user56202's user avatar
user56202's user avatar
user56202's user avatar
user56202
  • Member for 3 years, 7 months
  • Last seen more than a month ago
6 votes
4 answers
812 views

Numerical Analysis or Numerical Linear Algebra Book with Available Solutions?

6 votes
3 answers
661 views

Are these two definitions of base for a topology equivalent?

5 votes
0 answers
72 views

Showing that if a plane curve $L$ is always perpendicular to a fixed vector, then $L$ is a line

4 votes
2 answers
189 views

Expressing a solid in spherical coordinates

4 votes
1 answer
490 views

Is my understanding of "subshifts of finite type" correct?

3 votes
0 answers
184 views

How to prove $\|A\|_2 \le \sqrt{\|A\|_1^{\vphantom t}\cdot\|A\|_{\infty}}$ using Holder's Inequality?

3 votes
1 answer
111 views

Does AM-GM Follow From the Convexity of Some Function

3 votes
0 answers
80 views

Finding Counterexamples for Poincaré's Recurrence Theorem (Dropped Hypothesis)

3 votes
0 answers
38 views

Does this Optimization paper contain a mistake?

3 votes
2 answers
82 views

Solving the recurrence $a_{k+2} = \frac {k - 4}{(k+1)(k+2)}a_k$?

3 votes
2 answers
664 views

Inverting Jacobian trick: does it always work, or did professor get lucky?

3 votes
0 answers
86 views

Is there a good reason why continuity assumed in the definition of differentiability in do Carmo?

2 votes
1 answer
73 views

Question about the definition of a vector field on a manifold

2 votes
0 answers
43 views

Does the decimal expansion of a (fractional) number always contain less digits than its binary expansion?

2 votes
1 answer
28 views

For a set $E$ of finite Lebesgue measure, $\lim_{y \to 0} m((E + y) - E) = 0$

2 votes
1 answer
100 views

Geometry of $\mathbb{R}^n$: what is this area of mathematics called?

1 vote
1 answer
164 views

Why does $A^*A x = A^*b$ always have a solution even for rank-deficient A?

1 vote
0 answers
74 views

Error when interpolating $e^{2x} - x$ by a polynomial

1 vote
1 answer
782 views

What does "Ergodic Convergence Rate" mean?

1 vote
1 answer
32 views

Showing that a sequence which satisfies $x_{k+1} \le a x_k + c \cdot b^k$ converges linearly to $0$?

1 vote
0 answers
184 views

Textbook for 3D Geometry With Analysis Point of View

1 vote
0 answers
45 views

Why do these sets nest into each other in a Cantor-like fashion?

1 vote
1 answer
84 views

Finding the $p$ norm of a row matrix

1 vote
0 answers
198 views

How to interpret if $\sum_{j = 0}^{n} \frac {1}{j!}$ is a stable algorithm for computing $e$?

1 vote
2 answers
69 views

How to show that $\int_0^1 f(x)^2 dx \le \int_0^1 f'(x)^2 dx$ if $f(0) = f(1) = 0$?

1 vote
1 answer
214 views

Intuition for group property of the flow of differential equations

1 vote
0 answers
41 views

Polyhedra proof. Is my solution correct?

1 vote
0 answers
49 views

Question about Christoffel symbols

1 vote
0 answers
69 views

How to justify this asymptotic relation?

0 votes
1 answer
71 views

How to find optimality conditions for a linear program with constraints $Ax \le b$?