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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">Hello math enthusiasts,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129"><o:p> </o:p></span></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">Today (Monday 10/10) Math Club has another upcoming meeting in Morton 115 at
<span class="aqj">5pm</span> featuring Dr. Kelsey from the computer science department (Abstract below) . Afterwards, you can stay for the Association of Women in Mathematics who will be meeting in the same room right after. If you have any questions or would
like to be put on the Math Club mailing list, please email me at </span><span style="font-size:9.5pt;font-family:"Arial","sans-serif";color:#555555"><a href="mailto:ohio.mathclub@gmail.com">ohio.mathclub@gmail.com</a></span><span style="font-size:9.5pt;font-family:"Arial","sans-serif";color:black">
and join the group at <a href="https://www.facebook.com/groups/OUMath/" id="LPlnk216261">
https://www.facebook.com/groups/OUMath/</a></span><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129"><o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">Abstract:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">Uncertainty and imprecision are unavoidable aspects of mathematical modeling and calculation. Major reasons for this are:<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">1. Nothing can be measured exactly.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">2. Real numbers cannot be represented exactly.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">3. Math operations on floating point data have roundoff error.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">Floating point numbers must be represented in models and calculations. Either use one FP number and pretend it is exact, or use more FP numbers and attempt to deal
with uncertainty. Leading representations are intervals and boxes, probability densities, and fuzzy numbers.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">The math of intervals is pretty easy. The math of boxes (higher dimensional intervals) is a lot more fun. I am involved with working out the interaction of uncertainty
with linear algebra and matrix theory. This will be presented as time permits.<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129"><o:p> </o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">Happy mathing,<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"inherit","serif";color:#1D2129">Abdalah El-Barrad<o:p></o:p></span></p>
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<span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#666666">Ohio University (Class of 2017)</span><span style="font-family:"Arial","sans-serif";color:#222222"><o:p></o:p></span></p>
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<span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#666666">BS in Economics and Applied Mathematics (Dual)</span><span style="font-family:"Arial","sans-serif";color:#222222"><o:p></o:p></span></p>
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<span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#666666">Computer Science Minor</span><span style="font-family:"Arial","sans-serif";color:#222222"><o:p></o:p></span></p>
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<span style="font-size:7.5pt;font-family:"Arial","sans-serif";color:#666666">President of the OU Math Club</span><span style="font-family:"Arial","sans-serif";color:#222222"><o:p></o:p></span></p>
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