Problem 45988. Evaluate the zeta function for real arguments > 1

Created by ChrisR

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{"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>The</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"https://en.wikipedia.org/wiki/Riemann_zeta_function\"><w:r><w:t>Riemann zeta function</w:t></w:r></w:hyperlink><w:r><w:t> is important in number theory. In particular, the</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"https://en.wikipedia.org/wiki/Riemann_hypothesis\"><w:r><w:t>Riemann hypothesis</w:t></w:r></w:hyperlink><w:r><w:t>, one of the seven</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"https://en.wikipedia.org/wiki/Millennium_Prize_Problems\"><w:r><w:t>Millenium Prize Problems</w:t></w:r></w:hyperlink><w:r><w:t>, states that the non-trivial zeros of the zeta function all have real part equal to 1/2. The truth of the Riemann hypothesis has consequences for the distribution of prime numbers.</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>This problem deals only with values of the zeta function for real arguments greater than 1. For a positive integer argument </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/><w:attr w:name=\"altTextString\" w:val=\"x\"/></w:customXmlPr><w:r><w:t>x,</w:t></w:r></w:customXml><w:r><w:t> the zeta function is the sum of the reciprocals of integers raised to the power of </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/><w:attr w:name=\"altTextString\" w:val=\"x\"/></w:customXmlPr><w:r><w:t>x</w:t></w:r></w:customXml><w:r><w:t>. Euler showed that when </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/><w:attr w:name=\"altTextString\" w:val=\"x\"/></w:customXmlPr><w:r><w:t>x</w:t></w:r></w:customXml><w:r><w:t> is an even integer, the value of the zeta function is proportional to </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/><w:attr w:name=\"altTextString\" w:val=\"pi^x\"/></w:customXmlPr><w:r><w:t>\\pi^x</w:t></w:r></w:customXml><w:r><w:t>, and</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"https://www.mathworks.com/matlabcentral/cody/problems/45939-estimate-pi-from-certain-values-of-the-zeta-function\"><w:r><w:t>Cody Problem 45939</w:t></w:r></w:hyperlink><w:r><w:t> uses this fact to estimate </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>\\pi</w:t></w:r></w:customXml><w:r><w:t>. Less is known about the zeta function for odd integer arguments, but Apery proved that </w:t></w:r><w:customXml w:element=\"equation\"><w:customXmlPr><w:attr w:name=\"displayStyle\" w:val=\"false\"/><w:attr w:name=\"altTextString\" w:val=\"zeta(3)\"/></w:customXmlPr><w:r><w:t>\\zeta(3)</w:t></w:r></w:customXml><w:r><w:t>, now known as</w:t></w:r><w:r><w:t> </w:t></w:r><w:hyperlink w:docLocation=\"https://en.wikipedia.org/wiki/Apéry's_constant\"><w:r><w:t>Apery's constant</w:t></w:r></w:hyperlink><w:r><w:t>, is irrational.</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>Evaluate the zeta function for real arguments greater than 1.</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: 207px; display: block; min-width: 0px; padding-block-start: 0px; padding-top: 0px; perspective-origin: 407px 103.5px; transform-origin: 407px 103.5px; vertical-align: baseline; "><div style="block-size: 63px; 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 31.5px; text-align: left; transform-origin: 384px 31.5px; 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: 12.0667px 7.8px; transform-origin: 12.0667px 7.8px; unicode-bidi: normal; ">The<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: 1.95px 7.8px; transform-origin: 1.95px 7.8px; unicode-bidi: normal; "> <a target='_blank' href = "https://en.wikipedia.org/wiki/Riemann_zeta_function">Riemann zeta function</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: 145.733px 7.8px; transform-origin: 145.733px 7.8px; unicode-bidi: normal; "> is important in number theory. In particular, the<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: 1.95px 7.8px; transform-origin: 1.95px 7.8px; unicode-bidi: normal; "> <a target='_blank' href = "https://en.wikipedia.org/wiki/Riemann_hypothesis">Riemann hypothesis</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: 55.6167px 7.8px; transform-origin: 55.6167px 7.8px; unicode-bidi: normal; ">, one of the seven<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: 1.95px 7.8px; transform-origin: 1.95px 7.8px; unicode-bidi: normal; "> <a target='_blank' href = "https://en.wikipedia.org/wiki/Millennium_Prize_Problems">Millenium Prize Problems</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: 335.65px 7.8px; transform-origin: 335.65px 7.8px; unicode-bidi: normal; ">, states that the non-trivial zeros of the zeta function all have real part equal to 1/2. The truth of the Riemann hypothesis has consequences for the distribution of prime numbers.