Brain dump


Heliosphere

October 29, 2020
Astronomy

The bubble, created by the Sun’s plasma (see Solar Wind), which encompasses the Sun itself. Outside of this …

Kronecker Delta

October 29, 2020
Math

\begin{equation} \delta_{ij}= \begin{cases} 0 & \text{if i \(\neq\) j}\\\ 1 & \text{if i \(=\) j} \end{cases} …

Bases

October 29, 2020
Linear-Algebra Math

a basis for an n-dimensional vector space V is any ordered set of linearly independent vectors \((\mathbf{e}_{1}, …