{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2026-06-05T00:10:21.000Z","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":"2026-06-05T00:00:00.000Z","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":43477,"title":"DC-DC boost converter","description":"Find the output voltage of a DC-DC boost converter given input voltage and the duty cycle ratio","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: 21px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 10.5px; transform-origin: 407px 10.5px; vertical-align: baseline; \"\u003e\u003cdiv style=\"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: 300px 8px; transform-origin: 300px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eFind the output voltage of a DC-DC boost converter given input voltage and the duty cycle ratio\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function y = your_fcn_name(vi,alpha)\r\n  y = ;\r\nend","test_suite":"%%\r\nvi=12;alpha=0.6;\r\ny_correct =30;\r\nassert(isequal(your_fcn_name(vi,alpha),y_correct))\r\n%%\r\nvi=1.5;alpha=0.7;\r\ny_correct = 5;\r\nassert(abs(your_fcn_name(vi,alpha)-y_correct)\u003c1e-3)\r\n%%\r\nvi=10;alpha=0.5;\r\ny_correct =20;\r\nassert(isequal(your_fcn_name(vi,alpha),y_correct))\r\n%%\r\nvi=3.9;alpha=1-hypot(0.2,0.3)^2;\r\ny_correct =30;\r\nassert(isequal(your_fcn_name(vi,alpha),y_correct))\r\n%%\r\nvi=0.36;alpha=0.82;\r\ny_correct =2;\r\nassert(abs(your_fcn_name(vi,alpha)-y_correct)\u003c1e-3)\r\n%%\r\nvi=49;alpha=0.17*3;\r\ny_correct =100;\r\nassert(isequal(your_fcn_name(vi,alpha),y_correct))","published":true,"deleted":false,"likes_count":7,"comments_count":3,"created_by":87885,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":74,"test_suite_updated_at":"2021-06-13T09:45:44.000Z","rescore_all_solutions":true,"group_id":1,"created_at":"2016-10-11T19:18:21.000Z","updated_at":"2026-05-29T02:16:25.000Z","published_at":"2016-10-11T19:18:21.000Z","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\u003eFind the output voltage of a DC-DC boost converter given input voltage and the duty cycle ratio\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":{"problems":[{"id":43477,"title":"DC-DC boost converter","description":"Find the output voltage of a DC-DC boost converter given input voltage and the duty cycle ratio","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: 21px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 10.5px; transform-origin: 407px 10.5px; vertical-align: baseline; \"\u003e\u003cdiv style=\"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: 300px 8px; transform-origin: 300px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eFind the output voltage of a DC-DC boost converter given input voltage and the duty cycle ratio\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function y = your_fcn_name(vi,alpha)\r\n  y = ;\r\nend","test_suite":"%%\r\nvi=12;alpha=0.6;\r\ny_correct =30;\r\nassert(isequal(your_fcn_name(vi,alpha),y_correct))\r\n%%\r\nvi=1.5;alpha=0.7;\r\ny_correct = 5;\r\nassert(abs(your_fcn_name(vi,alpha)-y_correct)\u003c1e-3)\r\n%%\r\nvi=10;alpha=0.5;\r\ny_correct =20;\r\nassert(isequal(your_fcn_name(vi,alpha),y_correct))\r\n%%\r\nvi=3.9;alpha=1-hypot(0.2,0.3)^2;\r\ny_correct =30;\r\nassert(isequal(your_fcn_name(vi,alpha),y_correct))\r\n%%\r\nvi=0.36;alpha=0.82;\r\ny_correct =2;\r\nassert(abs(your_fcn_name(vi,alpha)-y_correct)\u003c1e-3)\r\n%%\r\nvi=49;alpha=0.17*3;\r\ny_correct =100;\r\nassert(isequal(your_fcn_name(vi,alpha),y_correct))","published":true,"deleted":false,"likes_count":7,"comments_count":3,"created_by":87885,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":74,"test_suite_updated_at":"2021-06-13T09:45:44.000Z","rescore_all_solutions":true,"group_id":1,"created_at":"2016-10-11T19:18:21.000Z","updated_at":"2026-05-29T02:16:25.000Z","published_at":"2016-10-11T19:18:21.000Z","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\u003eFind the output voltage of a DC-DC boost converter given input voltage and the duty cycle ratio\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\"}]}"}],"errors":[],"facets":[[],[{"value":"easy","count":1,"selected":false}]],"term":"tag:\"power electronics\"","page":1,"per_page":50,"sort":"map(difficulty_value,0,0,999) asc"}}