Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
O
Functions as vector spaces
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1K
daon
D
M
Equivalence Classes: N-cross-N w/ {a,b}R{j,k} means a+k=b+j
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2
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2K
daon
D
W
Suppose 4-by-5 coefficient matrix has 3 pivot columns.
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0
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1K
warwick
W
M
Proof: [(d^n)(x e^(-x))]/(dx)^n = (-1)^n (x - n)e^(-x)
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2
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1K
daon
D
F
Convergence of a Sequence of Functions
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4
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2K
Deleted member 4993
D
N
Let f:(0, 1) --> R be continuous in every irrational x. Then
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3
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2K
PAULK
P
M
Need help with question on distributions please
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0
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1K
mbbx5va2
M
A
isospectral groups: looking for their definition
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1
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1K
Deleted member 4993
D
B
Linear Algebra - Help Please or I fail :(
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3
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2K
Deleted member 4993
D
C
Abstract Algebra help needed ASAP or doomed
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4
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2K
stapel
stapel
J
Abstract Algebra: Let H={(g,g)}, g in G a group. Show H is a
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1
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2K
Unco
U
M
Fourier Transforms: cos(pi*t)[u(t+0.5)-u(t+0.5)], etc
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3
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4K
Unco
U
A
A Complete Set of Representatives
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4
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4K
adanedhel728
A
T
Abstract Algebra: Let f, g, h be elts of F[x] w/ f !=0. If
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2
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2K
daon
D
S
Discrete math gcd formula 210x + 294y + 490z + 735w = 14
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3
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2K
mmm4444bot
mmm4444bot
D
If 200lb struck by 3990 lbs is thrown 25 ft, how fast was
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2
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1K
mmm4444bot
mmm4444bot
A
2 complex-var integrals: int[0,2pi][d(@)/(1+Bcos(@)^2], and
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0
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1K
alpha
A
F
Function NOT increasing on any open interval containing 0
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0
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2K
felvt
F
M
L'Hopital's Theorem: If limf(x)=limg(x)=infty, then lim(f/g)
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5
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3K
pka
pka
M
If G finite group w/ at most m solns to x^m=e in G, prove
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0
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1K
mCibs4
M
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