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Available in 9 languages" > <label id="p-lang-btn-label" for="p-lang-btn-checkbox" class="vector-dropdown-label cdx-button cdx-button--fake-button cdx-button--fake-button--enabled cdx-button--weight-quiet cdx-button--action-progressive mw-portlet-lang-heading-9" aria-hidden="true" ><span class="vector-icon mw-ui-icon-language-progressive mw-ui-icon-wikimedia-language-progressive"></span> <span class="vector-dropdown-label-text">9 languages</span> </label> <div class="vector-dropdown-content"> <div class="vector-menu-content"> <ul class="vector-menu-content-list"> <li class="interlanguage-link interwiki-azb mw-list-item"><a href="https://azb.wikipedia.org/wiki/%D9%BE%DB%8C%D8%AA%D8%B1_%D9%88%DB%8C%D8%AA%D9%84_(%D8%B1%DB%8C%D8%A7%D8%B6%DB%8C%D8%A7%D8%AA%DA%86%DB%8C)" title="پیتر ویتل (ریاضیاتچی) – South Azerbaijani" lang="azb" hreflang="azb" data-title="پیتر ویتل (ریاضیاتچی)" data-language-autonym="تۆرکجه" data-language-local-name="South Azerbaijani" class="interlanguage-link-target"><span>تۆرکجه</span></a></li><li class="interlanguage-link interwiki-de mw-list-item"><a href="https://de.wikipedia.org/wiki/Peter_Whittle" title="Peter Whittle – German" lang="de" hreflang="de" data-title="Peter Whittle" data-language-autonym="Deutsch" data-language-local-name="German" class="interlanguage-link-target"><span>Deutsch</span></a></li><li class="interlanguage-link interwiki-en mw-list-item"><a href="https://en.wikipedia.org/wiki/Peter_Whittle_(mathematician)" title="Peter Whittle (mathematician) – English" lang="en" hreflang="en" data-title="Peter Whittle (mathematician)" data-language-autonym="English" data-language-local-name="English" class="interlanguage-link-target"><span>English</span></a></li><li class="interlanguage-link interwiki-fr mw-list-item"><a href="https://fr.wikipedia.org/wiki/Peter_Whittle" title="Peter Whittle – French" lang="fr" hreflang="fr" data-title="Peter Whittle" data-language-autonym="Français" data-language-local-name="French" class="interlanguage-link-target"><span>Français</span></a></li><li class="interlanguage-link interwiki-it mw-list-item"><a href="https://it.wikipedia.org/wiki/Peter_Whittle" title="Peter Whittle – Italian" lang="it" hreflang="it" data-title="Peter Whittle" data-language-autonym="Italiano" data-language-local-name="Italian" class="interlanguage-link-target"><span>Italiano</span></a></li><li class="interlanguage-link interwiki-ht mw-list-item"><a href="https://ht.wikipedia.org/wiki/Peter_Whittle" title="Peter Whittle – Haitian Creole" lang="ht" hreflang="ht" data-title="Peter Whittle" data-language-autonym="Kreyòl ayisyen" data-language-local-name="Haitian Creole" class="interlanguage-link-target"><span>Kreyòl ayisyen</span></a></li><li class="interlanguage-link interwiki-arz mw-list-item"><a href="https://arz.wikipedia.org/wiki/%D9%BE%D9%8A%D8%AA%D9%8A%D8%B1_%D9%88%D8%A7%D9%8A%D8%AA%D9%84%D9%89" title="پيتير وايتلى – Egyptian Arabic" lang="arz" hreflang="arz" data-title="پيتير وايتلى" data-language-autonym="مصرى" data-language-local-name="Egyptian Arabic" class="interlanguage-link-target"><span>مصرى</span></a></li><li class="interlanguage-link interwiki-pl mw-list-item"><a href="https://pl.wikipedia.org/wiki/Peter_Whittle" title="Peter Whittle – Polish" lang="pl" hreflang="pl" data-title="Peter Whittle" data-language-autonym="Polski" data-language-local-name="Polish" class="interlanguage-link-target"><span>Polski</span></a></li><li class="interlanguage-link interwiki-pt mw-list-item"><a href="https://pt.wikipedia.org/wiki/Peter_Whittle" title="Peter Whittle – Portuguese" lang="pt" hreflang="pt" data-title="Peter Whittle" data-language-autonym="Português" data-language-local-name="Portuguese" class="interlanguage-link-target"><span>Português</span></a></li> </ul> <div class="after-portlet after-portlet-lang"><span class="wb-langlinks-edit wb-langlinks-link"><a 