{"group":{"id":1,"name":"Community","lockable":false,"created_at":"2012-01-18T18:02:15.000Z","updated_at":"2026-06-25T00:23:38.000Z","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":"2026-06-25T00:00:00.000Z","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":45209,"title":"An Ohm's Law Calculator","description":"*BACKGROUND / MOTIVATION:*\r\n\r\nMany important observations in math and science can be described by short, but powerful, equations:\r\n \r\n * The Pythagorean Theorem (c^2 = a^2 + b^2)\r\n * Newton's Second Law of Motion (F = ma)\r\n * Einstein's Mass-Energy Equivalence (E = mc^2)\r\n\r\nFor electrical circuits, one of the most useful and important equations is:\r\n\r\n * Ohm's Law (V = IR)\r\n\r\nOhm's Law describes the relationship between voltage (V), current (I), and resistance (R) in electrical circuits.\r\n\r\nFor more information, check out: \u003chttps://www.build-electronic-circuits.com/ohms-law/\u003e\r\n\r\n*PROBLEM DESCRIPTION:*\r\n\r\nGiven the current (I) through a resistor with resistance (R), create a function that will return the voltage (V) across the resistor.\r\n","description_html":"\u003cp\u003e\u003cb\u003eBACKGROUND / MOTIVATION:\u003c/b\u003e\u003c/p\u003e\u003cp\u003eMany important observations in math and science can be described by short, but powerful, equations:\u003c/p\u003e\u003cpre\u003e * The Pythagorean Theorem (c^2 = a^2 + b^2)\r\n * Newton's Second Law of Motion (F = ma)\r\n * Einstein's Mass-Energy Equivalence (E = mc^2)\u003c/pre\u003e\u003cp\u003eFor electrical circuits, one of the most useful and important equations is:\u003c/p\u003e\u003cpre\u003e * Ohm's Law (V = IR)\u003c/pre\u003e\u003cp\u003eOhm's Law describes the relationship between voltage (V), current (I), and resistance (R) in electrical circuits.\u003c/p\u003e\u003cp\u003eFor more information, check out: \u003ca href = \"https://www.build-electronic-circuits.com/ohms-law/\"\u003ehttps://www.build-electronic-circuits.com/ohms-law/\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003ePROBLEM DESCRIPTION:\u003c/b\u003e\u003c/p\u003e\u003cp\u003eGiven the current (I) through a resistor with resistance (R), create a function that will return the voltage (V) across the resistor.\u003c/p\u003e","function_template":"function V = OhmsLaw(I,R)\r\n  V = 0; % modify this equation to use Ohm's Law\r\nend","test_suite":"%%\r\nI = 0.09; %90mA current\r\nR = 100; %100 Ohm resistor\r\nV_correct = 9; %9V voltage\r\nassert(isequal(OhmsLaw(I,R),V_correct))\r\n\r\n%%\r\nI = 0.012; %12mA current\r\nR = 1000; %1kOhm resistor\r\nV_correct = 12; %12V voltage\r\nassert(isequal(OhmsLaw(I,R),V_correct))","published":true,"deleted":false,"likes_count":12,"comments_count":1,"created_by":377536,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":1957,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2019-11-20T14:14:50.000Z","updated_at":"2026-07-01T14:50:57.000Z","published_at":"2019-11-21T02:54:28.000Z","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:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eBACKGROUND / MOTIVATION:\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\u003eMany important observations in math and science can be described by short, but powerful, equations:\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[ * The Pythagorean Theorem (c^2 = a^2 + b^2)\\n * Newton's Second Law of Motion (F = ma)\\n * Einstein's Mass-Energy Equivalence (E = mc^2)]]\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\u003eFor electrical circuits, one of the most useful and important equations is:\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[ * Ohm's Law (V = IR)]]\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\u003eOhm's Law describes the relationship between voltage (V), current (I), and resistance (R) in electrical circuits.\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\u003eFor more information, check out:\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=\\\"https://www.build-electronic-circuits.com/ohms-law/\\\"\u003e\u003cw:r\u003e\u003cw:t\u003e\u0026lt;https://www.build-electronic-circuits.com/ohms-law/\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003cw:r\u003e\u003cw:t\u003e\u0026gt;\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:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003ePROBLEM DESCRIPTION:\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\u003eGiven the current (I) through a resistor with resistance (R), create a function that will return the voltage (V) across the resistor.