{"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":732,"title":"Justify the character string in center with proportional fonts","description":"how to justify a string of character into center with proportional fonts?\r\n\r\nExample: x='justify string  '\r\n\r\noutput is ' justify string '","description_html":"\u003cp\u003ehow to justify a string of character into center with proportional fonts?\u003c/p\u003e\u003cp\u003eExample: x='justify string  '\u003c/p\u003e\u003cp\u003eoutput is ' justify string '\u003c/p\u003e","function_template":"function y = just_center(x)\r\n  y = x;\r\nend","test_suite":"%%\r\nx ='justify string  ';\r\ny_correct = ' justify string ';\r\nassert(isequal(just_center(x),y_correct))\r\n\r\n%%\r\nx='  justify  string       ';\r\ny_correct = '    justify  string     ';\r\nassert(isequal(just_center(x),y_correct))","published":true,"deleted":false,"likes_count":1,"comments_count":0,"created_by":3567,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":66,"test_suite_updated_at":"2012-06-01T13:54:30.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2012-06-01T13:52:58.000Z","updated_at":"2026-04-20T13:06:14.000Z","published_at":"2012-06-01T13:53:01.000Z","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\u003ehow to justify a string of character into center with proportional fonts?\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: x='justify string '\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\u003eoutput is ' justify string '\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":495,"title":"Formatting currency numbers","description":"Given a number, format it properly for textual display using the notation  $xxx,xxx,xxx.xx. Assume that no more than two digits will follow the decimal point (i.e. you don't have to worry about rounding). Indicate negative numbers with parentheses.\r\n\r\nExamples:\r\n\r\n Input  amt = 34.2\r\n Output str is '$34.20'\r\n\r\n Input  amt = 91337585\r\n Output str is '$91,337,585.00'\r\n\r\n Input  amt = -63234922.46\r\n Output str is '($63,234,922.46)'\r\n\r\n Input  amt = 2784.9\r\n Output str is '$2,784.90'\r\n\r\nNote: Answer this problem in Cody and you'll be helping the person on Answers who asked \u003chttp://www.mathworks.com/matlabcentral/answers/32171-function-to-format-number-as-currency Function to format number as currency?\u003e","description_html":"\u003cp\u003eGiven a number, format it properly for textual display using the notation  $xxx,xxx,xxx.xx. Assume that no more than two digits will follow the decimal point (i.e. you don't have to worry about rounding). Indicate negative numbers with parentheses.\u003c/p\u003e\u003cp\u003eExamples:\u003c/p\u003e\u003cpre\u003e Input  amt = 34.2\r\n Output str is '$34.20'\u003c/pre\u003e\u003cpre\u003e Input  amt = 91337585\r\n Output str is '$91,337,585.00'\u003c/pre\u003e\u003cpre\u003e Input  amt = -63234922.46\r\n Output str is '($63,234,922.46)'\u003c/pre\u003e\u003cpre\u003e Input  amt = 2784.9\r\n Output str is '$2,784.90'\u003c/pre\u003e\u003cp\u003eNote: Answer this problem in Cody and you'll be helping the person on Answers who asked \u003ca href=\"http://www.mathworks.com/matlabcentral/answers/32171-function-to-format-number-as-currency\"\u003eFunction to format number as currency?\u003c/a\u003e\u003c/p\u003e","function_template":"function str = disp_currency(amt)\r\n  str = '';\r\nend","test_suite":"%%\r\namt = 34.2;\r\nstr = '$34.20';\r\nassert(isequal(disp_currency(amt),str))\r\n\r\n%%\r\namt = 91337585;\r\nstr = '$91,337,585.00';\r\nassert(isequal(disp_currency(amt),str))\r\n\r\n%%\r\namt = -63234922.46;\r\nstr = '($63,234,922.46)';\r\nassert(isequal(disp_currency(amt),str))\r\n\r\n%%\r\namt = 2784.9;\r\nstr = '$2,784.90';\r\nassert(isequal(disp_currency(amt),str))\r\n","published":true,"deleted":false,"likes_count":0,"comments_count":0,"created_by":7,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":204,"test_suite_updated_at":"2012-03-13T20:29:31.000Z","rescore_all_solutions":false,"group_id":14,"created_at":"2012-03-13T20:29:31.000Z","updated_at":"2026-04-21T10:00:20.000Z","published_at":"2012-03-13T20:42:27.000Z","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:t\u003eGiven a number, format it properly for textual display using the notation $xxx,xxx,xxx.xx. Assume that no more than two digits will follow the decimal point (i.e. you don't have to worry about rounding). Indicate negative numbers with parentheses.\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\u003eExamples:\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003cw:p\u003e\u003cw:pPr\u003e\u003cw:pStyle w:val=\\\"code\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003e\u003c![CDATA[ Input  amt = 34.2\\n Output str is '$34.20'\\n\\n Input  amt = 91337585\\n Output str is '$91,337,585.00'\\n\\n Input  amt = -63234922.46\\n Output str is '($63,234,922.46)'\\n\\n Input  amt = 2784.9\\n Output str is '$2,784.90']]\u003e\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\u003eNote: Answer this problem in Cody and you'll be helping the person on Answers who asked\u003c/w:t\u003e\u003c/w:r\u003e\u003cw:r\u003e\u003cw:t\u003e \u003c/w:t\u003e\u003c/w:r\u003e\u003cw:hyperlink w:docLocation=\\\"http://www.mathworks.com/matlabcentral/answers/32171-function-to-format-number-as-currency\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eFunction to format number as currency?\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\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":732,"title":"Justify the character string in center with proportional fonts","description":"how to justify a string of character into center with proportional fonts?\r\n\r\nExample: x='justify string  '\r\n\r\noutput is ' justify string '","description_html":"\u003cp\u003ehow to justify a string of character into center with proportional fonts?\u003c/p\u003e\u003cp\u003eExample: x='justify string  '\u003c/p\u003e\u003cp\u003eoutput is ' justify string '\u003c/p\u003e","function_template":"function y = just_center(x)\r\n  y = x;\r\nend","test_suite":"%%\r\nx ='justify string  ';\r\ny_correct = ' justify string ';\r\nassert(isequal(just_center(x),y_correct))\r\n\r\n%%\r\nx='  justify  string       ';\r\ny_correct = '    justify  string     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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\u003ehow to justify a string of character into center with proportional fonts?\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: x='justify string '\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\u003eoutput is ' justify string '\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":495,"title":"Formatting currency numbers","description":"Given a number, format it properly for textual display using the notation  $xxx,xxx,xxx.xx. Assume that no more than two digits will follow the decimal point (i.e. you don't have to worry about rounding). Indicate negative numbers with parentheses.\r\n\r\nExamples:\r\n\r\n Input  amt = 34.2\r\n Output str is '$34.20'\r\n\r\n Input  amt = 91337585\r\n Output str is '$91,337,585.00'\r\n\r\n Input  amt = -63234922.46\r\n Output str is '($63,234,922.46)'\r\n\r\n Input  amt = 2784.9\r\n Output str is '$2,784.90'\r\n\r\nNote: Answer this problem in Cody and you'll be helping the person on Answers who asked \u003chttp://www.mathworks.com/matlabcentral/answers/32171-function-to-format-number-as-currency Function to format number as currency?\u003e","description_html":"\u003cp\u003eGiven a number, format it properly for textual display using the notation  $xxx,xxx,xxx.xx. Assume that no more than two digits will follow the decimal point (i.e. you don't have to worry about rounding). 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