Problem 57685. Easy Sequences 95: LCM Sums

Created by Ramon Villamangca

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:rPr><w:b/></w:rPr><w:t>For a given </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>n</w:t></w:r></w:customXml><w:r><w:rPr><w:b/></w:rPr><w:t>, write the function </w:t></w:r><w:hyperlink w:docLocation=\"https://www.mathworks.com/help/matlab/ref/lcm.html\"><w:r><w:rPr><w:b/><w:u/><w:rFonts w:cs=\"monospace\"/></w:rPr><w:t>lcm</w:t></w:r></w:hyperlink><w:r><w:rPr><w:b/><w:rFonts w:cs=\"monospace\"/></w:rPr><w:t>Sum(n)</w:t></w:r><w:r><w:rPr><w:b/></w:rPr><w:t>, defined as follows:</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:t>                    </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"true\"/></w:customXmlPr><w:r><w:t>\\text{lcmSum}(n) = \\sum_{k=1}^{n}\\text{lcm}(n,k).</w:t></w:r></w:customXml></w:p><w:p><w:pPr><w:pStyle w:val=\"text\"/><w:jc w:val=\"left\"/></w:pPr><w:r><w:t>For example for </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>n=20</w:t></w:r></w:customXml><w:r><w:t>:</w:t></w:r></w:p><w:p><w:pPr><w:pStyle w:val=\"code\"/></w:pPr><w:r><w:t><![CDATA[  >> lcmSum = @(n) sum(lcm(n,1:n));\n  >> lcmSum(20)\n  ans =\n        2320]]></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:t>Since the sum grows very fast, please present your answer as a character string array and please limit the </w:t></w:r><w:hyperlink w:docLocation=\"https://www.mathworks.com/matlabcentral/content/cody/about.html\"><w:r><w:rPr><w:b/><w:u/></w:rPr><w:t>cody program size</w:t></w:r></w:hyperlink><w:r><w:t> of the function to </w:t></w:r><w:r><w:rPr><w:b/><w:u/></w:rPr><w:t>150</w:t></w:r><w:r><w:t>. </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: 20.440001px; 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; white-space: normal; "><div style="block-size: 248px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 124px; transform-origin: 407px 124px; vertical-align: baseline; "><div 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; "><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: 0px 0px; transform-origin: 0px 0px; "><span style="font-weight: 700; ">For a given </span></span><span style="font-family: STIXGeneral, STIXGeneral-webfont, serif; font-style: italic; font-weight: 400; color: rgb(0, 0, 0);">n</span><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: 0px 0px; transform-origin: 0px 0px; "><span style="font-weight: 700; ">, write the function </span></span><a target='_blank' href = "https://www.mathworks.com/help/matlab/ref/lcm.html"><span style=""><span style="font-family: Menlo, Monaco, Consolas, &quot;Courier New&quot;, monospace; font-weight: 700; text-decoration-line: underline; ">lcm</span></span></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: 0px 0px; transform-origin: 0px 0px; "><span style="font-family: Menlo, Monaco, Consolas, &quot;Courier New&quot;, monospace; font-weight: 700; ">Sum(n)</span></span><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: 0px 0px; transform-origin: 0px 0px; "><span style="font-weight: 700; ">, defined as follows:</span></span></div><div style="block-size: 46px; 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 23px; text-align: left; transform-origin: 384px 23px; 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: 0px 0px; transform-origin: 0px 0px; "><span style="">                    </span></span><span style="vertical-align:-17px"><img src="data:image/png;base64,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" width="173.5" height="46" style="width: 173.5px; height: 46px;"></span></div><div 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; "><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: 0px 0px; transform-origin: 0px 0px; "><span style="">For example for </span></span><span style="vertical-align:-5px"><img src="data:image/png;base64,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" width="44" height="18" style="width: 44px; height: 18px;"></span><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: 0px 0px; transform-origin: 0px 0px; "><span style="">:</span></span></div><div style="background-color: rgb(247, 247, 247); block-size: 80px; border-bottom-left-radius: 4px; border-bottom-right-radius: 4px; border-end-end-radius: 