{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2025-12-14T01:33:56.000Z","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":"2025-12-14T00:00:00.000Z","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":2091,"title":"return row and column indices given 2 values which define a range","description":"Inspired by problem http://www.mathworks.co.kr/matlabcentral/cody/problems/856-getting-the-indices-from-a-matrice Inputs: - matrix A, lower limit, upper limit Ouputs: - indices of matrix elements which are bigger than or equal to lower limit and smaller than upper limit\r\nA little complication: let your function be able to deal with a random order of the input arguments.\r\nIf all input arguments have the same size, assume that the first argument is the \"matrix\" with value(s).\r\nDon't use \"find\" and don't use \"regexp\".","description_html":"\u003cdiv style = \"text-align: start; line-height: 20.4333px; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: 400; text-decoration: rgb(0, 0, 0); white-space: normal; \"\u003e\u003cdiv style=\"block-size: 153px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 76.5px; transform-origin: 407px 76.5px; vertical-align: baseline; \"\u003e\u003cdiv style=\"block-size: 63px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 31.5px; text-align: left; transform-origin: 384px 31.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 62px 8px; transform-origin: 62px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eInspired by problem\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 2px 8px; transform-origin: 2px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003e \u003c/span\u003e\u003c/span\u003e\u003ca target='_blank' href = \"/#null\"\u003e\u003cspan style=\"\"\u003e\u003cspan style=\"\"\u003ehttp://www.mathworks.co.kr/matlabcentral/cody/problems/856-getting-the-indices-from-a-matrice\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 2px 8px; transform-origin: 2px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003e Inputs: - matrix A, lower limit, upper limit Ouputs: - indices of matrix elements which are bigger than or equal to lower limit and smaller than upper limit\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003cdiv style=\"block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 303.5px 8px; transform-origin: 303.5px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eA little complication: let your function be able to deal with a random order of the input arguments.\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003cdiv style=\"block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 316px 8px; transform-origin: 316px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eIf all input arguments have the same size, assume that the first argument is the \"matrix\" with value(s).\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003cdiv style=\"block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 124px 8px; transform-origin: 124px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eDon't use \"find\" and don't use \"regexp\".\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function [rowidx,colidx] = RCMatrixIndices(x1,x2,x3)\r\n  A=1;\r\nuplim=1;\r\nlowlim=1;\r\nend","test_suite":"%%\r\nx1=magic(5);\r\nx2=3;\r\nx3=9;\r\n[R1,C1]=RCMatrixIndices(x1,x2,x3);\r\n[fr1,fc1]=find(and(x1\u003e=x2,x1\u003cx3));\r\nassert(and(isequal(R1,fr1),isequal(C1,fc1)))\r\n%%\r\nfiletext = fileread('RCMatrixIndices.m');\r\nassert(isempty(strfind(filetext, 'find'))\u0026isempty(strfind(filetext, 'regexp'))...\r\n    \u0026isempty(strfind(filetext, 'str2num')))\r\n%%\r\nx1=magic(5);\r\nx2=3;\r\nx3=9;\r\n[R2,C2]=RCMatrixIndices(x2,x1, x3);\r\n[fr1,fc1]=find(and(x1\u003e=x2,x1\u003cx3));\r\nassert(and(isequal(R2,fr1),isequal(C2,fc1)))\r\n%%\r\nx1=magic(5);\r\nx2=3;\r\nx3=9;\r\n[R3,C3]=RCMatrixIndices(x1,x3,x2);\r\n[fr1,fc1]=find(and(x1\u003e=x2,x1\u003cx3));\r\nassert(and(isequal(R3,fr1),isequal(C3,fc1)))\r\n%%\r\nA=...\r\n[3 3 3 3;...\r\n 8 3 3 3;...\r\n 8 8 3 3;...\r\n 8 8 8 3];\r\nlowlim=3;\r\nuplim=9;\r\n[R4,C4]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(length(A(4*(C4-1)+R4))==16)\r\n%%\r\nA=...\r\n[3 3 3 3;...\r\n 8 3 3 3;...\r\n 8 8 3 3;...\r\n 8 8 8 3];\r\nlowlim=4;\r\nuplim=9;\r\n%extract only 8\r\n[R5,C5]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(all(A(4*(C5-1)+R5)==8))\r\n%%\r\nA=...\r\n[3 3 3 3;...\r\n 8 3 3 3;...\r\n 8 8 3 3;...\r\n 8 8 8 3];\r\nlowlim=4;\r\nuplim=7;\r\n[R6,C6]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(and(isempty(R6),isempty(C6)))\r\n%%\r\nA=...