{"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":2074,"title":"average for three points","description":"how to calculate  the average (for each three values of y) \r\n\r\n y=[2 3 5   3 4 2   3 4 5   3 2 7  8 6 5  5 4 3  3 3 2 ]\r\n\r\n you should take each three values and find the average for them\r\n\r\n   x(1  to 3)= (y(1)+y(2)+y(3))/3 =(2+3+5)/3 =10/3 = 3.33333\r\n   x(4  to 6)= (y(4)+y(5)+y(6))/3 =(3+4+2)/3 =9/3  =3\r\n   x(7  to 9)= (y(7)+y(8)+y(9))/3 =(3+4+5)/3 =12/3  =4\r\n                         .\r\n                         .\r\n                         .\r\n   x(19  to 21)= (y(19)+y(20)+y(21))/3 =(3+3+2)/3 =8/3  =2.66\r\n\r\n\r\nso your answer will be\r\n\r\n\r\n\r\nx= [  3.3333\r\n    3.3333\r\n    3.3333\r\n    3.0000\r\n    3.0000\r\n    3.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    6.3333\r\n    6.3333\r\n    6.3333\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    2.6667\r\n    2.6667\r\n    2.6667\r\n]\r\n\r\nnote: you need to transpose x as final answer","description_html":"\u003cp\u003ehow to calculate  the average (for each three values of y)\u003c/p\u003e\u003cpre\u003e y=[2 3 5   3 4 2   3 4 5   3 2 7  8 6 5  5 4 3  3 3 2 ]\u003c/pre\u003e\u003cpre\u003e you should take each three values and find the average for them\u003c/pre\u003e\u003cpre\u003e   x(1  to 3)= (y(1)+y(2)+y(3))/3 =(2+3+5)/3 =10/3 = 3.33333\r\n   x(4  to 6)= (y(4)+y(5)+y(6))/3 =(3+4+2)/3 =9/3  =3\r\n   x(7  to 9)= (y(7)+y(8)+y(9))/3 =(3+4+5)/3 =12/3  =4\r\n                         .\r\n                         .\r\n                         .\r\n   x(19  to 21)= (y(19)+y(20)+y(21))/3 =(3+3+2)/3 =8/3  =2.66\u003c/pre\u003e\u003cp\u003eso your answer will be\u003c/p\u003e\u003cp\u003ex= [  3.3333\r\n    3.3333\r\n    3.3333\r\n    3.0000\r\n    3.0000\r\n    3.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    6.3333\r\n    6.3333\r\n    6.3333\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    2.6667\r\n    2.6667\r\n    2.6667\r\n]\u003c/p\u003e\u003cp\u003enote: you need to transpose x as final answer\u003c/p\u003e","function_template":"function x = moving_average(y)\r\n\r\nx = y;\r\nend","test_suite":"%%\r\ny=[4 4 4   3 3 3   5 5 5   2 9 7  12 6 6  5 1 3  3 3 21 ];\r\nx_correct = [\r\n    \r\n     4\r\n     4\r\n     4\r\n     3\r\n     3\r\n     3\r\n     5\r\n     5\r\n     5\r\n     6\r\n     6\r\n     6\r\n     8\r\n     8\r\n     8\r\n     3\r\n     3\r\n     3\r\n     9\r\n     9\r\n     9\r\n];\r\n    \r\n\r\nassert(isequal(moving_average(y),x_correct))\r\n\r\n%%\r\ny=[4 13 4   3 3 6   5 6 4  ];\r\n\r\n\r\nx_correct = [ 7\r\n     7\r\n     7\r\n     4\r\n     4\r\n     4\r\n     5\r\n     5\r\n     5];\r\n\r\nassert(isequal(moving_average(y),x_correct))\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":3,"created_by":4944,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":80,"test_suite_updated_at":"2013-12-27T14:10:19.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2013-12-27T13:20:05.000Z","updated_at":"2026-03-10T15:11:00.000Z","published_at":"2013-12-27T14:10:19.000Z","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\u003ehow to calculate the average (for each three values of y)\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[ y=[2 3 5   3 4 2   3 4 5   3 2 7  8 6 5  5 4 3  3 3 2 ]\\n\\n you should take each three values and find the average for them\\n\\n   x(1  to 3)= (y(1)+y(2)+y(3))/3 =(2+3+5)/3 =10/3 = 3.33333\\n   x(4  to 6)= (y(4)+y(5)+y(6))/3 =(3+4+2)/3 =9/3  =3\\n   x(7  to 9)= (y(7)+y(8)+y(9))/3 =(3+4+5)/3 =12/3  =4\\n                         .\\n                         .\\n                         .