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kaue.me | ||
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www.johnmyleswhite.com
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| | | | | Recently a friend asked me to help her learn enough math to take the GRE's. My response was to give her the first problem that I thought she should be able to solve before we discussed anything else. It was a very simple problem from the perspective of a mathematician, but one that is not simple enough to solve only using the approaches to problem-solving that are usually taught in American high schools. | |
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www.mathsisfun.com
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stephenmalina.com
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| | | | | Selected Exercises # 5.A # 12. Define $ T \in \mathcal L(\mathcal P_4(\mathbf{R})) $ by $$ (Tp)(x) = xp'(x) $$ for all $ x \in \mathbf{R} $. Find all eigenvalues and eigenvectors of $ T $. Observe that, if $ p = a_0 + a_1 x + a_2 x^2 + a_3 x^3 + a_4 x^4 $, then $$ x p'(x) = a_1 x + 2 a_2 x^2 + 3 a_3 x^3 + 4 a_4 x^4. | |
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www.linfo.org
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| | | [AI summary] This article compiles programming quotations from notable figures in the field, highlighting insights on software development, programming languages, and the nature of coding. | ||
