## [Notes] Cracking the GRE Mathematics Subject Test – Steve Leduc

Page 172: http://farside.ph.utexas.edu/teaching/sm1/lectures/node36.html#e4.32

## [Notes] Learning From Data – A Short Course: e-Chapter 8

Page 29 “Then, at least one of the will be strictly positive.”. Please refer to the constraint .

## [Notes] Learning From Data – A Short Course: e-Chapter 7

Page 18: Need an explanation for . Page 20: : is number of node in the first layer, is number of node in the input layer. Here is my guess: Each input node must connect to at least one node in the first layer (that is ). So the first input node can choose one in [...]

## [Book Note] Computer Vision: A Modern Approach (2nd Edition)

Page 458: I’m not sure if I interpret the statement right but here is my guess: One of the risk function in the example should look like this: . Page 459: The cost when an is refused to decide is: . The following arguments are applied for the Algorithm 15.1: If then we will rather to fail [...]

## Setting up VPS as a web server notes

Setting up a secure Ubuntu LAMP server has an amazing article. However, it is a little outdated: UFW: In case VPS kicks you out even though you have allowed SSH port: [How to] Configures Iptables with INPUT rules (with dynamic NBD). Apache2: You should find 000-default site instead of default. All the site configuration should be ended by [...]

## Backward Chaining implementation as State Space Search problem

To me, Backward Chaining implementation can be viewed as a state space search problem. In this problem, a state consists two components: (Path, Goals) Path is the list of ordered rules that are used. Goals is the set of facts that currently need to be deduced. An available action at a state is a applicable [...]

## Linear vs Non-linear

I had been searching for the answer to what is linear and what is non-linear, and the article on The Minitab Blog is the best in my opinion: It gives the exact definition what is a linear model / equation / function. However, I believe that the official definition of linear should be found in some [...]

## [Book Note] Learning From Data – A Short Course

This book should be read along with watching its corresponding online course. However, you should not watch the online course alone. The Bin Model PAGE NOTE Page 19: Reference: Malik Magdon-Ismail. Page 31: y here is a random variable. Reference: Malik Magdon-Ismail, The Elements of Statistical Learning page 28. Page 32: “we will assume the target to be a [...]

## Sticky Note of Questions

KNOWLEDGE REPRESENTATION http://groups.csail.mit.edu/medg/ftp/psz/k-rep.html MACHINE LEARNING Có vấn đề nào có thể giải quyết bằng Supervised Learning mà không thể giải quyết bằng Unsupervised Learning không? ANSWER. In Bias-Variance Decomposition, what if the hypothesis set is more complex than the hypothesis and the average final hypothesis is far from target function than ? It looks like [...]

## Thuật giải A*

Dưới đây là trích một phần bài tập thực hành Trí tuệ nhân tạo. Lưu đồ và mã giả của thuật giải A* Close hay Examined? Tập hợp Close là tập hợp những đỉnh đã từng có tổng chi phí nhỏ nhất tập hợp Open. Tập hợp Examined là tập hợp những đỉnh đã được [...]