\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":1450,"title":"Calculate compression ratio of engine","description":"Calculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)","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: 376px 8px; transform-origin: 376px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eCalculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function y = your_fcn_name(Vc,s,d)\r\n  y = Vc+s+d;\r\nend","test_suite":"%%\r\nd=4;\r\ns=6;\r\nVc=6.8544;\r\ny_correct = 12;\r\nassert(isequal(your_fcn_name(Vc,s,d),y_correct))\r\n%%\r\nd=4;\r\ns=6;\r\nVc=6.2832;\r\ny_correct = 13;\r\nassert(isequal(your_fcn_name(Vc,s,d),y_correct))\r\n%%\r\nd=2;\r\ns=1/pi;\r\nVc=1;\r\ny_correct = 2;\r\nassert(isequal(your_fcn_name(Vc,s,d),y_correct))","published":true,"deleted":false,"likes_count":8,"comments_count":5,"created_by":10792,"edited_by":223089,"edited_at":"2023-03-12T06:05:51.000Z","deleted_by":null,"deleted_at":null,"solvers_count":224,"test_suite_updated_at":"2023-03-12T06:05:51.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2013-04-23T13:06:31.000Z","updated_at":"2026-06-18T11:58:40.000Z","published_at":"2013-04-23T13:06:31.000Z","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\u003eCalculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)\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\"}]}"},{"id":1453,"title":"Calculate Engine Power","description":"Calculate Engine Power (P) in kW given the values of Torque(M) in Nm and Engine Speed(n) in rpm","description_html":"\u003cdiv style = \"text-align: start; line-height: 20.44px; 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: none solid 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: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eCalculate Engine Power (P) in W given the values of Torque(M) in Nm and Engine Speed(n) in rps\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function P = your_fcn_name(M,n)\r\n  P = M+n;\r\nend","test_suite":"%%\r\nM= 10;\r\nn=1500;\r\nP = 94247.77;\r\nassert(abs(your_fcn_name(M,n)-P)\u003c1e-2)\r\n%%\r\nM= 1/pi;\r\nn= log10(1e10);\r\nP = 20;\r\nassert(abs(your_fcn_name(M,n)-P)\u003c1e-2)\r\n%%\r\nM= exp(1);\r\nn= 1e5;\r\nP = 1707946.8445;\r\nassert(abs(your_fcn_name(M,n)-P)\u003c1e-2)","published":true,"deleted":false,"likes_count":9,"comments_count":5,"created_by":10792,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":313,"test_suite_updated_at":"2021-02-21T07:32:07.000Z","rescore_all_solutions":true,"group_id":1,"created_at":"2013-04-24T09:28:49.000Z","updated_at":"2026-06-30T04:08:01.000Z","published_at":"2013-04-24T09:28:49.000Z","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\u003eCalculate Engine Power (P) in W given the values of Torque(M) in Nm and Engine Speed(n) in rps\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":45209,"title":"An Ohm's Law Calculator","description":"*BACKGROUND / MOTIVATION:*\r\n\r\nMany important observations in math and science can be described by short, but powerful, equations:\r\n \r\n * The Pythagorean Theorem (c^2 = a^2 + b^2)\r\n * Newton's Second Law of Motion (F = ma)\r\n * Einstein's Mass-Energy Equivalence (E = mc^2)\r\n\r\nFor electrical circuits, one of the most useful and important equations is:\r\n\r\n * Ohm's Law (V = IR)\r\n\r\nOhm's Law describes the relationship between voltage (V), current (I), and resistance (R) in electrical circuits.\r\n\r\nFor more information, check out: \u003chttps://www.build-electronic-circuits.com/ohms-law/\u003e\r\n\r\n*PROBLEM DESCRIPTION:*\r\n\r\nGiven the current (I) through a resistor with resistance (R), create a function that will return the voltage (V) across the resistor.\r\n","description_html":"\u003cp\u003e\u003cb\u003eBACKGROUND / MOTIVATION:\u003c/b\u003e\u003c/p\u003e\u003cp\u003eMany important observations in math and science can be described by short, but powerful, equations:\u003c/p\u003e\u003cpre\u003e * The Pythagorean Theorem (c^2 = a^2 + b^2)\r\n * Newton's Second Law of Motion (F = ma)\r\n * Einstein's Mass-Energy Equivalence (E = mc^2)\u003c/pre\u003e\u003cp\u003eFor electrical circuits, one of the most useful and important equations is:\u003c/p\u003e\u003cpre\u003e * Ohm's Law (V = IR)\u003c/pre\u003e\u003cp\u003eOhm's Law describes the relationship between voltage (V), current (I), and resistance (R) in electrical circuits.\u003c/p\u003e\u003cp\u003eFor more information, check out: \u003ca href = \"https://www.build-electronic-circuits.com/ohms-law/\"\u003ehttps://www.build-electronic-circuits.com/ohms-law/\u003c/a\u003e\u003c/p\u003e\u003cp\u003e\u003cb\u003ePROBLEM DESCRIPTION:\u003c/b\u003e\u003c/p\u003e\u003cp\u003eGiven the current (I) through a resistor with resistance (R), create a function that will return the voltage (V) across the resistor.