{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2026-04-06T14:01:22.000Z","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":"2026-04-06T00:00:00.000Z","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":44671,"title":"find number of times of occurrence of the most frequent number in a row vector","description":"In a given row vector, find the number of times a mode of a row vector has occurred\r\n\r\nexample: in [2 5 5 5 5 3], output is 4\r\n\r\n","description_html":"\u003cp\u003eIn a given row vector, find the number of times a mode of 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2;\r\nassert(isequal(num_mode(x),y_correct))","published":true,"deleted":false,"likes_count":2,"comments_count":0,"created_by":171559,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":66,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2018-05-31T15:30:12.000Z","updated_at":"2026-02-18T10:08:10.000Z","published_at":"2018-05-31T15:30:12.000Z","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\",\"relationshipId\":\"rId1\",\"target\":\"/matlab/document.xml\"},{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/output\",\"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\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:t\u003eIn a given row vector, find the number of times a mode of a row vector has occurred\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eexample: in [2 5 5 5 5 3], output is 4\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\"}]}"},{"id":1772,"title":"Stock Data NETFLIX 2011","description":"Analyze a set of data for Netflix's stock for 2011\r\n\r\nminNetflix =  Find the minimum value that the stock reached over the year. \r\n\r\nmaxNetflix =  Find the maximum value that the stock reached over the year.\r\n\r\nmeanNetflix =  What is the arithmetic mean of the stock price?\r\n\r\nstdNetflix = What is the standard deviation?\r\n\r\nplotNetflix = The plot of closing price vs day (1 to the number of closing prices you have)","description_html":"\u003cp\u003eAnalyze a set of data for Netflix's stock for 2011\u003c/p\u003e\u003cp\u003eminNetflix =  Find the minimum value that the stock reached over the year.\u003c/p\u003e\u003cp\u003emaxNetflix =  Find the maximum value that the stock reached over the year.\u003c/p\u003e\u003cp\u003emeanNetflix =  What is the arithmetic mean of the stock price?\u003c/p\u003e\u003cp\u003estdNetflix = What is the standard deviation?\u003c/p\u003e\u003cp\u003eplotNetflix = The plot of closing price vs day (1 to the number of closing prices you have)\u003c/p\u003e","function_template":"function [minNetflix maxNetflix stdNetflix meanNetflix plotNetflix histNetflix]= stockAnalysis\r\n      % First minimum value\r\n    minNetflix = \r\n\r\n    % Maximum\r\n    maxNetflix = \r\n\r\n    %Standard Deviation\r\n    stdNetflix = \r\n\r\n    % Arithmetic Mean\r\n    meanNetflix = \r\n\r\n    % Plot\r\n    plotNetflix = (plot command)\r\nend","test_suite":"[minNetflix maxNetflix stdNetflix meanNetflix plotNetflix]= stockAnalysis;\r\nurlwrite('http://nodejstesting.s3.amazonaws.com/stockAnalysisProtected.p', 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version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\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:t\u003eAnalyze a set of data for Netflix's stock for 2011\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eminNetflix = Find the minimum value that the stock reached over the year.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003emaxNetflix = Find the maximum value that the stock reached over the year.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle 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7;\r\nassert(isequal(num_mode(x),y_correct))\r\n\r\n%%\r\nx =[8 8];\r\ny_correct = 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?\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\"}]}"},{"id":1772,"title":"Stock Data NETFLIX 2011","description":"Analyze a set of data for Netflix's stock for 2011\r\n\r\nminNetflix =  Find the minimum value that the stock reached over the year. \r\n\r\nmaxNetflix =  Find the maximum value that the stock reached over the year.\r\n\r\nmeanNetflix =  What is the arithmetic mean of the stock price?\r\n\r\nstdNetflix = What is the standard deviation?\r\n\r\nplotNetflix = The plot of closing price vs day (1 to the number of closing prices you have)","description_html":"\u003cp\u003eAnalyze a set of data for Netflix's stock for 2011\u003c/p\u003e\u003cp\u003eminNetflix =  Find the minimum value that the stock reached over the year.\u003c/p\u003e\u003cp\u003emaxNetflix =  Find the maximum value that the stock reached over the year.\u003c/p\u003e\u003cp\u003emeanNetflix =  What is the arithmetic mean of the stock price?\u003c/p\u003e\u003cp\u003estdNetflix = What is the standard deviation?\u003c/p\u003e\u003cp\u003eplotNetflix = The plot of closing price vs day (1 to the number of closing prices you have)\u003c/p\u003e","function_template":"function [minNetflix maxNetflix stdNetflix meanNetflix plotNetflix histNetflix]= stockAnalysis\r\n      % First minimum value\r\n    minNetflix = \r\n\r\n    % Maximum\r\n    maxNetflix = \r\n\r\n    %Standard Deviation\r\n    stdNetflix = \r\n\r\n    % Arithmetic Mean\r\n    meanNetflix = \r\n\r\n    % Plot\r\n    plotNetflix = (plot command)\r\nend","test_suite":"[minNetflix maxNetflix stdNetflix meanNetflix plotNetflix]= stockAnalysis;\r\nurlwrite('http://nodejstesting.s3.amazonaws.com/stockAnalysisProtected.p', 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version=\\\"1.0\\\" encoding=\\\"UTF-8\\\"?\u003e\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:t\u003eAnalyze a set of data for Netflix's stock for 2011\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eminNetflix = Find the minimum value that the stock reached over the year.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"text\\\"/\u003e\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003emaxNetflix = Find the maximum value that the stock reached over the year.\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle 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