</div><div style="block-size: 105px; 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 52.5px; text-align: left; transform-origin: 384px 52.5px; 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: 378.467px 7.8px; transform-origin: 378.467px 7.8px; unicode-bidi: normal; ">This problem deals only with values of the zeta function for real arguments greater than 1. For a positive integer argument <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABwAAAAkCAYAAACaJFpUAAAA60lEQVRIie2U0Q2DIBBA3w5s4AIu4ASdgA3cwA1cgRkcwR26gjOwgv3gLhKi0kT0o+UlJuIFH3B3QKVSqVR+kgawwCDvaWyQ+GVewATMwCrPFMVt9H3dWcwlVOoBA3TAIotyyUKK0LPtRGVdaUlMGwk9hXKWw4tweUIGIU8r8H5CZkR0S0Xu4RLhrTm0hLwZtjy6u2StyFoZax61cPSom2jsCH07yvgUIz+dCL3nCc2txP1oRWYP4qtIT+mSCX0SbzLx9LrzOaFOGji+SbpMXOfPPNRCysgXR1oKLbZs0ZSU3X45KJaHdlb5Ez4sHUr70Yy5uAAAAABJRU5ErkJggg==" alt="x" style="width: 14px; height: 18px;" width="14" height="18"><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: 248.15px 7.8px; transform-origin: 248.15px 7.8px; unicode-bidi: normal; "> the zeta function is the sum of the reciprocals of integers raised to the power of x<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: 80.5167px 7.8px; transform-origin: 80.5167px 7.8px; unicode-bidi: normal; ">. Euler showed that when x<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: 35.7833px 7.8px; transform-origin: 35.7833px 7.8px; unicode-bidi: normal; "> is an even integer, the value of the zeta function is proportional to <img src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACIAAAAmCAYAAACh1knUAAABLklEQVRYhe2WXa3EIBBGjwccYAADq6AK6qAO6mAtVMNKqIdauBqwwH1gJkAvm93tpjQ34SQ80D8+5psZCp1Op9P5CAfcsrmRuWklwAITsAFBFnfAj8znVkKUSRa+A6sIvAQnQgIwXCVCCURLLsWQ8uIrWywx0V6NZ4s8SAk7HhEwknbyznCVbwwi5CbPLMQIvV0xywcC9v5bYnXMxEgYGQHw8u28rzzlLruwMvYLjaRyrGHk/YXSrokUnZcYeUGZ+dt8VlKDaoan9F8j5FuKUAtyW7RLLi2FqAV5LmgVHSrDI6gFeS7krbrZyanl6yvXtuzawImHmOZBoKwg7Y4qxHFS0lrKTuopLcgbmObPKbmSR6J2ZG+7+48zREDcvXbV2n+Dk3srDaum0+l0/hW/ktdyQqlGSvEAAAAASUVORK5CYII=" alt="pi^x" style="width: 17px; height: 19px;" width="17" height="19"><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: 15.5667px 7.8px; transform-origin: 15.5667px 7.8px; 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: 1.95px 7.8px; transform-origin: 1.95px 7.8px; unicode-bidi: normal; "> <a target='_blank' href = "https://www.mathworks.com/matlabcentral/cody/problems/45939-estimate-pi-from-certain-values-of-the-zeta-function">Cody Problem 45939</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: 80.8833px 7.8px; transform-origin: 80.8833px 7.8px; unicode-bidi: normal; "> uses this fact to estimate π<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: 27.6167px 7.8px; transform-origin: 27.6167px 7.8px; unicode-bidi: normal; ">. Less is known about the zeta function for odd integer arguments, but Apery proved that <img src="data:image/png;base64,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" alt="zeta(3)" style="width: 30.5px; height: 18.5px;" width="30.5" height="18.5"><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: 48.2333px 7.8px; transform-origin: 48.2333px 7.8px; unicode-bidi: normal; ">, now known as<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: 1.95px 7.8px; transform-origin: 1.95px 7.8px; unicode-bidi: normal; "> <a target='_blank' href = "https://en.wikipedia.org/wiki/Ap%C3%A9ry's_constant">Apery's constant</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: 10.8833px 7.8px; transform-origin: 10.8833px 7.8px; unicode-bidi: normal; ">, is irrational.</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: 186.7px 7.8px; transform-origin: 186.7px 7.8px; unicode-bidi: normal; ">Evaluate the zeta function for real arguments greater than 1.</div></div></div>

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Problem 45988. Evaluate the zeta function for real arguments > 1

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