Alias Sampling
Two brilliant posts on this sampling technique:
Recent Posts
Python: global declaration not needed in main
```python DATA_DIR = “./data”
Pandas: How to check if two DataFrames are equal
Suppose those 2 DataFrames has identical column names.
Scaling / Normalization / Standardization
1. Scaling
Isometry
Definition
Homeomorphism / Open Map / Close Map / Embedding
Homeomorphism
Terminology Recap: Functions
这些个术语总是见到，也总是记不住……
PyTorch: Computational Graphs
首先感谢有 PyTorchViz 这个项目 (依赖 Graphviz) 使得我们可以画出 PyTorch 的 computational graph。PyTorch 自己好像并没有 built-in 的机制来做这件事情。
SVD: Singular Value Decomposition
这次我们从结论出发反推。
Eigenbasis / Eigenspace
Given a eigenvalue $\lambda$ of matrix $A$, the null space (kernel) of $A - \lambda I$ is called the eigenspace of $A$ associated with $\lambda$.