\u003c/p\u003e","function_template":"function V = OhmsLaw(I,R)\r\n  V = 0; % modify this equation to use Ohm's Law\r\nend","test_suite":"%%\r\nI = 0.09; %90mA current\r\nR = 100; %100 Ohm resistor\r\nV_correct = 9; %9V voltage\r\nassert(isequal(OhmsLaw(I,R),V_correct))\r\n\r\n%%\r\nI = 0.012; %12mA current\r\nR = 1000; %1kOhm resistor\r\nV_correct = 12; %12V voltage\r\nassert(isequal(OhmsLaw(I,R),V_correct))","published":true,"deleted":false,"likes_count":12,"comments_count":1,"created_by":377536,"edited_by":null,"edited_at":null,"deleted_by":null,"deleted_at":null,"solvers_count":1957,"test_suite_updated_at":null,"rescore_all_solutions":false,"group_id":1,"created_at":"2019-11-20T14:14:50.000Z","updated_at":"2026-07-01T14:50:57.000Z","published_at":"2019-11-21T02:54:28.000Z","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:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003eBACKGROUND / MOTIVATION:\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\u003eMany important observations in math and science can be described by short, but powerful, equations:\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[ * The Pythagorean Theorem (c^2 = a^2 + b^2)\\n * Newton's Second Law of Motion (F = ma)\\n * Einstein's Mass-Energy Equivalence (E = mc^2)]]\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\u003eFor electrical circuits, one of the most useful and important equations is:\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[ * Ohm's Law (V = IR)]]\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\u003eOhm's Law describes the relationship between voltage (V), current (I), and resistance (R) in electrical circuits.\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\u003eFor more information, check out:\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=\\\"https://www.build-electronic-circuits.com/ohms-law/\\\"\u003e\u003cw:r\u003e\u003cw:t\u003e\u0026lt;https://www.build-electronic-circuits.com/ohms-law/\u003c/w:t\u003e\u003c/w:r\u003e\u003c/w:hyperlink\u003e\u003cw:r\u003e\u003cw:t\u003e\u0026gt;\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:rPr\u003e\u003cw:b/\u003e\u003c/w:rPr\u003e\u003cw:t\u003ePROBLEM DESCRIPTION:\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\u003eGiven the current (I) through a resistor with resistance (R), create a function that will return the voltage (V) across the resistor.\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":1450,"title":"Calculate compression ratio of engine","description":"Calculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)","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: 376px 8px; transform-origin: 376px 8px; unicode-bidi: normal; \"\u003e\u003cspan style=\"\"\u003eCalculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)\u003c/span\u003e\u003c/span\u003e\u003c/div\u003e\u003c/div\u003e\u003c/div\u003e","function_template":"function y = your_fcn_name(Vc,s,d)\r\n  y = Vc+s+d;\r\nend","test_suite":"%%\r\nd=4;\r\ns=6;\r\nVc=6.8544;\r\ny_correct = 12;\r\nassert(isequal(your_fcn_name(Vc,s,d),y_correct))\r\n%%\r\nd=4;\r\ns=6;\r\nVc=6.2832;\r\ny_correct = 13;\r\nassert(isequal(your_fcn_name(Vc,s,d),y_correct))\r\n%%\r\nd=2;\r\ns=1/pi;\r\nVc=1;\r\ny_correct = 2;\r\nassert(isequal(your_fcn_name(Vc,s,d),y_correct))","published":true,"deleted":false,"likes_count":8,"comments_count":5,"created_by":10792,"edited_by":223089,"edited_at":"2023-03-12T06:05:51.000Z","deleted_by":null,"deleted_at":null,"solvers_count":224,"test_suite_updated_at":"2023-03-12T06:05:51.000Z","rescore_all_solutions":false,"group_id":1,"created_at":"2013-04-23T13:06:31.000Z","updated_at":"2026-06-18T11:58:40.000Z","published_at":"2013-04-23T13:06:31.000Z","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\u003eCalculate compression ratio of engine given compression volume of cylinder(Vc), piston stroke(s) and valve diameter(d)\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\"}]}"},{"id":1453,"title":"Calculate Engine Power","description":"Calculate Engine Power (P) in kW given the values of Torque(M) in Nm and Engine Speed(n) in rpm","description_html":"\u003cdiv style = \"text-align: start; line-height: 20.44px; 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: none solid 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: 0px 0px; transform-origin: 0px 0px; \"\u003e\u003cspan style=\"\"\u003eCalculate Engine Power (P) in W given the values of Torque(M) 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