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rocksNwaves
  • Member for 7 years, 10 months
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4 votes
1 answer
1k views

Counting the number of non-consecutive subsets of integers from $1$ to $n$. [closed]

4 votes
1 answer
127 views

Assume $T'\in \mathcal{L}(W',V')$ is an isomorphism. Is $T$ an isomorphism?

4 votes
3 answers
162 views

Determining bounds of integration given a set and a set function?

4 votes
1 answer
186 views

Justification for notation of line integrals

3 votes
1 answer
982 views

Understanding the matrix equation used to solve 2-D Poisson Equation with non-uniform grid

3 votes
1 answer
504 views

Working out the analysis of a circuit with non-linear resistor

3 votes
3 answers
404 views

When to use the multiplication rule in probability versus when to use a tree?

2 votes
0 answers
31 views

Finding constants in terms of correlation coefficients and variance

2 votes
0 answers
82 views

Applying rules of linear operators to expectation in probability

2 votes
2 answers
1k views

Suppose $U$ is a subspace of $V$ such that dim$V/U=1$. Prove that there exists $\varphi \in \mathcal{L} (V, \mathbb{F}) $ such that null$ \varphi = U$

2 votes
0 answers
69 views

Last step in a simple proof:

2 votes
2 answers
305 views

If $n$ is coprime to 10, then $1/n$ produces a repeating decimal.

2 votes
1 answer
1k views

How do I determine what $f(y, t)$ is when using Runge-Kutta to solve a PDE?

2 votes
1 answer
386 views

Spectral clustering k, vs k-means k?

1 vote
1 answer
31 views

What is the motivation to minimize the length of the boundary in the Mumford and Shah energy?

1 vote
0 answers
102 views

repeating decimals and carmichael function

1 vote
0 answers
61 views

What is the intuition behind exponentials in the frequency domain signifying delay in a signal?

1 vote
1 answer
387 views

$w = \log z$ is analytic on $D = \{z : \alpha < \arg z < \alpha +2\pi k\}$

1 vote
2 answers
86 views

Proving that $\sqrt{2} |z| \geq |x| + |y|$ for $z = x + iy$

1 vote
1 answer
70 views

How do I evaluate $\lim_{\Delta z \to 0} \frac{1}{\Delta z}\int_{z_1}^{z_1 + \Delta z}f(t)dt$

1 vote
0 answers
40 views

How do I apply the definition of stability to this sample problem?

1 vote
2 answers
135 views

Mathematical intuition behind this algorithm: prime factorization

1 vote
1 answer
438 views

How do I interpret my error graph?

1 vote
0 answers
46 views

Converting a $xA + yI = A^2$ to a different form

1 vote
0 answers
72 views

Understanding Fourier Series constants and their contribution to the sum

1 vote
1 answer
804 views

Solving for coefficients of complex Fourier Series

1 vote
1 answer
49 views

Naive algorithm questions: Fourier Series

1 vote
0 answers
42 views

Are all equivariant systems defined by an odd $f(x) = \dot{x}$?

1 vote
1 answer
283 views

Extra terms in Fourier series estimate

1 vote
1 answer
545 views

Linear Stability Analysis of Euler's Method