetaData\u003e\u003cevaluationState\u003emanual\u003c/evaluationState\u003e\u003clayoutState\u003ecode\u003c/layoutState\u003e\u003coutputStatus\u003eready\u003c/outputStatus\u003e\u003c/metaData\u003e\u003coutputArray type=\\\"array\\\"/\u003e\u003cregionArray type=\\\"array\\\"/\u003e\u003c/embeddedOutputs\u003e\"}]}"}],"problem_search":{"problems":[{"id":1008,"title":"Determine if input is a Narcissistic number","description":"\u003chttp://en.wikipedia.org/wiki/Narcissistic_number Narcissistic number\u003e is a number that is the sum of its own digits each raised to the power of the number of digits.\r\n\r\nfor example:\r\n\r\n153 = 1^3 + 5^3 + 3^3\r\n\r\nreturn true\r\n\r\n101 ~= 1^3 + 0 ^3 + 1^3\r\n\r\nreturn false","description_html":"\u003cp\u003e\u003ca href = \"http://en.wikipedia.org/wiki/Narcissistic_number\"\u003eNarcissistic number\u003c/a\u003e is a number that is the sum of its own digits each raised to the power of the number of digits.\u003c/p\u003e\u003cp\u003efor example:\u003c/p\u003e\u003cp\u003e153 = 1^3 + 5^3 + 3^3\u003c/p\u003e\u003cp\u003ereturn true\u003c/p\u003e\u003cp\u003e101 ~= 1^3 + 0 ^3 + 1^3\u003c/p\u003e\u003cp\u003ereturn false\u003c/p\u003e","function_template":"function y = your_fcn_name(x)\r\n  y = x;\r\nend","test_suite":"%%\r\nx = 123;\r\ny_correct = false;\r\nassert(isequal(your_fcn_name(x),y_correct))\r\n%%\r\nx = 153;\r\ny_correct = true;\r\nassert(isequal(your_fcn_name(x),y_correct))\r\n%%\r\nx = 881;\r\ny_correct = false;\r\nassert(isequal(your_fcn_name(x),y_correct))\r\n%%\r\nx = 407;\r\ny_correct = true;\r\nassert(isequal(your_fcn_name(x),y_correct))\r\n","published":true,"deleted":false,"likes_count":2,"comments_count":0,"created_by":3668,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":219,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":44,"created_at":"2012-10-25T01:23:33.000Z","updated_at":"2026-05-05T05:13:58.000Z","published_at":"2012-10-25T01:23:33.000Z","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:hyperlink w:docLocation=\\\"http://en.wikipedia.org/wiki/Narcissistic_number\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eNarcissistic number\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003cw:r\u003e\u003cw:t\u003e is a number that is the sum of its own digits each raised to the power of the number of digits.\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\u003efor example:\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\u003e153 = 1^3 + 5^3 + 3^3\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\u003ereturn true\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\u003e101 ~= 1^3 + 0 ^3 + 1^3\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\u003ereturn false\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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