
Mnemonic for Integration by Parts formula? - Mathematics Stack …
Nov 11, 2018 · The Integration by Parts formula may be stated as: $$\\int uv' = uv - \\int u'v.$$ I wonder if anyone has a clever mnemonic for the above formula. What I often do is to derive it …
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Expectation of Minimum of $n$ i.i.d. uniform random variables.
Apr 25, 2017 · To calculate the expected value, we're going to need the density function for Y. To get that, we're going to need the distribution function for Y. Let's start there. By definition, F(y) …
Difference between "≈", "≃", and "≅" - Mathematics Stack Exchange
In mathematical notation, what are the usage differences between the various approximately-equal signs "≈", "≃", and "≅"? The Unicode standard lists all of them inside the Mathematical …
Calculate the cohomology group of $U(n)$ by spectral sequence.
May 31, 2015 · with fibre U(n − 1) U (n − 1). Then, we try to use spectral sequence and Leray's theorem to calculate. Although it seems that we should calculate it by induction, I don't know …
Equation of a rectangle - Mathematics Stack Exchange
Oct 2, 2011 · I need to graph a rectangle on the Cartesian coordinate system. Is there an equation for a rectangle? I can't find it anywhere.
Lie Algebra of U(N) and SO(N) - Mathematics Stack Exchange
Oct 8, 2012 · U(N) and SO(N) are quite important groups in physics. I thought I would find this with an easy google search. Apparently NOT! What is the Lie algebra and Lie bracket of the …
The sequence of integers - Mathematics Stack Exchange
May 9, 2016 · Prove that the sequence $\\{1, 11, 111, 1111, .\\ldots\\}$ will contain two numbers whose difference is a multiple of $2017$. I have been computing some of the immediate …
Homotopy groups U(N) and SU(N): $\\pi_m(U(N))=\\pi_m(SU(N))$
Oct 3, 2017 · Am I correct that homotopy groups of U(N) U (N) and SU(N) S U (N) are the same,
probability - Let $U_1,U_2,...$ be a sequence of independent …
Sep 25, 2019 · N:= min{n ≥ 2: Un>Un−1} N:= min {n ≥ 2: U n> U n − 1} M:= min{n ≥ 2: U1 + ⋯ +Un> 1} M:= min {n ≥ 2: U 1 + ⋯ + U n> 1} Show that surprisingly, N N and M M have the …