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 Sep3 accepted Motivation of the Gaussian Integral Sep3 revised Motivation of the Gaussian Integral added 305 characters in body Sep3 comment Motivation of the Gaussian Integral This is an interesting answer. However, it is not clear to me why $p(x)\Delta x$ is the probability of landing in the vertical strip of size $\Delta x$. What is the justification for this? Sep2 revised Motivation of the Gaussian Integral added 3 characters in body Sep2 asked Motivation of the Gaussian Integral Aug24 awarded Yearling Jul11 answered Proof that $\sum\limits_{k=1}^nk^2 = \frac{n(n+1)(2n+1)}{6}$? Jul8 answered Covectors and Vectors Jun19 comment Functions as integrals of basis functions I know about this theory. However, it doesn't yield the classical Fourier transform though (where thinkings happen in $L^1(\mathbf R)$. Jun18 revised Functions as integrals of basis functions added 574 characters in body Jun18 asked Functions as integrals of basis functions May27 comment Questions about boundary faces of simplices and triangulations @wckronholm I understand what you meant to say now, that is that every point of a simplex is an interior point of one of its faces. Let me think about what I can do with that. May27 awarded Commentator May27 comment Questions about boundary faces of simplices and triangulations @wckronholm That cannot be true since two subsimplices may share a face. May27 comment Questions about boundary faces of simplices and triangulations @Joseph A triangulation of an $n$-dimensional simplex $S$ is a finite collection of $n$-simplices, called the subsimplices of the triangulation, whose union equals S and such that the intersection of any two of them is a common face. May26 asked Questions about boundary faces of simplices and triangulations May16 comment Checking that a particular set is a $\sigma$-algebra What is $\mathcal M$ supposed to be? May13 awarded Teacher May13 answered Quantum mechanics for mathematicians May13 accepted On the probability that two positive integers are relatively prime