{"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":44232,"title":"Relation between functions \"dec2bin\" \u0026 \"dec2binvec\"","description":"Here it's an easy problem we try to find the relation between the two functions \"dec2bin\" \u0026 \"dec2binvec\", so here you must write a function using \"dec2bin\" to find the result of \"dec2binvec\".\r\n\r\nNb:\r\n\r\nDEC2BINVEC Convert decimal number to a binary vector.\r\n\r\n    DEC2BINVEC(D) returns the binary representation of D as a binary\r\n    vector.  The least significant bit is represented by the first \r\n    column.  D must be a non-negative integer. \r\n \r\n    DEC2BINVEC(D,N) produces a binary representation with at least\r\n    N bits.\r\n \r\n    Example:\r\n       dec2binvec(23) returns [1 1 1 0 1]\r\n","description_html":"\u003cp\u003eHere it's an easy problem we try to find the relation between the two functions \"dec2bin\" \u0026 \"dec2binvec\", so here you must write a function using \"dec2bin\" to find the result of \"dec2binvec\".\u003c/p\u003e\u003cp\u003eNb:\u003c/p\u003e\u003cp\u003eDEC2BINVEC Convert decimal number to a binary vector.\u003c/p\u003e\u003cpre\u003e    DEC2BINVEC(D) returns the binary representation of D as a binary\r\n    vector.  The least significant bit is represented by the first \r\n    column.  D must be a non-negative integer. \u003c/pre\u003e\u003cpre\u003e    DEC2BINVEC(D,N) produces a binary representation with at least\r\n    N bits.\u003c/pre\u003e\u003cpre\u003e    Example:\r\n       dec2binvec(23) returns [1 1 1 0 1]\u003c/pre\u003e","function_template":"function y = dec_2_binvec(x)\r\ny=dec2binvec(x)\r\nend","test_suite":"%% \r\nfiletext = fileread('dec_2_binvec.m'); \r\nassert(isempty(strfind(filetext, 'regexp')),'regexp() and its family are forbidden') \r\nassert(isempty(strfind(filetext, 'dec2binvec')),'dec2binvec() forbidden')\r\nassert(isempty(strfind(filetext, 'num2str')),'num2str() forbidden') \r\nassert(isempty(strfind(filetext, 'regexprep')),'regexprep() forbidden')\r\nassert(isempty(strfind(filetext, 'for')),'for() forbidden') \r\nassert(isempty(strfind(filetext, 'while')),'while() forbidden')\r\nassert(isempty(strfind(filetext, 'if')),'if() forbidden') \r\nassert(isempty(strfind(filetext, 'mrdivide')),'mrdivide() forbidden') \r\nassert(isempty(strfind(filetext, 'mldivide')),'mldivide() forbidden') \r\nassert(isempty(strfind(filetext, '\\')),'\\ forbidden')\r\nassert(isempty(strfind(filetext, '/')),'/ forbidden') \r\nassert(isempty(strfind(filetext, '^')),'^ forbidden') \r\nassert(isempty(strfind(filetext, 'rem')),'rem() forbidden') \r\nassert(isempty(strfind(filetext, 'mod')),'mod() forbidden') \r\nassert(isempty(strfind(filetext, 'java')),'java forbidden')\r\n%%\r\nx = 1;\r\nassert(isequal(dec_2_binvec(x),1))\r\n%%\r\nx = 5;\r\nassert(isequal(dec_2_binvec(x),[1 0 1]))\r\n%%\r\nx = 1000;\r\nassert(isequal(dec_2_binvec(x),[0 0 0 1 0 1 1 1 1 1]))\r\n%%\r\nx = 2700;\r\nassert(isequal(dec_2_binvec(x),[0 0 1 1 0 0 0 1 0 1 0 1]))\r\n%%\r\nx = 8210;\r\nassert(isequal(dec_2_binvec(x),[0 1 0 0 1 0 0 0 0 0 0 0 0 1]))\r\n%%\r\nx = 44580;\r\nassert(isequal(dec_2_binvec(x),[0 0 1 0 0 1 0 0 0 1 1 1 0 1 0 1]))\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":0,"created_by":37163,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":39,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2017-06-05T04:34:12.000Z","updated_at":"2026-02-10T13:36:50.000Z","published_at":"2017-06-05T04:34:12.000Z","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\",\"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\u003eHere it's an easy problem we try to find the relation between the two functions \\\"dec2bin\\\" \u0026amp; \\\"dec2binvec\\\", so here you must write a function using \\\"dec2bin\\\" to find the result of \\\"dec2binvec\\\".\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\u003eNb:\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\u003eDEC2BINVEC Convert decimal number to a binary vector.\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[    DEC2BINVEC(D) returns the binary representation of D as a binary\\n    vector.  The least significant bit is represented by the first \\n    column.  D must be a non-negative integer. \\n\\n    DEC2BINVEC(D,N) produces a binary representation with at least\\n    N bits.