\\n   x(19  to 21)= (y(19)+y(20)+y(21))/3 =(3+3+2)/3 =8/3  =2.66]]\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\u003eso your answer will be\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\u003ex= [ 3.3333 3.3333 3.3333 3.0000 3.0000 3.0000 4.0000 4.0000 4.0000 4.0000 4.0000 4.0000 6.3333 6.3333 6.3333 4.0000 4.0000 4.0000 2.6667 2.6667 2.6667 ]\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: you need to transpose x as final answer\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":953,"title":"Pi Estimate 1","description":"Estimate Pi as described in the following link:\r\n\u003chttp://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf\u003e\r\n","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: 81px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 40.5px; transform-origin: 407px 40.5px; vertical-align: baseline; \"\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: 222.5px 8px; transform-origin: 222.5px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eEstimate Pi as described by the Leibniz formula (see the following link):\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\u003ca target='_blank' href = \"https://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80\"\u003e\u003cspan style=\"\"\u003e\u003cspan style=\"\"\u003ehttps://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80\u003c/span\u003e\u003c/span\u003e\u003c/a\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: 121px 8px; transform-origin: 121px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eRound the result to six decimal places.\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function [estimate] = pi_est1(nMax)\r\nestimate = nMax;\r\nend","test_suite":"%%\r\nnMax = 10;\r\ny_correct = 3.041840000000000;\r\nassert(isequal(pi_est1(nMax),y_correct))\r\n%%\r\nnMax = 1000;\r\ny_correct = 3.140593000000000;\r\nassert(isequal(pi_est1(nMax),y_correct))\r\n%%\r\nnMax = 1e6;\r\ny_correct = 3.141592000000000;\r\nassert(isequal(pi_est1(nMax),y_correct))\r\n","published":true,"deleted":false,"likes_count":20,"comments_count":19,"created_by":2640,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":1792,"test_suite_updated_at":"2020-10-03T14:08:03.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2012-09-20T21:16:13.000Z","updated_at":"2026-04-03T16:16:19.000Z","published_at":"2012-09-20T23:13:59.000Z","restored_at":null,"restored_by":null,"spam":false,"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\u003eEstimate Pi as described by the Leibniz formula (see the following link):\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:hyperlink w:docLocation=\\\"https://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80\\\"\u003e\u003cw:r\u003e\u003cw:t\u003ehttps://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80\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\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eRound the result to six decimal places.\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":2074,"title":"average for three points","description":"how to calculate  the average (for each three values of y) \r\n\r\n y=[2 3 5   3 4 2   3 4 5   3 2 7  8 6 5  5 4 3  3 3 2 ]\r\n\r\n you should take each three values and find the average for them\r\n\r\n   x(1  to 3)= (y(1)+y(2)+y(3))/3 =(2+3+5)/3 =10/3 = 3.33333\r\n   x(4  to 6)= (y(4)+y(5)+y(6))/3 =(3+4+2)/3 =9/3  =3\r\n   x(7  to 9)= (y(7)+y(8)+y(9))/3 =(3+4+5)/3 =12/3  =4\r\n                         .\r\n                         .\r\n                         .\r\n   x(19  to 21)= (y(19)+y(20)+y(21))/3 =(3+3+2)/3 =8/3  =2.66\r\n\r\n\r\nso your answer will be\r\n\r\n\r\n\r\nx= [  3.3333\r\n    3.3333\r\n    3.3333\r\n    3.0000\r\n    3.0000\r\n    3.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    6.3333\r\n    6.3333\r\n    6.3333\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    2.6667\r\n    2.6667\r\n    2.6667\r\n]\r\n\r\nnote: you need to transpose x as final answer","description_html":"\u003cp\u003ehow to calculate  the average (for each three values of y)\u003c/p\u003e\u003cpre\u003e y=[2 3 5   3 4 2   3 4 5   3 2 7  8 6 5  5 4 3  3 3 2 ]\u003c/pre\u003e\u003cpre\u003e you should take each three values and find the average for them\u003c/pre\u003e\u003cpre\u003e   x(1  to 3)= (y(1)+y(2)+y(3))/3 =(2+3+5)/3 =10/3 = 3.33333\r\n   x(4  to 6)= (y(4)+y(5)+y(6))/3 =(3+4+2)/3 =9/3  =3\r\n   x(7  to 9)= (y(7)+y(8)+y(9))/3 =(3+4+5)/3 =12/3  =4\r\n                         .