How a Linux System Boots up
This post elaborates the boot process of a Linux system. For details, read the bootup man page or Click here to read it online.
Functions or Mappings
Introduces the concept of function or mapping in mathmatics.
Local Flatness of a Sphere in 3-D Euclidean Space
In 3-D Euclidean space, a sphere can be locally approximated as a plane. The proof is as follows.
Guided Backpropagation
Sources:
- Deconvolution 2013 paper
- Guided Backpropagation 2015 paperhttps://arxiv.org/abs/1412.6806)
Code: Jax Feature Attribution Methods
Class Activation Mapping (CAM) Methods
Sources:
- Grad CAM (and Guided Grad CAM) 2015 paper
- CAM 2015 paper (Bolei Zhou)
- Guided Backpropagation
Code: Jax Feature Attribution Methods
Logical Volume Manager (LVM) in Linux
Sources:
- Logical Volume Manager (LVM) versus standard partitioning in Linux
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->Image source
Manifold Learning
The note is an over-simplified brief about manifold learning in AI.
Source:
- Yubei Chen’s talk on unsupervised learning.
- Nonlinear Dimensionality Reduction by Locally Linear Embedding 2000 paper.
Most of the figures in this article are sourced from Yubei Chen’s course, EEC289A, at UC Davis.

Sparse Coding
Source:
- Yubei Chen’s talk on unsupervised learning.
Most of the figures in this article are sourced from Yubei Chen’s course, EEC289A, at UC Davis.