\\n\\n    Example:\\n       dec2binvec(23) returns [1 1 1 0 1]]]\u003e\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":44232,"title":"Relation between functions \"dec2bin\" \u0026 \"dec2binvec\"","description":"Here it's an easy problem we try to find the relation between the two functions \"dec2bin\" \u0026 \"dec2binvec\", so here you must write a function using \"dec2bin\" to find the result of \"dec2binvec\".\r\n\r\nNb:\r\n\r\nDEC2BINVEC Convert decimal number to a binary vector.\r\n\r\n    DEC2BINVEC(D) returns the binary representation of D as a binary\r\n    vector.  The least significant bit is represented by the first \r\n    column.  D must be a non-negative integer. \r\n \r\n    DEC2BINVEC(D,N) produces a binary representation with at least\r\n    N bits.\r\n \r\n    Example:\r\n       dec2binvec(23) returns [1 1 1 0 1]\r\n","description_html":"\u003cp\u003eHere it's an easy problem we try to find the relation between the two functions \"dec2bin\" \u0026 \"dec2binvec\", so here you must write a function using \"dec2bin\" to find the result of \"dec2binvec\".\u003c/p\u003e\u003cp\u003eNb:\u003c/p\u003e\u003cp\u003eDEC2BINVEC Convert decimal number to a binary vector.\u003c/p\u003e\u003cpre\u003e    DEC2BINVEC(D) returns the binary representation of D as a binary\r\n    vector.  The least significant bit is represented by the first \r\n    column.  D must be a non-negative integer. \u003c/pre\u003e\u003cpre\u003e    DEC2BINVEC(D,N) produces a binary representation with at least\r\n    N bits.\u003c/pre\u003e\u003cpre\u003e    Example:\r\n       dec2binvec(23) returns [1 1 1 0 1]\u003c/pre\u003e","function_template":"function y = dec_2_binvec(x)\r\ny=dec2binvec(x)\r\nend","test_suite":"%% \r\nfiletext = fileread('dec_2_binvec.m'); \r\nassert(isempty(strfind(filetext, 'regexp')),'regexp() and its family are forbidden') \r\nassert(isempty(strfind(filetext, 'dec2binvec')),'dec2binvec() forbidden')\r\nassert(isempty(strfind(filetext, 'num2str')),'num2str() forbidden') \r\nassert(isempty(strfind(filetext, 'regexprep')),'regexprep() forbidden')\r\nassert(isempty(strfind(filetext, 'for')),'for() forbidden') \r\nassert(isempty(strfind(filetext, 'while')),'while() forbidden')\r\nassert(isempty(strfind(filetext, 'if')),'if() forbidden') \r\nassert(isempty(strfind(filetext, 'mrdivide')),'mrdivide() forbidden') \r\nassert(isempty(strfind(filetext, 'mldivide')),'mldivide() forbidden') \r\nassert(isempty(strfind(filetext, '\\')),'\\ forbidden')\r\nassert(isempty(strfind(filetext, '/')),'/ forbidden') \r\nassert(isempty(strfind(filetext, '^')),'^ forbidden') \r\nassert(isempty(strfind(filetext, 'rem')),'rem() forbidden') \r\nassert(isempty(strfind(filetext, 'mod')),'mod() forbidden') \r\nassert(isempty(strfind(filetext, 'java')),'java forbidden')\r\n%%\r\nx = 1;\r\nassert(isequal(dec_2_binvec(x),1))\r\n%%\r\nx = 5;\r\nassert(isequal(dec_2_binvec(x),[1 0 1]))\r\n%%\r\nx = 1000;\r\nassert(isequal(dec_2_binvec(x),[0 0 0 1 0 1 1 1 1 1]))\r\n%%\r\nx = 2700;\r\nassert(isequal(dec_2_binvec(x),[0 0 1 1 0 0 0 1 0 1 0 1]))\r\n%%\r\nx = 8210;\r\nassert(isequal(dec_2_binvec(x),[0 1 0 0 1 0 0 0 0 0 0 0 0 1]))\r\n%%\r\nx = 44580;\r\nassert(isequal(dec_2_binvec(x),[0 0 1 0 0 1 0 0 0 1 1 1 0 1 0 1]))\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":0,"created_by":37163,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":39,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2017-06-05T04:34:12.000Z","updated_at":"2026-02-10T13:36:50.000Z","published_at":"2017-06-05T04:34:12.000Z","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\",\"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\u003eHere it's an easy problem we try to find the relation between the two functions \\\"dec2bin\\\" \u0026amp; \\\"dec2binvec\\\", so here you must write a function using \\\"dec2bin\\\" to find the result of \\\"dec2binvec\\\".\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\u003eNb:\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\u003eDEC2BINVEC Convert decimal number to a binary vector.\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[    DEC2BINVEC(D) returns the binary representation of D as a binary\\n    vector.  The least significant bit is represented by the first \\n    column.  D must be a non-negative integer. \\n\\n    DEC2BINVEC(D,N) produces a binary representation with at least\\n    N bits.\\n\\n    Example:\\n       dec2binvec(23) returns [1 1 1 0 1]]]\u003e\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\"}]}"}],"errors":[],"facets":[[],[{"value":"easy","count":1,"selected":false}]],"term":"tag:\"dec2binvec\"","page":1,"per_page":50,"sort":"map(difficulty_value,0,0,999) asc"}}