Core Components:

1. Lexical Analyzer
2. AST Parser
3. Interpreter (use visitor pattern to traverse the AST)
4. Symbol table
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开始阅读git权威指南

第一章：

1、diff和patch的联合使用

2、cvs -> svn -> git

第二章和第三章：

废话太多，过

继续啃PRML
第八章：
Basic notation:
node –> random variable or group of random variables
link –> probabilistic relation ship
notation of random var and non-random var, observed and unobserved var
Conditional Independence:
three example: block means independent conditionally

1. tail-tail, observed(block), unobserved(unblock)
2. head-tail, observed(block), unobserved(unblock)
3. head-head, observed(unblock), unobserved(block)

继续PRML

第二章：

Binary Variables:

• Bernouli Distribution, binomial distribution
• conjugate prior –> beta distribution

最近刚刚看完Ng的machine learning，想再加一点料，于是拿起PRML，开始啃。。。

第一章：

Polynomial Curve Fitting:

• regression, error function, RMS(root-mean-square),overfitting

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