Phonon

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374 reputation

410

bio	website	artscitech.blogspot.com
	location	Lititz, PA
	age
visits	member for	2 years, 3 months
	seen	May 30 at 18:16
stats	profile views	59

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18 Questions

votes activity newest

9	A good book for learning mathematical trickery
7	Fun calculus problem I can't seem to solve
6	Infinite series expansion of $\sin (x)$
5	Algebraic proof that collection of all subsets of a set (power set) of $N$ elements has $2^N$ elements
5	Need help with very simple set theoretic proofs

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374 Reputation

+10	Eigenvectors of real symmetric matrices are orthogonal
+10	Infinite series expansion of $\sin (x)$
+10	Fun calculus problem I can't seem to solve
+5	State-space to transfer function

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4 Answers

votes activity newest

2	how seconds per year does the average worker work?
2	Calculate distance in 3D space
2	Mathematicians whose names are commonly mispronounced
0	Dissecting a square into congruent pieces that all touch the centre

35 Tags

2 3d	0 functions × 2
2 finance	0 elementary-set-theory × 2
2 arithmetic	0 analysis × 2
0 linear-algebra × 6	0 sequences-and-series × 2
0 proof-strategy × 3	0 algebra-precalculus × 2

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33 Accounts

	Stack Overflow	5,353 rep	11353
	Signal Processing♦	1,255 rep	1932
$Mathematics Stack Exchange$	Mathematics	374 rep	410
	English Language & Usage	254 rep	411
	Biology	254 rep	25

13 Badges

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Popular Question × 2	Yearling
Notable Question	Citizen Patrol
Civic Duty	Scholar
Constituent	Commentator
Caucus	Student

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344 Votes Cast

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0	down		255	answer

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