Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
G
Matrix Block Multiplication
Replies
1
Views
3K
pka
pka
N
Zero-sum subset problem
Replies
6
Views
3K
NightBreeze
N
K
Prime numbers which divide 50! ?
Replies
2
Views
6K
kazafz
K
T
Number Theory and Linear Combinations
Replies
1
Views
2K
daon
D
D
Smoothing discrete line to approx. linear line w/ same vol.
Replies
10
Views
4K
Denis
D
P
limits of Infinite products
Replies
1
Views
2K
tkhunny
tkhunny
K
Ellipsoid of inertia problem
Replies
4
Views
2K
Kremer
K
C
how to get code check matrix from generator matrix
Replies
4
Views
3K
crb123
C
E
In discrete math where denotes the cardinality of set A?
Replies
2
Views
2K
cadamcross
C
V
contradiction proof: successful free throws and percents
Replies
1
Views
2K
Deleted member 4993
D
V
Proof using contradiction: If x <= y+c for c > 0 then x <= y
Replies
2
Views
2K
pka
pka
V
If a, b not div. by 5, then ab not div. by 5 for a = 5k + r
Replies
1
Views
2K
royhaas
R
V
Proof: For every natural n, prove sqrt(n) is integer or...
Replies
2
Views
2K
pka
pka
G
sequences: write set w/ array of 0s, 1s; find formula; etc
Replies
1
Views
2K
soroban
S
G
need to prove a set of convergent sequences is closed
Replies
1
Views
2K
pka
pka
G
topology proof: Let X = (X, d) be a finite metric space....
Replies
1
Views
2K
pka
pka
K
Prove that for all sets A, B, and C, Ax(B-C) = (AxB)-(AxC)
Replies
1
Views
11K
daon
D
P
Uniform convergence
Replies
0
Views
1K
passionate
P
J
use euler's theorem to confirm that 51 | 10^(32n+9) - 7
Replies
1
Views
3K
daon
D
4
sequence question - sorry if this is the wrong section!
Replies
2
Views
2K
4o4found
4
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