\r\n[3 3 3 3;...\r\n 8 3 3 3;...\r\n 8 8 3 3;...\r\n 8 8 8 3];\r\nlowlim=2;\r\nuplim=7;\r\n[R7,C7]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(and(all(A(4*(C7-1)+R7)==3),length(R7==10)))\r\n%%\r\nA=1;\r\nlowlim=1;\r\nuplim=1;\r\n[R8,C8]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(and(isempty(R8),isempty(C8)))\r\n%%\r\nA=1;\r\nlowlim=1;\r\nuplim=2;\r\n[R9,C9]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(and(R9==1,C9==1))","published":true,"deleted":false,"likes_count":3,"comments_count":7,"created_by":20079,"edited_by":223089,"edited_at":"2022-11-21T11:00:01.000Z","deleted_by":null,"deleted_at":null,"solvers_count":78,"test_suite_updated_at":"2022-11-21T11:00:01.000Z","rescore_all_solutions":false,"group_id":21,"created_at":"2014-01-07T08:32:32.000Z","updated_at":"2026-03-09T19:07:20.000Z","published_at":"2014-01-07T12:29:47.000Z","restored_at":null,"restored_by":null,"spam":null,"simulink":false,"admin_reviewed":false,"description_opc":"{\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"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\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eInspired by problem\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=\\\"\\\"\u003e\u003cw:r\u003e\u003cw:t\u003ehttp://www.mathworks.co.kr/matlabcentral/cody/problems/856-getting-the-indices-from-a-matrice\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003cw:r\u003e\u003cw:t\u003e Inputs: - matrix A, lower limit, upper limit Ouputs: - indices of matrix elements which are bigger than or equal to lower limit and smaller than upper limit\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\u003eA little complication: let your function be able to deal with a random order of the input arguments.\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\u003eIf all input arguments have the same size, assume that the first argument is the \\\"matrix\\\" with value(s).\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\u003eDon't use \\\"find\\\" and don't use \\\"regexp\\\".\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:p\u003e\u003c/w:body\u003e\u003c/w:document\u003e\",\"relationship\":null}],\"relationships\":[{\"relationshipType\":\"http://schemas.mathworks.com/matlab/code/2013/relationships/document\",\"target\":\"/matlab/document.xml\",\"relationshipId\":\"rId1\"}]}"}],"problem_search":{"errors":[],"problems":[{"id":2091,"title":"return row and column indices given 2 values which define a range","description":"Inspired by problem http://www.mathworks.co.kr/matlabcentral/cody/problems/856-getting-the-indices-from-a-matrice Inputs: - matrix A, lower limit, upper limit Ouputs: - indices of matrix elements which are bigger than or equal to lower limit and smaller than upper limit\r\nA little complication: let your function be able to deal with a random order of the input arguments.\r\nIf all input arguments have the same size, assume that the first argument is the \"matrix\" with value(s).\r\nDon't use \"find\" and don't use \"regexp\".","description_html":"\u003cdiv style = \"text-align: start; line-height: 20.4333px; min-height: 0px; white-space: normal; color: rgb(0, 0, 0); font-family: Menlo, Monaco, Consolas, monospace; font-style: normal; font-size: 14px; font-weight: 400; text-decoration: rgb(0, 0, 0); white-space: normal; \"\u003e\u003cdiv style=\"block-size: 153px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 76.5px; transform-origin: 407px 76.5px; vertical-align: baseline; \"\u003e\u003cdiv style=\"block-size: 63px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 31.5px; text-align: left; transform-origin: 384px 31.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 62px 8px; transform-origin: 62px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eInspired by problem\u003c/span\u003e\u003c/span\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 2px 8px; transform-origin: 2px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003e \u003c/span\u003e\u003c/span\u003e\u003ca target='_blank' href = \"/#null\"\u003e\u003cspan style=\"\"\u003e\u003cspan style=\"\"\u003ehttp://www.mathworks.co.kr/matlabcentral/cody/problems/856-getting-the-indices-from-a-matrice\u003c/span\u003e\u003c/span\u003e\u003c/a\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 2px 8px; transform-origin: 2px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003e Inputs: - matrix A, lower limit, upper limit Ouputs: - indices of matrix elements which are bigger than or equal to lower limit and smaller than upper limit\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003cdiv style=\"block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 303.5px 8px; transform-origin: 303.5px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eA little complication: let your function be able to deal with a random order of the input arguments.