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class="vector-pinnable-header-toggle-button vector-pinnable-header-pin-button" data-event-name="pinnable-header.vector-appearance.pin">move to sidebar</button> <button class="vector-pinnable-header-toggle-button vector-pinnable-header-unpin-button" data-event-name="pinnable-header.vector-appearance.unpin">hide</button> </div> </div> </div> </nav> </div> </div> <div id="bodyContent" class="vector-body" aria-labelledby="firstHeading" data-mw-ve-target-container> <div class="vector-body-before-content"> <div class="mw-indicators"> </div> <div id="siteSub" class="noprint">From Simple English Wikipedia, the free encyclopedia</div> </div> <div id="contentSub"><div id="mw-content-subtitle"></div></div> <div id="mw-content-text" class="mw-body-content"><div class="mw-content-ltr mw-parser-output" lang="en" dir="ltr"><p><b>Peter Whittle</b> (27 February 1927 – 10 August 2021) was a New Zealand <a href="/wiki/Mathematician" title="Mathematician">mathematician</a> and <a href="/wiki/Statistician" title="Statistician">statistician</a>. He was known for working on <a href="/w/index.php?title=Stochastic_net&action=edit&redlink=1" class="new" title="Stochastic net (not yet started)">stochastic nets</a>, <a href="/wiki/Optimal_control" title="Optimal control">optimal control</a>, <a href="/w/index.php?title=Time_series&action=edit&redlink=1" class="new" title="Time series (not yet started)">time series</a> analysis, <a href="/w/index.php?title=Stochastic_optimisation&action=edit&redlink=1" class="new" title="Stochastic optimisation (not yet started)">stochastic optimisation</a> and <a href="/w/index.php?title=Stochastic_dynamics&action=edit&redlink=1" class="new" title="Stochastic dynamics (not yet started)">stochastic dynamics</a>. </p><p>From 1967 to 1994, he was the <a href="/w/index.php?title=Churchill_professorship_of_mathematics_for_operational_research&action=edit&redlink=1" class="new" title="Churchill professorship of mathematics for operational research (not yet started)">Churchill Professor</a> of Mathematics for <a href="/w/index.php?title=Operational_research&action=edit&redlink=1" class="new" title="Operational research (not yet started)">operational research</a> at the <a href="/wiki/University_of_Cambridge" title="University of Cambridge">University of Cambridge</a>. He was born in <a href="/wiki/Wellington" title="Wellington">Wellington</a>, <a href="/wiki/New_Zealand" title="New Zealand">New Zealand</a>. </p><p>Whittle died on 10 August 2021, aged 94.<sup id="cite_ref-kelly_1-0" class="reference"><a href="#cite_note-kelly-1"><span class="cite-bracket">[</span>1<span class="cite-bracket">]</span></a></sup> </p> <div class="mw-heading mw-heading2"><h2 id="References">References</h2><span class="mw-editsection"><span class="mw-editsection-bracket">[</span><a href="/w/index.php?title=Peter_Whittle_(mathematician)&veaction=edit&section=1" title="Change section: References" class="mw-editsection-visualeditor"><span>change</span></a><span class="mw-editsection-divider"> | </span><a href="/w/index.php?title=Peter_Whittle_(mathematician)&action=edit&section=1" title="Edit section's source code: References"><span>change source</span></a><span class="mw-editsection-bracket">]</span></span></div> <style data-mw-deduplicate="TemplateStyles:r9724317">.mw-parser-output .reflist{margin-bottom:0.5em;list-style-type:decimal}@media screen{.mw-parser-output .reflist{font-size:90%}}.mw-parser-output .reflist .references{font-size:100%;margin-bottom:0;list-style-type:inherit}.mw-parser-output .reflist-columns-2{column-width:30em}.mw-parser-output .reflist-columns-3{column-width:25em}.mw-parser-output .reflist-columns{margin-top:0.3em}.mw-parser-output .reflist-columns ol{margin-top:0}.mw-parser-output .reflist-columns li{page-break-inside:avoid;break-inside:avoid-column}.mw-parser-output .reflist-upper-alpha{list-style-type:upper-alpha}.mw-parser-output .reflist-upper-roman{list-style-type:upper-roman}.mw-parser-output .reflist-lower-alpha{list-style-type:lower-alpha}.mw-parser-output .reflist-lower-greek{list-style-type:lower-greek}.mw-parser-output .reflist-lower-roman{list-style-type:lower-roman}</style><div class="reflist"> <div class="mw-references-wrap"><ol class="references"> <li id="cite_note-kelly-1"><span class="mw-cite-backlink"><a href="#cite_ref-kelly_1-0">↑</a></span> <span class="reference-text"><style data-mw-deduplicate="TemplateStyles:r9724332">.mw-parser-output cite.citation{font-style:inherit;word-wrap:break-word}.mw-parser-output .citation q{quotes:"\"""\"""'""'"}.mw-parser-output .citation:target{background-color:rgba(0,127,255,0.133)}.mw-parser-output .id-lock-free.id-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/6/65/Lock-green.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-limited.id-lock-limited a,.mw-parser-output .id-lock-registration.id-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/d/d6/Lock-gray-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .id-lock-subscription.id-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/a/aa/Lock-red-alt-2.svg")right 0.1em center/9px no-repeat}.mw-parser-output .cs1-ws-icon a{background:url("//upload.wikimedia.org/wikipedia/commons/4/4c/Wikisource-logo.svg")right 0.1em center/12px no-repeat}body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-free a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-limited a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-registration a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .id-lock-subscription a,body:not(.skin-timeless):not(.skin-minerva) .mw-parser-output .cs1-ws-icon a{background-size:contain;padding:0 1em 0 0}.mw-parser-output .cs1-code{color:inherit;background:inherit;border:none;padding:inherit}.mw-parser-output .cs1-hidden-error{display:none;color:var(--color-error,#d33)}.mw-parser-output .cs1-visible-error{color:var(--color-error,#d33)}.mw-parser-output .cs1-maint{display:none;color:#085;margin-left:0.3em}.mw-parser-output .cs1-kern-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right{padding-right:0.2em}.mw-parser-output .citation .mw-selflink{font-weight:inherit}@media screen{.mw-parser-output .cs1-format{font-size:95%}html.skin-theme-clientpref-night .mw-parser-output .cs1-maint{color:#18911f}}@media screen and (prefers-color-scheme:dark){html.skin-theme-clientpref-os .mw-parser-output .cs1-maint{color:#18911f}}</style><cite id="CITEREFKelly" class="citation web cs1">Kelly, Frank. <a rel="nofollow" class="external text" href="http://www.statslab.cam.ac.uk/~frank/whittle_nae.pdf">"Draft Memorial Tribute for the National Academy of Engineering PETER WHITTLE, 1927-2021"</a> <span class="cs1-format">(PDF)</span>. <i>Statistical Laboratory, University of Cambridge</i>. University of Cambridge<span class="reference-accessdate">. Retrieved <span class="nowrap">14 August</span> 2021</span>.</cite><span title="ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Ajournal&rft.genre=unknown&rft.jtitle=Statistical+Laboratory%2C+University+of+Cambridge&rft.atitle=Draft+Memorial+Tribute+for+the+National+Academy+of+Engineering+PETER+WHITTLE%2C+1927-2021&rft.aulast=Kelly&rft.aufirst=Frank&rft_id=http%3A%2F%2Fwww.statslab.cam.ac.uk%2F~frank%2Fwhittle_nae.pdf&rfr_id=info%3Asid%2Fsimple.wikipedia.org%3APeter+Whittle+%28mathematician%29" class="Z3988"></span></span> </li> </ol></div></div> <div class="navbox-styles nomobile"><style data-mw-deduplicate="TemplateStyles:r9122492">.mw-parser-output .navbox{box-sizing:border-box;border:1px solid #a2a9b1;width:100%;clear:both;font-size:88%;text-align:center;padding:1px;margin:1em auto 0}.mw-parser-output .navbox .navbox{margin-top:0}.mw-parser-output .navbox+.navbox,.mw-parser-output .navbox+.navbox-styles+.navbox{margin-top:-1px}.mw-parser-output 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