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Advanced Math
For the highest-level (post-calculus) math questions that don't fall into any other category.
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J
Power series soln for 4xy"+3y'+3y=0 near origin for x>0
jerina16
Sep 8, 2008
Replies
1
Views
2K
Sep 8, 2008
tkhunny
L
Ramsey’s theorem: does every node belong to a clique?
leyou
Sep 5, 2008
Replies
2
Views
13K
Sep 7, 2008
leyou
L
D
Another prove/disprove; onto; inverse image
dell500
Sep 1, 2008
Replies
1
Views
1K
Sep 1, 2008
pka
D
Prove/Disprove... Monotone functions and mapping sets.
dell500
Aug 31, 2008
Replies
7
Views
5K
Aug 31, 2008
dell500
D
L
"Lagrange multipliers"-like for inequalities (optimize algo)
luigi
Aug 21, 2008
Replies
4
Views
2K
Aug 27, 2008
stapel
H
Coordinate transformations applicable if not all pred. used?
HannonRJ
Aug 24, 2008
Replies
1
Views
1K
Aug 24, 2008
Deleted member 4993
D
P
primitive roots: let r be prim rt of n; then r^k prim rt of
patsobi
Aug 3, 2008
Replies
1
Views
2K
Aug 3, 2008
stapel
X
Inequalities: x(x+1)(x+2)(x+3) >= -1, (ab+bc+ca)^2 >= 3abc(a
xwrathbringerx
Jul 31, 2008
Replies
1
Views
1K
Jul 31, 2008
tkhunny
X
arrange 1 to 1000 in table w/ 20 rows, 50 cols, so that....
xwrathbringerx
Jul 24, 2008
Replies
1
Views
1K
Jul 24, 2008
soroban
S
P
Divisor Funtion Inequality: for n > 1, t(n) < 2*sqrt(n)
patsobi
Jul 22, 2008
Replies
1
Views
1K
Jul 23, 2008
pka
G
Matrix Inverses Proof: If I-BA is invertible then so is I-AB
Goistein
Jul 16, 2008
Replies
0
Views
4K
Jul 16, 2008
Goistein
G
G
Calculus/Matrix Q: finite diff. matrix for d^2(x)/dx^2 + u =
Goistein
Jul 12, 2008
Replies
6
Views
2K
Jul 12, 2008
Goistein
G
G
Matrix Block Multiplication
Goistein
Jul 2, 2008
Replies
1
Views
3K
Jul 2, 2008
pka
N
Zero-sum subset problem
NightBreeze
Jun 22, 2008
Replies
6
Views
3K
Jun 27, 2008
NightBreeze
N
K
Prime numbers which divide 50! ?
kazafz
Jun 23, 2008
Replies
2
Views
6K
Jun 25, 2008
kazafz
K
T
Number Theory and Linear Combinations
tmmclaug
Jun 18, 2008
Replies
1
Views
2K
Jun 20, 2008
daon
D
D
Smoothing discrete line to approx. linear line w/ same vol.
discrete
Jun 5, 2008
Replies
10
Views
4K
Jun 13, 2008
Denis
D
P
limits of Infinite products
patsobi
Jun 9, 2008
Replies
1
Views
2K
Jun 10, 2008
tkhunny
K
Ellipsoid of inertia problem
Kremer
Jun 5, 2008
Replies
4
Views
2K
Jun 6, 2008
Kremer
K
C
how to get code check matrix from generator matrix
crb123
Jun 4, 2008
Replies
4
Views
3K
Jun 5, 2008
crb123
C
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