Rod Carvalho
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 Sep 18 revised How to understand the answer of this probability problem? Improved the text, fixed typos Sep 18 revised MDP quadcopter stabilization edited tags, fixed latex Sep 18 revised MDP quadcopter stabilization edited tags Sep 18 revised Using the definition of derivative to evaluate $(\sin^2(x))'$ Fixed LaTeX and typos Sep 17 revised Derivative of $u(x) = x^T x$ Fixed LaTeX Sep 17 revised Maclaurin expansion of $\arcsin x$ Fixed typos Sep 17 revised Which is a better measure of uncertainty: standard deviation or resolution uncertainty? Added update Sep 17 revised Positive definiteness of a matrix Fixed typos Sep 16 revised Injective function from $\mathbb{R}^2$ to $\mathbb{R}$? Fixed title Sep 16 revised What is a simple formula to interpolate 2 unknowns between 2 knowns? added 89 characters in body Sep 16 revised roots of a cubic polynomial deleted 7 characters in body Sep 16 revised Function whose graph resembles the shape in this image Edited text and title, removed any mention of "Electromagnetic Spectrum" Sep 16 revised Function whose graph resembles the shape in this image Fixed image link Sep 14 revised bound the distance of two roots of multivariate polynomial systems Fixed typos Sep 13 revised Average Distance Between Random Points on a Line Fixed typos Sep 13 revised Average Distance Between Random Points on a Line added 3 characters in body Sep 13 revised An autonomous (strange) Cauchy problem Fixed LaTeX Sep 13 revised General solution to an inhomogeneous ODE (trouble with integration by parts?) Fixed typos Sep 13 revised Meaning of derivatives of vector fields Added update Sep 12 revised Find the sum $\frac{1}{2\cdot 3}+\frac{1}{3\cdot 4}+\dots+\frac{1}{99\cdot 100}$ Fixed LaTeX