4px; border-end-start-radius: 4px; border-start-end-radius: 4px; border-start-start-radius: 4px; border-top-left-radius: 4px; border-top-right-radius: 4px; margin-block-end: 10px; margin-block-start: 10px; margin-bottom: 10px; margin-inline-end: 3px; margin-inline-start: 3px; margin-left: 3px; margin-right: 3px; margin-top: 10px; perspective-origin: 404px 40px; transform-origin: 404px 40px; margin-left: 3px; margin-top: 10px; margin-bottom: 10px; margin-right: 3px; "><div style="background-color: rgba(0, 0, 0, 0); block-size: 20px; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-end-end-radius: 0px; border-end-start-radius: 0px; border-inline-end-color: rgb(233, 233, 233); border-inline-end-style: solid; border-inline-end-width: 1px; border-inline-start-color: rgb(233, 233, 233); border-inline-start-style: solid; border-inline-start-width: 1px; border-left-color: rgb(233, 233, 233); border-left-style: solid; border-left-width: 1px; border-right-color: rgb(233, 233, 233); border-right-style: solid; border-right-width: 1px; border-start-end-radius: 0px; border-start-start-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; 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; min-block-size: 18px; min-height: 18px; padding-inline-start: 4px; padding-left: 4px; perspective-origin: 404px 10px; transform-origin: 404px 10px; white-space: nowrap; "><span style="block-size: auto; border-inline-end-color: rgb(0, 0, 0); border-inline-end-style: none; border-inline-end-width: 0px; border-inline-start-color: rgb(0, 0, 0); border-inline-start-style: none; border-inline-start-width: 0px; border-left-color: rgb(0, 0, 0); border-left-style: none; border-left-width: 0px; border-right-color: rgb(0, 0, 0); border-right-style: none; border-right-width: 0px; display: inline; margin-inline-end: 45px; margin-right: 45px; min-block-size: 0px; min-height: 0px; padding-inline-start: 0px; padding-left: 0px; perspective-origin: 0px 0px; tab-size: 4; transform-origin: 0px 0px; white-space: pre; margin-right: 45px; "><span style="margin-inline-end: 0px; margin-right: 0px; ">  &gt;&gt; lcmSum = @(n) sum(lcm(n,1:n));</span></span></div><div style="background-color: rgba(0, 0, 0, 0); block-size: 20px; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-end-end-radius: 0px; border-end-start-radius: 0px; border-inline-end-color: rgb(233, 233, 233); border-inline-end-style: solid; border-inline-end-width: 1px; border-inline-start-color: rgb(233, 233, 233); border-inline-start-style: solid; border-inline-start-width: 1px; border-left-color: rgb(233, 233, 233); border-left-style: solid; border-left-width: 1px; border-right-color: rgb(233, 233, 233); border-right-style: solid; border-right-width: 1px; border-start-end-radius: 0px; border-start-start-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; 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; min-block-size: 18px; min-height: 18px; padding-inline-start: 4px; padding-left: 4px; perspective-origin: 404px 10px; transform-origin: 404px 10px; white-space: nowrap; "><span style="block-size: auto; border-inline-end-color: rgb(0, 0, 0); border-inline-end-style: none; border-inline-end-width: 0px; border-inline-start-color: rgb(0, 0, 0); border-inline-start-style: none; border-inline-start-width: 0px; border-left-color: rgb(0, 0, 0); border-left-style: none; border-left-width: 0px; border-right-color: rgb(0, 0, 0); border-right-style: none; border-right-width: 0px; display: inline; margin-inline-end: 45px; margin-right: 45px; min-block-size: 0px; min-height: 0px; padding-inline-start: 0px; padding-left: 0px; perspective-origin: 0px 0px; tab-size: 4; transform-origin: 0px 0px; white-space: pre; margin-right: 45px; "><span style="margin-inline-end: 0px; margin-right: 0px; ">  &gt;&gt; lcmSum(20)</span></span></div><div style="background-color: rgba(0, 0, 0, 0); block-size: 20px; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-end-end-radius: 0px; border-end-start-radius: 0px; border-inline-end-color: rgb(233, 233, 233); border-inline-end-style: solid; border-inline-end-width: 1px; border-inline-start-color: rgb(233, 233, 233); border-inline-start-style: solid; border-inline-start-width: 1px; border-left-color: rgb(233, 233, 233); border-left-style: solid; border-left-width: 1px; border-right-color: rgb(233, 233, 233); border-right-style: solid; border-right-width: 1px; border-start-end-radius: 0px; border-start-start-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; 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; min-block-size: 18px; min-height: 18px; padding-inline-start: 4px; padding-left: 4px; perspective-origin: 404px 10px; transform-origin: 404px 10px; white-space: nowrap; "><span style="block-size: auto; border-inline-end-color: rgb(0, 0, 0); border-inline-end-style: none; border-inline-end-width: 0px; border-inline-start-color: rgb(0, 0, 0); border-inline-start-style: none; border-inline-start-width: 0px; border-left-color: rgb(0, 0, 0); border-left-style: none; border-left-width: 0px; border-right-color: rgb(0, 0, 0); border-right-style: none; border-right-width: 0px; display: inline; margin-inline-end: 45px; margin-right: 45px; min-block-size: 0px; min-height: 0px; padding-inline-start: 0px; padding-left: 0px; perspective-origin: 0px 0px; tab-size: 4; transform-origin: 0px 0px; white-space: pre; margin-right: 45px; "><span style="margin-inline-end: 0px; margin-right: 0px; ">  ans =</span></span></div><div style="background-color: rgba(0, 0, 0, 0); block-size: 20px; border-bottom-left-radius: 0px; border-bottom-right-radius: 0px; border-end-end-radius: 0px; border-end-start-radius: 0px; border-inline-end-color: rgb(233, 233, 233); border-inline-end-style: solid; border-inline-end-width: 1px; border-inline-start-color: rgb(233, 233, 233); border-inline-start-style: solid; border-inline-start-width: 1px; border-left-color: rgb(233, 233, 233); border-left-style: solid; border-left-width: 1px; border-right-color: rgb(233, 233, 233); border-right-style: solid; border-right-width: 1px; border-start-end-radius: 0px; border-start-start-radius: 0px; border-top-left-radius: 0px; border-top-right-radius: 0px; 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; min-block-size: 18px; min-height: 18px; padding-inline-start: 4px; padding-left: 4px; perspective-origin: 404px 10px; transform-origin: 404px 10px; white-space: nowrap; "><span style="block-size: auto; border-inline-end-color: rgb(0, 0, 0); border-inline-end-style: none; border-inline-end-width: 0px; border-inline-start-color: rgb(0, 0, 0); border-inline-start-style: none; border-inline-start-width: 0px; border-left-color: rgb(0, 0, 0); border-left-style: none; border-left-width: 0px; border-right-color: rgb(0, 0, 0); border-right-style: none; border-right-width: 0px; display: inline; margin-inline-end: 45px; margin-right: 45px; min-block-size: 0px; min-height: 0px; padding-inline-start: 0px; padding-left: 0px; perspective-origin: 0px 0px; tab-size: 4; transform-origin: 0px 0px; white-space: pre; margin-right: 45px; "><span style="margin-inline-end: 0px; margin-right: 0px; ">        2320</span></span></div></div><div style="block-size: 42px; font-family: Helvetica, Arial, sans-serif; line-height: 21px; margin-block-end: 9px; margin-block-start: 10px; margin-bottom: 9px; margin-inline-end: 10px; margin-inline-start: 4px; margin-left: 4px; margin-right: 10px; margin-top: 10px; perspective-origin: 384px 21px; text-align: left; transform-origin: 384px 21px; white-space: pre-wrap; margin-left: 4px; margin-top: 10px; 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: 0px 0px; transform-origin: 0px 0px; "><span style="">Since the sum grows very fast, please present your answer as a character string array and please limit the </span></span><a target='_blank' href = "https://www.mathworks.com/matlabcentral/content/cody/about.html"><span style=""><span style="font-weight: 700; text-decoration-line: underline; ">cody program size</span></span></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: 0px 0px; transform-origin: 0px 0px; "><span style=""> of the function to </span></span><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: 0px 0px; transform-origin: 0px 0px; "><span style="font-weight: 700; text-decoration-line: underline; ">150</span></span><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: 0px 0px; transform-origin: 0px 0px; "><span style="">. </span></span></div></div></div>

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Problem 57685. Easy Sequences 95: LCM Sums

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