Problem 52055. Matrix Indexing

Created by Anirban Pal

Solve Later

{"parts":[{"partUri":"/matlab/document.xml","contentType":"application/vnd.mathworks.matlab.code.document+xml","content":"<?xml version=\"1.0\" encoding=\"UTF-8\"?><w:document xmlns:w=\"http://schemas.openxmlformats.org/wordprocessingml/2006/main\"><w:body><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>Given a matrix </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>A</w:t></w:r><w:r><w:t> and scalars </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>r</w:t></w:r><w:r><w:t>,</w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>c</w:t></w:r><w:r><w:t>,</w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>i</w:t></w:r><w:r><w:t>, find the product of two elements, with the first element located at row </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>r</w:t></w:r><w:r><w:t> and column </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>c </w:t></w:r><w:r><w:rPr/><w:t>(double indexing scheme) and the second element located at </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>i</w:t></w:r><w:r><w:rPr/><w:t> (single indexing scheme).</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:rPr/><w:t>For example, let </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>A</w:t></w:r><w:r><w:t> = [ </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/></w:customXmlPr><w:r><w:t>\\;\\; 17\\;\\; 24\\;\\;\\;\\;1\\;\\;\\;\\;8\\;\\; 15\\\\\n\\;\\; 23\\;\\;\\;\\;5\\;\\;\\;\\;7\\;\\; 14\\;\\; 16\\\\\n\\;\\;\\;\\;4\\;\\;\\;\\;6\\;\\; 13\\;\\; 20\\;\\; 22\\\\\n\\;\\; 10\\;\\; 12\\;\\; 19\\;\\; 21\\;\\;\\;\\;3\\\\\n\\;\\; 11\\;\\; 18\\;\\; 25\\;\\;\\;\\;2\\;\\;\\;\\;9</w:t></w:r></w:customXml><w:r><w:t> ] and </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>r</w:t></w:r><w:r><w:t> = 2, </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>c</w:t></w:r><w:r><w:t> = 3, </w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>i</w:t></w:r><w:r><w:t> = 8. Then the first element is 7 and the second element is 6, making their product 42.</w:t></w:r></w:p></w:body></w:document>","relationship":null}],"relationships":[{"relationshipType":"http://schemas.mathworks.com/matlab/code/2013/relationships/document","target":"/matlab/document.xml","relationshipId":"rId1"}]}

<div 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; "><div style="block-size: 174px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 87px; transform-origin: 407px 87px; vertical-align: baseline; "><div style="block-size: 42px; 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 21px; text-align: left; transform-origin: 384px 21px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span 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: 47px 8px; transform-origin: 47px 8px; unicode-bidi: normal; ">Given a matrix <span 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: 4.5px 8px; transform-origin: 4.5px 8px; unicode-bidi: normal; ">A<span 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: 40.5px 8px; transform-origin: 40.5px 8px; unicode-bidi: normal; "> and scalars <span 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: 3px 8px; transform-origin: 3px 8px; unicode-bidi: normal; ">r<span 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: 2px 8px; transform-origin: 2px 8px; unicode-bidi: normal; ">,<span 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: 4px 8px; transform-origin: 4px 8px; unicode-bidi: normal; ">c<span 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: 2px 8px; transform-origin: 2px 8px; unicode-bidi: normal; ">,<span 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: 2px 8px; transform-origin: 2px 8px; unicode-bidi: normal; ">i<span 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: 221px 8px; transform-origin: 221px 8px; unicode-bidi: normal; ">, find the product of two elements, with the first element located at row <span 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: 3px 8px; transform-origin: 3px 8px; unicode-bidi: normal; ">r<span 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: 40.5px 8px; transform-origin: 40.5px 8px; unicode-bidi: normal; "> and column <span 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: 6px 8px; transform-origin: 6px 8px; unicode-bidi: normal; ">c <span 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: 194px 8px; transform-origin: 194px 8px; unicode-bidi: normal; ">(double indexing scheme) and the second element located at <span 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: 2px 8px; transform-origin: 2px 8px; unicode-bidi: normal; ">i<span 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: 82px 8px; transform-origin: 82px 8px; unicode-bidi: normal; "> (single indexing scheme).</div><div style="block-size: 123px; 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 61.5px; text-align: left; transform-origin: 384px 61.5px; white-space: pre-wrap; margin-left: 4px; margin-top: 2px; margin-bottom: 9px; margin-right: 10px; "><span 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: 52.5px 8px; transform-origin: 52.5px 8px; unicode-bidi: normal; ">For example, let <span 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: 4.5px 8px; transform-origin: 4.5px 8px; unicode-bidi: normal; ">A<span 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: 12px 8px; transform-origin: 12px 8px; unicode-bidi: normal; "> = [ <img src="data:image/png;base64,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" style="width: 119px; height: 102px;" width="119" height="102"><span 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: 22px 8px; transform-origin: 22px 8px; unicode-bidi: normal; "> ] and <span 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: 3px 8px; transform-origin: 3px 8px; unicode-bidi: normal; ">r<span 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: 16px 8px; transform-origin: 16px 8px; unicode-bidi: normal; "> = 2, <span 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: 4px 8px; transform-origin: 4px 8px; unicode-bidi: normal; ">c<span 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: 16px 8px; transform-origin: 16px 8px; unicode-bidi: normal; "> = 3, <span 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: 2px 8px; transform-origin: 2px 8px; unicode-bidi: normal; ">i<span 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: 192.5px 8px; transform-origin: 192.5px 8px; unicode-bidi: normal; "> = 8. Then the first element is 7 and the second element is 6, making their product 42.</div></div></div>

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Problem 52055. Matrix Indexing

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