\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003cdiv style=\"block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 316px 8px; transform-origin: 316px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eIf all input arguments have the same size, assume that the first argument is the \"matrix\" with value(s).\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003cdiv style=\"block-size: 21px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 2px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 2px; perspective-origin: 384px 10.5px; text-align: left; transform-origin: 384px 10.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; \"\u003e\u003cspan style=\"block-size: auto; display: inline; margin-block-end: 0px; margin-block-start: 0px; margin-bottom: 0px; margin-inline-end: 0px; margin-inline-start: 0px; margin-left: 0px; margin-right: 0px; margin-top: 0px; perspective-origin: 124px 8px; transform-origin: 124px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eDon't use \"find\" and don't use \"regexp\".\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function [rowidx,colidx] = RCMatrixIndices(x1,x2,x3)\r\n  A=1;\r\nuplim=1;\r\nlowlim=1;\r\nend","test_suite":"%%\r\nx1=magic(5);\r\nx2=3;\r\nx3=9;\r\n[R1,C1]=RCMatrixIndices(x1,x2,x3);\r\n[fr1,fc1]=find(and(x1\u003e=x2,x1\u003cx3));\r\nassert(and(isequal(R1,fr1),isequal(C1,fc1)))\r\n%%\r\nfiletext = fileread('RCMatrixIndices.m');\r\nassert(isempty(strfind(filetext, 'find'))\u0026isempty(strfind(filetext, 'regexp'))...\r\n    \u0026isempty(strfind(filetext, 'str2num')))\r\n%%\r\nx1=magic(5);\r\nx2=3;\r\nx3=9;\r\n[R2,C2]=RCMatrixIndices(x2,x1, x3);\r\n[fr1,fc1]=find(and(x1\u003e=x2,x1\u003cx3));\r\nassert(and(isequal(R2,fr1),isequal(C2,fc1)))\r\n%%\r\nx1=magic(5);\r\nx2=3;\r\nx3=9;\r\n[R3,C3]=RCMatrixIndices(x1,x3,x2);\r\n[fr1,fc1]=find(and(x1\u003e=x2,x1\u003cx3));\r\nassert(and(isequal(R3,fr1),isequal(C3,fc1)))\r\n%%\r\nA=...\r\n[3 3 3 3;...\r\n 8 3 3 3;...\r\n 8 8 3 3;...\r\n 8 8 8 3];\r\nlowlim=3;\r\nuplim=9;\r\n[R4,C4]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(length(A(4*(C4-1)+R4))==16)\r\n%%\r\nA=...\r\n[3 3 3 3;...\r\n 8 3 3 3;...\r\n 8 8 3 3;...\r\n 8 8 8 3];\r\nlowlim=4;\r\nuplim=9;\r\n%extract only 8\r\n[R5,C5]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(all(A(4*(C5-1)+R5)==8))\r\n%%\r\nA=...\r\n[3 3 3 3;...\r\n 8 3 3 3;...\r\n 8 8 3 3;...\r\n 8 8 8 3];\r\nlowlim=4;\r\nuplim=7;\r\n[R6,C6]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(and(isempty(R6),isempty(C6)))\r\n%%\r\nA=...\r\n[3 3 3 3;...\r\n 8 3 3 3;...\r\n 8 8 3 3;...\r\n 8 8 8 3];\r\nlowlim=2;\r\nuplim=7;\r\n[R7,C7]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(and(all(A(4*(C7-1)+R7)==3),length(R7==10)))\r\n%%\r\nA=1;\r\nlowlim=1;\r\nuplim=1;\r\n[R8,C8]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(and(isempty(R8),isempty(C8)))\r\n%%\r\nA=1;\r\nlowlim=1;\r\nuplim=2;\r\n[R9,C9]=RCMatrixIndices(A,uplim,lowlim);\r\nassert(and(R9==1,C9==1))","published":true,"deleted":false,"likes_count":3,"comments_count":7,"created_by":20079,"edited_by":223089,"edited_at":"2022-11-21T11:00:01.000Z","deleted_by":null,"deleted_at":null,"solvers_count":78,"test_suite_updated_at":"2022-11-21T11:00:01.000Z","rescore_all_solutions":false,"group_id":21,"created_at":"2014-01-07T08:32:32.000Z","updated_at":"2026-03-09T19:07:20.000Z","published_at":"2014-01-07T12:29:47.000Z","restored_at":null,"restored_by":null,"spam":null,"simulink":false,"admin_reviewed":false,"description_opc":"{\"parts\":[{\"partUri\":\"/matlab/document.xml\",\"contentType\":\"application/vnd.mathworks.matlab.code.document+xml\",\"content\":\"\u003c?xml 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w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eA little complication: let your function be able to deal with a random order of the input arguments.\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\u003eIf all input arguments have the same size, assume that the first argument is the \\\"matrix\\\" with value(s).\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\u003eDon't use \\\"find\\\" and don't use 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