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JMJ's user avatar
JMJ's user avatar
JMJ's user avatar
JMJ
  • Member for 8 years, 6 months
  • Last seen more than a month ago
20 votes

Motivation for the rigour of real analysis

17 votes

Integrate without expansion?

16 votes
Accepted

What is the difference between optimal control and robust control?

7 votes

Proof explanation: when to use a particular methodology of proof

6 votes
Accepted

Can quaternions be used to represent rotation rate?

5 votes

Convert quaternion to spherical coordinates

5 votes

Is there an easy way to evaluate this complex integral without partial decomposition?

4 votes

What is the mathematical foundation of Control Theory?

4 votes
Accepted

All the possible values for $\int_C \frac{dz}{z(z^2-1)}$

4 votes
Accepted

If a matrix $Q$ is symmetric and positie definite, is it possible to show that the matrix $Q-A^T(AQ^{-1}A^T)^{-1}A$ is also positive definite?

4 votes
Accepted

Characteristic functions as a Fourier transform

4 votes

Looking for a control theory textbook for a friend

3 votes
Accepted

The meaning of spacecraft attitude represented in quaternion

3 votes

Prove that RX is an ideal of R

3 votes

Why is $\ln(1-x) \approx -x$ when $x$ is small?

3 votes

$U\times W$ isomorphic to $V$?

3 votes
Accepted

Orbits / phase space for ODE.

3 votes
Accepted

Let $a,b,c,d$ be $∈ ℝ$ and let A=$\begin{pmatrix}a & b \\ c & d\end{pmatrix}$

3 votes

Stability analysis of the dynamical system $\ddot{x}+b\dot{x}+K x-\|\dot{x}\| \frac{x-x_i}{\|x-x_i\|^2}=0$ .

2 votes

Calculating $\lim_{n \to \infty}\frac{1*2+2*3+...+n(n+1)}{1*3+3*5+...+(2n-1)(2n+1)} $

2 votes
Accepted

State space description of platooning cars.

2 votes
Accepted

How to rotate unit vectors and unit quaternions by unit quaternions?

2 votes
Accepted

Computing the gradient of quadratic form

2 votes
Accepted

Exercise about eigenvalue

2 votes

why is the second derivative written as $\frac {d^2 f}{dx^2}$ rather than $\frac {d^2f}{d^2x}$?

2 votes

Equivalence classes "mod" a function

2 votes

What is the next step in this algebra problem?

2 votes

Interesting ODEs on Lie groups

2 votes
Accepted

Decay Constant for Normalized Exponential Time Decay with Constraint on Output at given time

2 votes

Continuous map from $SO(3)$ to angles

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