\r\n                         .\r\n                         .\r\n   x(19  to 21)= (y(19)+y(20)+y(21))/3 =(3+3+2)/3 =8/3  =2.66\u003c/pre\u003e\u003cp\u003eso your answer will be\u003c/p\u003e\u003cp\u003ex= [  3.3333\r\n    3.3333\r\n    3.3333\r\n    3.0000\r\n    3.0000\r\n    3.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    6.3333\r\n    6.3333\r\n    6.3333\r\n    4.0000\r\n    4.0000\r\n    4.0000\r\n    2.6667\r\n    2.6667\r\n    2.6667\r\n]\u003c/p\u003e\u003cp\u003enote: you need to transpose x as final answer\u003c/p\u003e","function_template":"function x = moving_average(y)\r\n\r\nx = y;\r\nend","test_suite":"%%\r\ny=[4 4 4   3 3 3   5 5 5   2 9 7  12 6 6  5 1 3  3 3 21 ];\r\nx_correct = [\r\n    \r\n     4\r\n     4\r\n     4\r\n     3\r\n     3\r\n     3\r\n     5\r\n     5\r\n     5\r\n     6\r\n     6\r\n     6\r\n     8\r\n     8\r\n     8\r\n     3\r\n     3\r\n     3\r\n     9\r\n     9\r\n     9\r\n];\r\n    \r\n\r\nassert(isequal(moving_average(y),x_correct))\r\n\r\n%%\r\ny=[4 13 4   3 3 6   5 6 4  ];\r\n\r\n\r\nx_correct = [ 7\r\n     7\r\n     7\r\n     4\r\n     4\r\n     4\r\n     5\r\n     5\r\n     5];\r\n\r\nassert(isequal(moving_average(y),x_correct))\r\n","published":true,"deleted":false,"likes_count":1,"comments_count":3,"created_by":4944,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":80,"test_suite_updated_at":"2013-12-27T14:10:19.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2013-12-27T13:20:05.000Z","updated_at":"2026-03-10T15:11:00.000Z","published_at":"2013-12-27T14:10:19.000Z","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\u003ehow to calculate the average (for each three values of y)\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[ y=[2 3 5   3 4 2   3 4 5   3 2 7  8 6 5  5 4 3  3 3 2 ]\\n\\n you should take each three values and find the average for them\\n\\n   x(1  to 3)= (y(1)+y(2)+y(3))/3 =(2+3+5)/3 =10/3 = 3.33333\\n   x(4  to 6)= (y(4)+y(5)+y(6))/3 =(3+4+2)/3 =9/3  =3\\n   x(7  to 9)= (y(7)+y(8)+y(9))/3 =(3+4+5)/3 =12/3  =4\\n                         .\\n                         .\\n                         .\\n   x(19  to 21)= (y(19)+y(20)+y(21))/3 =(3+3+2)/3 =8/3  =2.66]]\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\u003eso your answer will be\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\u003ex= [ 3.3333 3.3333 3.3333 3.0000 3.0000 3.0000 4.0000 4.0000 4.0000 4.0000 4.0000 4.0000 6.3333 6.3333 6.3333 4.0000 4.0000 4.0000 2.6667 2.6667 2.6667 ]\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: you need to transpose x as final answer\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":953,"title":"Pi Estimate 1","description":"Estimate Pi as described in the following link:\r\n\u003chttp://www.people.virginia.edu/~teh1m/cody/Pi_estimation1.pdf\u003e\r\n","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: 81px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 40.5px; transform-origin: 407px 40.5px; vertical-align: baseline; \"\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: 222.5px 8px; transform-origin: 222.5px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eEstimate Pi as described by the Leibniz formula (see the following link):\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\u003ca target='_blank' href = \"https://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80\"\u003e\u003cspan style=\"\"\u003e\u003cspan style=\"\"\u003ehttps://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80\u003c/span\u003e\u003c/span\u003e\u003c/a\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: 121px 8px; transform-origin: 121px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eRound the result to six decimal places.