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Gus's user avatar
Gus's user avatar
Gus
  • Member for 13 years, 6 months
  • Last seen more than 1 year ago
35 votes
5 answers
23k views

Gram matrix invertible iff set of vectors linearly independent

8 votes
1 answer
7k views

Arrow in limit operator

6 votes
2 answers
3k views

Create a trapping region for Lorenz Attractor

5 votes
3 answers
218 views

notation to avoid repetition in matrix expressions (e.g xx' and x'Ax)

5 votes
0 answers
212 views

Henon's trick on ODEs without using differential notation

4 votes
2 answers
6k views

Singular Distribution

4 votes
2 answers
879 views

Using complex exponentials as solution of ODE

3 votes
1 answer
3k views

Determine a conserved quantity in a dynamical system Lotka-Volterra

3 votes
1 answer
443 views

Express implicit equation explicitly

2 votes
1 answer
2k views

Frequency Swept sine wave -- chirp

2 votes
1 answer
341 views

What is $\text{cov}(Y,Y)$ given $\text{cov}(X,Y)$ and $\text{cov}(X,X)$

2 votes
2 answers
425 views

Logarithm of a matrix, with a matrix as the base: Find $x$ in $\mathbf{A}^x = \mathbf{B}$

2 votes
0 answers
158 views

Cartesian product of simplices e.g. stochastic matrices

1 vote
1 answer
231 views

Distance between a cone and a line

1 vote
0 answers
23 views

embeddings of Khalimsky line into $\mathbb{R}$ matching with cubical complex digital geometry

1 vote
1 answer
48 views

count "informative" paths in tree

1 vote
0 answers
222 views

connection among big-M, Lagrangian, Pentalty Method, and Augmented Lagrangian

1 vote
1 answer
435 views

Moments on number of occurrences of substring

1 vote
1 answer
522 views

System of Non-linear ODEs -- Analytic Solution