{"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":833,"title":"Find third Side of a right triangle given hypotenuse and a side. No  * - or other functions allowed","description":"Find the remaining side of a triangle given the hypotenuse and a side.\r\nHowever, the normal functions and symbols are not allowed.\r\n\r\nUnallowed functions and symbols: mtimes cross prod cumprod times mldivide mrdivide dot * / \\ - ^ '\r\n\r\nDerivative of Aurelien's \u003chttp://www.mathworks.com/matlabcentral/cody/problems/813-multiply-2-numbers Cody 813 Multiply 2 numbers\u003e\r\n\r\nTest suite disallowed function usage check courtesy of Aurelien Queffurust.\r\n\r\n\r\nExample : h= 5; x= 3;\r\n\r\noutput = 4 since y=(h^2-x^2)^0.5","description_html":"\u003cp\u003eFind the remaining side of a triangle given the hypotenuse and a side.\r\nHowever, the normal functions and symbols are not allowed.\u003c/p\u003e\u003cp\u003eUnallowed functions and symbols: mtimes cross prod cumprod times mldivide mrdivide dot * / \\ - ^ '\u003c/p\u003e\u003cp\u003eDerivative of Aurelien's \u003ca href=\"http://www.mathworks.com/matlabcentral/cody/problems/813-multiply-2-numbers\"\u003eCody 813 Multiply 2 numbers\u003c/a\u003e\u003c/p\u003e\u003cp\u003eTest suite disallowed function usage check courtesy of Aurelien Queffurust.\u003c/p\u003e\u003cp\u003eExample : h= 5; x= 3;\u003c/p\u003e\u003cp\u003eoutput = 4 since y=(h^2-x^2)^0.5\u003c/p\u003e","function_template":"function y = triangle_side(h,x)\r\n  y = sqrt(h^2-x^2); % Neither ^ nor - are permitted\r\nend","test_suite":"%%\r\n% Courtesy of Aurelien Queffurust\r\nfiletext = fileread('triangle_side.m');\r\nassert(isempty(strfind(filetext, '*')),'sign * forbidden')\r\nassert(isempty(strfind(filetext, 'mtimes')),'mtimes forbidden')\r\nassert(isempty(strfind(filetext, 'cross')),'cross forbidden')\r\nassert(isempty(strfind(filetext, 'prod')),'prod forbidden')\r\nassert(isempty(strfind(filetext, 'cumprod')))\r\nassert(isempty(strfind(filetext, 'times')))\r\nassert(isempty(strfind(filetext, 'mldivide')))\r\nassert(isempty(strfind(filetext, 'mrdivide')))\r\nassert(isempty(strfind(filetext, '/')),'/ forbidden')\r\nassert(isempty(strfind(filetext, '\\')))\r\nassert(isempty(strfind(filetext, '-')))\r\nassert(isempty(strfind(filetext, '^')),'^ forbidden')\r\nassert(isempty(strfind(filetext, 'dot')))\r\nassert(isempty(strfind(filetext, '''')),'string forbidden')\r\nassert(isempty(strfind(filetext, 'num2str')))\r\nassert(isempty(strfind(filetext, 'int2str')))\r\nassert(isempty(strfind(filetext, 'dec2bin')))\r\n%%\r\nh=16;\r\nx=5+rand % No cheats allowed\r\ny_correct=round(1e6*sqrt(h^2-x^2))/1e6\r\nassert(isequal(round(1e6*triangle_side(h,x))/1e6,y_correct))\r\n%%\r\nh=5;\r\nx=3;\r\ny_correct=round(1e6*sqrt(h^2-x^2))/1e6\r\nassert(isequal(round(1e6*triangle_side(h,x))/1e6,y_correct))\r\n\r\n","published":true,"deleted":false,"likes_count":5,"comments_count":5,"created_by":3097,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":253,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":17,"created_at":"2012-07-15T04:59:54.000Z","updated_at":"2026-04-01T10:20:05.000Z","published_at":"2012-07-15T05:38:18.000Z","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\u003eFind the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowed.\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\u003eUnallowed functions and symbols: mtimes cross prod cumprod times mldivide mrdivide dot * / \\\\ - ^ '\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\u003eDerivative of Aurelien's\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/cody/problems/813-multiply-2-numbers\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eCody 813 Multiply 2 numbers\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\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\u003eTest suite disallowed function usage check courtesy of Aurelien Queffurust.\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\u003eExample : h= 5; x= 3;\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\u003eoutput = 4 since y=(h^2-x^2)^0.5\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":833,"title":"Find third Side of a right triangle given hypotenuse and a side. No  * - or other functions allowed","description":"Find the remaining side of a triangle given the hypotenuse and a side.