\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function [estimate] = pi_est1(nMax)\r\nestimate = nMax;\r\nend","test_suite":"%%\r\nnMax = 10;\r\ny_correct = 3.041840000000000;\r\nassert(isequal(pi_est1(nMax),y_correct))\r\n%%\r\nnMax = 1000;\r\ny_correct = 3.140593000000000;\r\nassert(isequal(pi_est1(nMax),y_correct))\r\n%%\r\nnMax = 1e6;\r\ny_correct = 3.141592000000000;\r\nassert(isequal(pi_est1(nMax),y_correct))\r\n","published":true,"deleted":false,"likes_count":20,"comments_count":19,"created_by":2640,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":1792,"test_suite_updated_at":"2020-10-03T14:08:03.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2012-09-20T21:16:13.000Z","updated_at":"2026-04-03T16:16:19.000Z","published_at":"2012-09-20T23:13:59.000Z","restored_at":null,"restored_by":null,"spam":false,"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\u003eEstimate Pi as described by the Leibniz formula (see the following link):\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:hyperlink w:docLocation=\\\"https://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80\\\"\u003e\u003cw:r\u003e\u003cw:t\u003ehttps://en.wikipedia.org/wiki/Leibniz_formula_for_%CF%80\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\u003cw:jc w:val=\\\"left\\\"/\u003e\u003c/w:pPr\u003e\u003cw:r\u003e\u003cw:t\u003eRound the result to six decimal places.\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\"}]}"}],"term":"tag:\"for loop\"","current_player_id":null,"fields":[{"name":"page","type":"integer","callback":null,"default":1,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":null,"prepend":true},{"name":"per_page","type":"integer","callback":null,"default":50,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":null,"prepend":true},{"name":"sort","type":"string","callback":null,"default":null,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":null,"prepend":true},{"name":"body","type":"text","callback":null,"default":"*:*","directive":null,"facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":false},{"name":"group","type":"string","callback":null,"default":null,"directive":"group","facet":true,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"difficulty_rating_bin","type":"string","callback":null,"default":null,"directive":"difficulty_rating_bin","facet":true,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"id","type":"integer","callback":null,"default":null,"directive":"id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"tag","type":"string","callback":null,"default":null,"directive":"tag","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"product","type":"string","callback":null,"default":null,"directive":"product","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"created_at","type":"timeframe","callback":{},"default":null,"directive":"created_at","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"profile_id","type":"integer","callback":null,"default":null,"directive":"author_id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"created_by","type":"string","callback":null,"default":null,"directive":"author","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"player_id","type":"integer","callback":null,"default":null,"directive":"solver_id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"player","type":"string","callback":null,"default":null,"directive":"solver","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"solvers_count","type":"integer","callback":null,"default":null,"directive":"solvers_count","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"comments_count","type":"integer","callback":null,"default":null,"directive":"comments_count","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"likes_count","type":"integer","callback":null,"default":null,"directive":"likes_count","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"leader_id","type":"integer","callback":null,"default":null,"directive":"leader_id","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true},{"name":"leading_solution","type":"integer","callback":null,"default":null,"directive":"leading_solution","facet":null,"facet_method":"and","operator":null,"param":"term","static":null,"prepend":true}],"filters":[{"name":"asset_type","type":"string","callback":null,"default":null,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":null,"static":"\"cody:problem\"","prepend":true},{"name":"profile_id","type":"integer","callback":{},"default":null,"directive":null,"facet":null,"facet_method":"and","operator":null,"param":"author_id","static":null,"prepend":true}],"query":{"params":{"per_page":50,"term":"tag:\"for