# Rahul Narain

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bio website location age 28 member for 3 years, 4 months seen 2 hours ago profile views 3,940

Almost all of the questions on the front page these days are homework questions or textbook exercises. I think I'll be spending a lot less time here.

# 492 Revisions

 Dec13 revised Flow Graphs: Why do you need the symmetry property of a graph? added 123 characters in body Dec10 revised Defining a graph as G=(V,E) — how to interpret the notation? added 6 characters in body Dec9 revised I want to show that $\mathrel{R_1}$ and $\mathrel{R_2}$ are a partial order on $\mathbb N$, how would I do this? rolled back to a previous revision Dec9 revised Which solids are characterized by their orthographic projections? fixed link Dec4 revised A jump process as an integrand in Itô integral with respect to an Itô process edited title Nov7 revised What are some examples of notation that really improved mathematics? cleaned up image and other formatting Nov6 revised Metal Ball Cage Template Cardinality: A Brilliantly Lazy PROOF added 28 characters in body Oct28 revised How come this represents the height of a trapezoid? deleted 6 characters in body Oct23 revised Deriving the Area of a Sector of an Ellipse edited body Oct16 revised Determine the value of $p>0$ for which $\sum_{n=1}^{\infty}(-1)^{\lfloor{\sqrt{n}}\rfloor}/n^p$ converges. added 2 characters in body; edited title Oct8 revised Proving that $\{\to, \lnot\}$ is logically complete deleted 6 characters in body; edited title Oct7 revised How is $\frac{\big(\frac{3}{2}\big)^{99}-1}{\big(\frac{3}{2}\big)^{100}-1}\approx\frac{1}{\big(\frac{3}{2}\big)}$ deleted 6 characters in body; edited title Oct4 revised For which $a$ does the system of linear equations have a root edited title Sep24 revised An open cover of $\{x:x>0\}$ with no finite subcover what kind of bozos approved the edit that made the set braces disappear? Sep20 revised Why is $(1+x)^2$ less accurate than $(x+2)x+1$ for small $x$? edited tags Sep19 revised Graphing cumulative elevation gain along a route edited tags Sep19 revised How to write $SO(2n)$ characters in terms of rotation angles? Minor TeX fixes Sep17 revised Proof involving $\sum_{k=0}^d {N \choose k}$; missing property to make this work Sorry to remove the funny-looking emoticon in your title =:D Sep14 revised Evaluating $\int x^2\cosh(x)\,\mathrm dx$ added 15 characters in body; edited title Sep13 revised Complex function sketch added 112 characters in body