Skip to main content
k12345's user avatar
k12345's user avatar
k12345's user avatar
k12345
  • Member for 3 years, 5 months
  • Last seen this week
4 votes
1 answer
95 views

Why Applying A Continuous Linear Elliptic Differential Operator Gives A Functional and Clarifying Dual Space Definition

4 votes
1 answer
182 views

Am I Using Rellich Compactness Theorem Correctly to extract a convergent subsequence

3 votes
1 answer
84 views

Quotient Spaces (with respect to the Kernel of a Differential Operator)

3 votes
2 answers
119 views

Reduction of Order to Solve $y'' =-y^{3}$

2 votes
0 answers
102 views

2D FEM Basis Functions to Represent a Vector in $\mathbb{R}^2$

2 votes
1 answer
373 views

Oscillating String attached to Spring

2 votes
2 answers
298 views

If you have four complex numbers and divide each of them by the others then will one of the results have to have non negative real and imaginary parts

2 votes
1 answer
749 views

Understanding why Roots of Chebyshev Polynomial Give best Interpolation

1 vote
1 answer
199 views

Does the complex function $f(z)$ have to be bounded on $|z|<1$?

1 vote
2 answers
1k views

Complex function with infinitely many zeros on bounded domain

1 vote
1 answer
29 views

Is there a constant we can pick that will make this function holmomorphic on the disc of radius 2?

1 vote
0 answers
82 views

Integral of Dirac Delta Derivative Times Non-Smooth Function

1 vote
0 answers
35 views

Calculating Distance for Circ Cross Section in Cylindrical Coordinates Analogously to Distance for Rectangular Cross Section in Cartesian Coordinates

1 vote
1 answer
82 views

Rectangle inscribed in triangle with max area

1 vote
1 answer
61 views

Setting up Very Simple PDE Resembling Ice Flow Full Stokes for a Toy FEM Problem

1 vote
1 answer
67 views

Can I claim that $\nabla \cdot (\delta_{i}(x,y) \nabla u(x,y)) = \delta_{i}(x,y) \Delta u$

1 vote
1 answer
45 views

Probability Inequalities Based on Properties of Variance for Gaussian Random Variables

1 vote
0 answers
35 views

Clarification question on applying divergence theorem to $\nabla \cdot (u \nabla u)$ on a compact manifold without boundary

1 vote
1 answer
46 views

Understanding Properties of Probability Used in a Paper

1 vote
0 answers
34 views

After applying Gram Schmidt to orthonormalize columns that are random normal gaussian vectors what is the resulting distribution?

1 vote
1 answer
42 views

Proving $|z|(|z|^{n-1}+1)<1$ with $|z|<1$

0 votes
1 answer
120 views

How to use local approximation spaces to build a global space via the Partition of Unity Method

0 votes
1 answer
83 views

Proof to show Sequence is Cauchy correct?

0 votes
1 answer
101 views

How to find a matrix $A$ such that $\langle x,y\rangle = x^T A y$ for the $L^2 (D)$ inner product

0 votes
1 answer
82 views

How to compute eigen values and eigen vectors for eigen value problem in terms of inner product?

0 votes
1 answer
22 views

Is function in $L^{\infty} (\Omega)$ times function in $H^{1,2} _0 (\Omega)$ differentiable?

0 votes
0 answers
19 views

Am I using the properties of my matrix correctly in these inequalities?

0 votes
0 answers
16 views

Is a function in $C^1 _0(D)$ times a function in $H^1 _{loc} \cap L^2 (D)$ in $C^{\infty}_{0}$?

0 votes
1 answer
40 views

Transforming region y-x>0 to the upper half plane through change of variables

0 votes
1 answer
17 views

Finding a number sequence as an upper bound