loop\"","current_player":null,"sort":"map(difficulty_value,0,0,999) asc"},"parser":"MathWorks::Search::Solr::QueryParser","directives":{"term":{"directives":{"tag":[["tag:\"for loop\"","","\"","for loop","\""]]}}},"facets":{"#\u003cMathWorks::Search::Field:0x00007f74b89c8220\u003e":null,"#\u003cMathWorks::Search::Field:0x00007f74b89c8180\u003e":null},"filters":{"#\u003cMathWorks::Search::Field:0x00007f74b89c78c0\u003e":"\"cody:problem\""},"fields":{"#\u003cMathWorks::Search::Field:0x00007f74b89c84a0\u003e":1,"#\u003cMathWorks::Search::Field:0x00007f74b89c8400\u003e":50,"#\u003cMathWorks::Search::Field:0x00007f74b89c8360\u003e":"map(difficulty_value,0,0,999) asc","#\u003cMathWorks::Search::Field:0x00007f74b89c82c0\u003e":"tag:\"for loop\""},"user_query":{"#\u003cMathWorks::Search::Field:0x00007f74b89c82c0\u003e":"tag:\"for loop\""},"queried_facets":{}},"query_backend":{"connection":{"configuration":{"index_url":"http://index-op-v2/solr/","query_url":"http://search-op-v2/solr/","direct_access_index_urls":["http://index-op-v2/solr/"],"direct_access_query_urls":["http://search-op-v2/solr/"],"timeout":10,"vhost":"search","exchange":"search.topic","heartbeat":30,"pre_index_mode":false,"host":"rabbitmq-eks","port":5672,"username":"search","password":"J3bGPZzQ7asjJcCk","virtual_host":"search","indexer":"amqp","http_logging":"true","core":"cody"},"query_connection":{"uri":"http://search-op-v2/solr/cody/","proxy":null,"connection":{"parallel_manager":null,"headers":{"User-Agent":"Faraday v1.0.1"},"params":{},"options":{"params_encoder":"Faraday::FlatParamsEncoder","proxy":null,"bind":null,"timeout":null,"open_timeout":null,"read_timeout":null,"write_timeout":null,"boundary":null,"oauth":null,"context":null,"on_data":null},"ssl":{"verify":true,"ca_file":null,"ca_path":null,"verify_mode":null,"cert_store":null,"client_cert":null,"client_key":null,"certificate":null,"private_key":null,"verify_depth":null,"version":null,"min_version":null,"max_version":null},"default_parallel_manager":null,"builder":{"adapter":{"name":"Faraday::Adapter::NetHttp","args":[],"block":null},"handlers":[{"name":"Faraday::Response::RaiseError","args":[],"block":null}],"app":{"app":{"ssl_cert_store":{"verify_callback":null,"error":null,"error_string":null,"chain":null,"time":null},"app":{},"connection_options":{},"config_block":null}}},"url_prefix":"http://search-op-v2/solr/cody/","manual_proxy":false,"proxy":null},"update_format":"RSolr::JSON::Generator","update_path":"update","options":{"url":"http://search-op-v2/solr/cody"}}},"query":{"params":{"per_page":50,"term":"tag:\"for loop\"","current_player":null,"sort":"map(difficulty_value,0,0,999) asc"},"parser":"MathWorks::Search::Solr::QueryParser","directives":{"term":{"directives":{"tag":[["tag:\"for loop\"","","\"","for loop","\""]]}}},"facets":{"#\u003cMathWorks::Search::Field:0x00007f74b89c8220\u003e":null,"#\u003cMathWorks::Search::Field:0x00007f74b89c8180\u003e":null},"filters":{"#\u003cMathWorks::Search::Field:0x00007f74b89c78c0\u003e":"\"cody:problem\""},"fields":{"#\u003cMathWorks::Search::Field:0x00007f74b89c84a0\u003e":1,"#\u003cMathWorks::Search::Field:0x00007f74b89c8400\u003e":50,"#\u003cMathWorks::Search::Field:0x00007f74b89c8360\u003e":"map(difficulty_value,0,0,999) asc","#\u003cMathWorks::Search::Field:0x00007f74b89c82c0\u003e":"tag:\"for loop\""},"user_query":{"#\u003cMathWorks::Search::Field:0x00007f74b89c82c0\u003e":"tag:\"for loop\""},"queried_facets":{}},"options":{"fields":["id","difficulty_rating"]},"join":" "},"results":[{"id":2074,"difficulty_rating":"easy"},{"id":953,"difficulty_rating":"medium"}]}}