{"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":530,"title":"convert?","description":"* Given a string containing a number followed by pounds or kgs, for example:\r\n* 'Billy lost 22 pounds in four weeks.'\r\n* 'Maria gained 10 kgs in 18 months.'\r\n* If the unit was pounds, that amount should be converted to nearest rounded kgs:\r\n* 'Billy lost 10 kgs in four weeks.'\r\n* If the unit was kgs, that amount should be converted to nearest rounded pounds:\r\n* 'Maria gained 22 pounds in 18 months.'","description_html":"\u003cul\u003e\u003cli\u003eGiven a string containing a number followed by pounds or kgs, for example:\u003c/li\u003e\u003cli\u003e'Billy lost 22 pounds in four weeks.'\u003c/li\u003e\u003cli\u003e'Maria gained 10 kgs in 18 months.'\u003c/li\u003e\u003cli\u003eIf the unit was pounds, that amount should be converted to nearest rounded kgs:\u003c/li\u003e\u003cli\u003e'Billy lost 10 kgs in four weeks.'\u003c/li\u003e\u003cli\u003eIf the unit was kgs, that amount should be converted to nearest rounded pounds:\u003c/li\u003e\u003cli\u003e'Maria gained 22 pounds in 18 months.'\u003c/li\u003e\u003c/ul\u003e","function_template":"function  converted = convert(this)\r\n  converted = 'Billy lost 10 kgs in four weeks.';\r\nend","test_suite":"%%\r\nassert(isequal(convert('Billy lost 22 pounds in four weeks.'),'Billy lost 10 kgs in four weeks.'))\r\n%%\r\nassert(isequal(convert('Maria gained 10 kgs in four months.'),'Maria gained 22 pounds in four months.'))\r\n%%\r\nassert(isequal(convert('Billy lost 44 pounds in 44 weeks.'),'Billy lost 20 kgs in 44 weeks.'))\r\n%%\r\nassert(isequal(convert('Maria gained 20 kgs in 20 months.'),'Maria gained 44 pounds in 20 months.'))\r\n","published":true,"deleted":false,"likes_count":2,"comments_count":1,"created_by":166,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":45,"test_suite_updated_at":"2012-03-26T07:11:46.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2012-03-26T07:07:32.000Z","updated_at":"2026-05-25T23:39:19.000Z","published_at":"2012-03-26T07:07:32.000Z","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=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eGiven a string containing a number followed by pounds or kgs, for example:\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e'Billy lost 22 pounds in four weeks.'\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e'Maria gained 10 kgs in 18 months.'\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eIf the unit was pounds, that amount should be converted to nearest rounded kgs:\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e'Billy lost 10 kgs in four weeks.'\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eIf the unit was kgs, that amount should be converted to nearest rounded pounds:\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e'Maria gained 22 pounds in 18 months.'\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":530,"title":"convert?","description":"* Given a string containing a number followed by pounds or kgs, for example:\r\n* 'Billy lost 22 pounds in four weeks.'\r\n* 'Maria gained 10 kgs in 18 months.'\r\n* If the unit was pounds, that amount should be converted to nearest rounded kgs:\r\n* 'Billy lost 10 kgs in four weeks.'\r\n* If the unit was kgs, that amount should be converted to nearest rounded pounds:\r\n* 'Maria gained 22 pounds in 18 months.'","description_html":"\u003cul\u003e\u003cli\u003eGiven a string containing a number followed by pounds or kgs, for example:\u003c/li\u003e\u003cli\u003e'Billy lost 22 pounds in four weeks.'\u003c/li\u003e\u003cli\u003e'Maria gained 10 kgs in 18 months.'\u003c/li\u003e\u003cli\u003eIf the unit was pounds, that amount should be converted to nearest rounded kgs:\u003c/li\u003e\u003cli\u003e'Billy lost 10 kgs in four weeks.'\u003c/li\u003e\u003cli\u003eIf the unit was kgs, that amount should be converted to nearest rounded pounds:\u003c/li\u003e\u003cli\u003e'Maria gained 22 pounds in 18 months.'\u003c/li\u003e\u003c/ul\u003e","function_template":"function  converted = convert(this)\r\n  converted = 'Billy lost 10 kgs in four weeks.';\r\nend","test_suite":"%%\r\nassert(isequal(convert('Billy lost 22 pounds in four weeks.'),'Billy lost 10 kgs in four weeks.'))\r\n%%\r\nassert(isequal(convert('Maria gained 10 kgs in four months.'),'Maria gained 22 pounds in four months.'))\r\n%%\r\nassert(isequal(convert('Billy lost 44 pounds in 44 weeks.'),'Billy lost 20 kgs in 44 weeks.'))\r\n%%\r\nassert(isequal(convert('Maria gained 20 kgs in 20 months.'),'Maria gained 44 pounds in 20 months.'))\r\n","published":true,"deleted":false,"likes_count":2,"comments_count":1,"created_by":166,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":45,"test_suite_updated_at":"2012-03-26T07:11:46.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2012-03-26T07:07:32.000Z","updated_at":"2026-05-25T23:39:19.000Z","published_at":"2012-03-26T07:07:32.000Z","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=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eGiven a string containing a number followed by pounds or kgs, for example:\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e'Billy lost 22 pounds in four weeks.'\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e'Maria gained 10 kgs in 18 months.'\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eIf the unit was pounds, that amount should be converted to nearest rounded kgs:\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e'Billy lost 10 kgs in four weeks.'\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eIf the unit was kgs, that amount should be converted to nearest rounded pounds:\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"ListParagraph\\\"/\u003e\u003cw:numPr\u003e\u003cw:numId w:val=\\\"1\\\"/\u003e\u003c/w:numPr\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e'Maria gained 22 pounds in 18 months.'\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 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