Rahul Narain

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16,920 reputation

22358

bio	website
	location
	age	28
visits	member for	2 years, 9 months
	seen	14 hours ago
stats	profile views	3,198

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.

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409 Answers

votes activity newest

31	will 3 lights illuminate convex solid
29	proving $\mathrm e <3$
22	Solving the equation $x e^x = e$
21	Is this 3D curve a circle?
20	Why is the eigenvector of a covariance matrix equal to a principal component?

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16,920 Reputation

+15	When can one use logarithms to multiply matrices
+10	Solving the equation $x e^x = e$
+10	proving $\mathrm e <3$
+10	Applying a Math Formula in a more elegant way (maybe a recursive call would do the trick)

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15 Questions

votes activity newest

24	Why does this distribution of polynomial roots resemble a collection of affine IFS fractals?
10	Is it misleading to think of rank-2 tensors as matrices?
9	Covering points on a sphere with a disk
8	Why does the polynomial equation $1 + x + x^2 + \cdots + x^n = S$ have at most two solutions in $x$?
8	Why are these two definitions of the Mandelbrot set equivalent?

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186 Tags

257 geometry × 104	62 inequality × 8
104 calculus × 28	58 probability × 16
94 linear-algebra × 39	53 real-analysis × 14
72 functions × 23	47 multivariable-calculus × 13
66 euclidean-geometry × 17	46 matrices × 21

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10 Accounts

$Mathematics Stack Exchange$	Mathematics	16,920 rep	22358
	Mathematica	1,942 rep	721
	English Language & Usage	1,187 rep	313
	Meta Stack Overflow	328 rep	39
$TeX - LaTeX Stack Exchange$	TeX - LaTeX	294 rep	28

44 Badges

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Nice Question × 2	Revival × 5
Necromancer × 2	Custodian × 7
Nice Answer × 18	Good Answer × 2
Autobiographer	Sportsmanship
calculus	Proofreader

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3,455 Votes Cast

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179	down		2,475	answer		3

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