Advanced Math

For the highest-level (post-calculus) math questions that don't fall into any other category.
Steven G
Linear Algebra problem: What does it mean by ZxZxZ are represented by column vectors?
Replies
4
Views
4K
blamocur
blamocur
A
Physics Homework Question: A drag racer, starting from rest, speeds up for 401.0 m with an acceleration of +15.2 m/s2
Replies
9
Views
1K
Amelinator
A
B
Can't solve any problems: After finishing chapter in Herstein's "Topics in Algebra", I've been trying to solve problems for several weeks.
Replies
4
Views
804
Boi
B
M
  • Locked
Please help me with this apparent paradox: Does set of all naturals exist in {{1}, {1, 2}, {1, 2, 3}, {1, 2, 3, 4} ...} ?
2 3
Replies
47
Views
3K
stapel
stapel
Steven G
How can the professor's claim be valid? (divisibility)
Replies
6
Views
796
khansaheb
K
W
Seeking Optimal Strategy for Decimal Puzzle - Truncation and Lengthening to find unknown C
Replies
0
Views
300
williejradley
W
A
Newbie Mathematica coding Question: Evaluate \sum_{m =1}^{6076} 1/(1-1/p_m) where for any integer n, p_n is the n-th prime.
Replies
0
Views
331
Artisanico
A
Steven G
Trouble with a Linear Diophantine Equation ($4.55 in quarters and dimes)
Replies
8
Views
1K
khansaheb
K
D
If multiplication is really iterative addition, why do we say rings have two binary operations?
Replies
0
Views
275
DumbQuestions
D
L
simpson 1/3 rule (prove approx. which comes out in the course of deriving Simpsons's 3/8 rule)
Replies
1
Views
562
blamocur
blamocur
M
What cut should be made in a Green Hackenbush game after solving its corresponding Nim game?
Replies
0
Views
526
Metronome
M
N
Transforming integral to spherical coordinates
Replies
4
Views
601
Nkj
N
S
Question: given: gcd(x,y) + gcd(x,z) + gcd(y,z) = y + z + 920 with x,y,z being positive integers prove that gcd(b,c)=920
Replies
4
Views
2K
Dr.Peterson
Dr.Peterson
I
Continuum Physics: Consider the Cauchy stress distribution for a continuum in equilibrium....
Replies
1
Views
452
ihsan
I
C
Sum is always positive (prove): ∑_(k=0 to 2n) (−λ)^k (Γ(2n+1−k+kα))/(Γ(kα+1)Γ(2n+1−k))
Replies
0
Views
297
CesarRocha
C
V
A formula for Pythagoreans with prime roots
2
Replies
22
Views
2K
Dr.Peterson
Dr.Peterson
S
Finding second-order finite difference stencil
Replies
3
Views
442
blamocur
blamocur
Qwertyuiop[]
Properties of matrix determinant: Find the det(u+2v-3w,w,2u) without calculating the vector u +2v-3w.
Replies
7
Views
644
khansaheb
K
Steven G
Is the proof in my book number theory correct? Why?
Replies
5
Views
628
Steven G
Steven G
C
Criticism needed for apparent proof of P=NP
Replies
0
Views
269
Copperside
C
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