PBS and Maui
Introduction Portable batch system (PBS) was originally developed by NASA, which is comprised of a resource manager, a scheduler and a client. What is different, a resource manager and a scheduler …
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C++ - Armadillo
Introduction Armadillo1 is an excellent C++ library, which provides efficient linear algebra related operations, based on a series of classes, e.g., for vectors, matrices, etc. Thanks to its friendly …
K - Means Clustering
K - Means is a classical clustering algorithm, targeting intra-cluster close resemblance and inter-cluster difference. Without loss of generality, the procedure of assigning $n$ samples to $k$ …
English Study
发音 元音字母和辅音字母 在英文的26个字母中，有5个元音字母，分别为 a, e, i, o, u; 剩下的21个字母为辅音字母。 开音节和闭音节 开音节单词: 以元音字母结尾的单词 闭音节单词: 以辅音字母结尾的单词 通常，辅音字母的发音较单一，而元音字母的发音相对复杂。元音字母的发音有长音(也即字母本身的音)和短音，通常在开音节单词中发长音，在闭音节单词中发短音。 元音字母 a e i o …
Electromagnetic Field (EMF)
Maxwell's equations without free charge \begin{align*} \nabla \times \mathbf{E} &= -\mu \frac{\partial \mathbf{H}}{\partial t} \\ \nabla \times \mathbf{H} &= \epsilon \frac{\partial …
Python - Concurrent
Python has 2 builtin concurrent utilities which is widely utilized, i.e., process pool and thread pool, dedicated to CPU intensity and I/O intensity respectively. Due to global interpreter lock …
Python - Argument Parser
Package argparse is a convenient utility for argument parsing, in which class ArgumentParser is defined. Concerning its usage, a simple example can be given as follows. from argparse import …
Orgmode - Beamer
Emacs's builtin utility, orgmode can export an orgmode file to beamer slides. A template for beamer can be used directly. In the export, text between a pair of stars will not be exported to …
MMSE-based Channel Estimation
Regarding channel estimation, minimum mean square error (MMSE) is a popular algorithm widely utilized in a variety of applications. This short document is just written to reveal the rationale between …
LaTeX - Beamer
Beamer is a convenient \LaTeX package for high quality slides. A template can be shown as follows. \documentclass[t, compress, red, 10pt, aspectratio=169, allowframebreaks]{beamer} …