{"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":2509,"title":"Wind Chill Computation","description":"On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the \"wind chill,\" indicating the temperature that is felt based on the actual temperature (T, in Fahrenheit) and wind speed (W, in miles per hour):\r\n\r\n  windChill = 35.7 + 0.6T - 35.7W^0.16 + 0.43TW^0.16\r\n\r\nComplete the function to compute wind chill. Note: While math notation uses abutment for multiplication, as in 5y, MATLAB requires use of * when multiplying items, as in 5*y.","description_html":"\u003cp\u003eOn a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the \"wind chill,\" indicating the temperature that is felt based on the actual temperature (T, in Fahrenheit) and wind speed (W, in miles per hour):\u003c/p\u003e\u003cpre class=\"language-matlab\"\u003ewindChill = 35.7 + 0.6T - 35.7W^0.16 + 0.43TW^0.16\r\n\u003c/pre\u003e\u003cp\u003eComplete the function to compute wind chill. Note: While math notation uses abutment for multiplication, as in 5y, MATLAB requires use of * when multiplying items, as in 5*y.\u003c/p\u003e","function_template":"function windChill = ComputeWindChill(T, W)\r\n  windChill = ... ;\r\nend","test_suite":"%%\r\nwc_correct1 = 23.1871;\r\nwc_result1  = ComputeWindChill(32, 10);\r\nassert(abs(wc_result1 - wc_correct1) \u003c 0.0001)\r\n%%\r\nwc_correct2 = -9.0101;\r\nwc_result2  = ComputeWindChill(10, 20);\r\nassert(abs(wc_result2 - wc_correct2) \u003c 0.0001)\r\n%%\r\nwc_correct3 = 17.4215;\r\nwc_result3  = ComputeWindChill(20, 2);\r\nassert(abs(wc_result3 - wc_correct3) \u003c 0.0001)\r\n","published":true,"deleted":false,"likes_count":5,"comments_count":0,"created_by":24594,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":560,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2014-08-14T22:08:29.000Z","updated_at":"2026-02-17T08:49:29.000Z","published_at":"2014-08-14T22:37:06.000Z","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\u003eOn a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the \\\"wind chill,\\\" indicating the temperature that is felt based on the actual temperature (T, in Fahrenheit) and wind speed (W, in miles per hour):\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[windChill = 35.7 + 0.6T - 35.7W^0.16 + 0.43TW^0.16]]\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\u003eComplete the function to compute wind chill. Note: While math notation uses abutment for multiplication, as in 5y, MATLAB requires use of * when multiplying items, as in 5*y.\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":2509,"title":"Wind Chill Computation","description":"On a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the \"wind chill,\" indicating the temperature that is felt based on the actual temperature (T, in Fahrenheit) and wind speed (W, in miles per hour):\r\n\r\n  windChill = 35.7 + 0.6T - 35.7W^0.16 + 0.43TW^0.16\r\n\r\nComplete the function to compute wind chill. Note: While math notation uses abutment for multiplication, as in 5y, MATLAB requires use of * when multiplying items, as in 5*y.","description_html":"\u003cp\u003eOn a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the \"wind chill,\" indicating the temperature that is felt based on the actual temperature (T, in Fahrenheit) and wind speed (W, in miles per hour):\u003c/p\u003e\u003cpre class=\"language-matlab\"\u003ewindChill = 35.7 + 0.6T - 35.7W^0.16 + 0.43TW^0.16\r\n\u003c/pre\u003e\u003cp\u003eComplete the function to compute wind chill. Note: While math notation uses abutment for multiplication, as in 5y, MATLAB requires use of * when multiplying items, as in 5*y.\u003c/p\u003e","function_template":"function windChill = ComputeWindChill(T, W)\r\n  windChill = ... ;\r\nend","test_suite":"%%\r\nwc_correct1 = 23.1871;\r\nwc_result1  = ComputeWindChill(32, 10);\r\nassert(abs(wc_result1 - wc_correct1) \u003c 0.0001)\r\n%%\r\nwc_correct2 = -9.0101;\r\nwc_result2  = ComputeWindChill(10, 20);\r\nassert(abs(wc_result2 - wc_correct2) \u003c 0.0001)\r\n%%\r\nwc_correct3 = 17.4215;\r\nwc_result3  = ComputeWindChill(20, 2);\r\nassert(abs(wc_result3 - wc_correct3) \u003c 0.0001)\r\n","published":true,"deleted":false,"likes_count":5,"comments_count":0,"created_by":24594,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":560,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2014-08-14T22:08:29.000Z","updated_at":"2026-02-17T08:49:29.000Z","published_at":"2014-08-14T22:37:06.000Z","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\u003eOn a windy day, a temperature of 15 degrees may feel colder, perhaps 7 degrees. The formula below calculates the \\\"wind chill,\\\" indicating the temperature that is felt based on the actual temperature (T, in Fahrenheit) and wind speed (W, in miles per hour):\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[windChill = 35.7 + 0.6T - 35.7W^0.16 + 0.43TW^0.16]]\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\u003eComplete the function to compute wind chill. Note: While math notation uses abutment for multiplication, as in 5y, MATLAB requires use of * when multiplying items, as in 5*y.\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:\"windchill\"","page":1,"per_page":50,"sort":"map(difficulty_value,0,0,999) asc"}}