\r\nHowever, the normal functions and symbols are not allowed.\r\n\r\nUnallowed functions and symbols: mtimes cross prod cumprod times mldivide mrdivide dot * / \\ - ^ '\r\n\r\nDerivative of Aurelien's \u003chttp://www.mathworks.com/matlabcentral/cody/problems/813-multiply-2-numbers Cody 813 Multiply 2 numbers\u003e\r\n\r\nTest suite disallowed function usage check courtesy of Aurelien Queffurust.\r\n\r\n\r\nExample : h= 5; x= 3;\r\n\r\noutput = 4 since y=(h^2-x^2)^0.5","description_html":"\u003cp\u003eFind the remaining side of a triangle given the hypotenuse and a side.\r\nHowever, the normal functions and symbols are not allowed.\u003c/p\u003e\u003cp\u003eUnallowed functions and symbols: mtimes cross prod cumprod times mldivide mrdivide dot * / \\ - ^ '\u003c/p\u003e\u003cp\u003eDerivative of Aurelien's \u003ca href=\"http://www.mathworks.com/matlabcentral/cody/problems/813-multiply-2-numbers\"\u003eCody 813 Multiply 2 numbers\u003c/a\u003e\u003c/p\u003e\u003cp\u003eTest suite disallowed function usage check courtesy of Aurelien Queffurust.\u003c/p\u003e\u003cp\u003eExample : h= 5; x= 3;\u003c/p\u003e\u003cp\u003eoutput = 4 since y=(h^2-x^2)^0.5\u003c/p\u003e","function_template":"function y = triangle_side(h,x)\r\n  y = sqrt(h^2-x^2); % Neither ^ nor - are permitted\r\nend","test_suite":"%%\r\n% Courtesy of Aurelien Queffurust\r\nfiletext = fileread('triangle_side.m');\r\nassert(isempty(strfind(filetext, '*')),'sign * forbidden')\r\nassert(isempty(strfind(filetext, 'mtimes')),'mtimes forbidden')\r\nassert(isempty(strfind(filetext, 'cross')),'cross forbidden')\r\nassert(isempty(strfind(filetext, 'prod')),'prod forbidden')\r\nassert(isempty(strfind(filetext, 'cumprod')))\r\nassert(isempty(strfind(filetext, 'times')))\r\nassert(isempty(strfind(filetext, 'mldivide')))\r\nassert(isempty(strfind(filetext, 'mrdivide')))\r\nassert(isempty(strfind(filetext, '/')),'/ forbidden')\r\nassert(isempty(strfind(filetext, '\\')))\r\nassert(isempty(strfind(filetext, '-')))\r\nassert(isempty(strfind(filetext, '^')),'^ forbidden')\r\nassert(isempty(strfind(filetext, 'dot')))\r\nassert(isempty(strfind(filetext, '''')),'string forbidden')\r\nassert(isempty(strfind(filetext, 'num2str')))\r\nassert(isempty(strfind(filetext, 'int2str')))\r\nassert(isempty(strfind(filetext, 'dec2bin')))\r\n%%\r\nh=16;\r\nx=5+rand % No cheats allowed\r\ny_correct=round(1e6*sqrt(h^2-x^2))/1e6\r\nassert(isequal(round(1e6*triangle_side(h,x))/1e6,y_correct))\r\n%%\r\nh=5;\r\nx=3;\r\ny_correct=round(1e6*sqrt(h^2-x^2))/1e6\r\nassert(isequal(round(1e6*triangle_side(h,x))/1e6,y_correct))\r\n\r\n","published":true,"deleted":false,"likes_count":5,"comments_count":5,"created_by":3097,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":253,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":17,"created_at":"2012-07-15T04:59:54.000Z","updated_at":"2026-04-01T10:20:05.000Z","published_at":"2012-07-15T05:38:18.000Z","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\u003eFind the remaining side of a triangle given the hypotenuse and a side. However, the normal functions and symbols are not allowed.\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\u003eUnallowed functions and symbols: mtimes cross prod cumprod times mldivide mrdivide dot * / \\\\ - ^ '\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\u003eDerivative of Aurelien's\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/cody/problems/813-multiply-2-numbers\\\"\u003e\u003cw:r\u003e\u003cw:t\u003eCody 813 Multiply 2 numbers\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\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\u003eTest suite disallowed function usage check courtesy of Aurelien Queffurust.\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\u003eExample : h= 5; x= 3;\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\u003eoutput = 4 since y=(h^2-x^2)^0.5\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":"Computational Geometry I","count":1,"selected":false}],[{"value":"medium","count":1,"selected":false}]],"term":"tag:\"right-angle triangles\"","page":1,"per_page":50,"sort":"map(difficulty_value,0,0,999) asc"}}