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Vectorization of Linear and Logistic Regression

Posted on 2025-10-09 Edited on 2025-10-22 In AI Views: Word count in article: 2.5k Reading time ≈ 9 mins.

Vectorized Derivations of Linear and Logistic Regression
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Posted on 2025-10-07 Edited on 2025-10-22 In AI Views: Word count in article: 3.3k Reading time ≈ 12 mins.

This time let’s talk about Logistic Regression.
Readers need some concept of the natural logarithm.
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Posted on 2025-10-03 Edited on 2025-10-22 In AI Views: Word count in article: 2.4k Reading time ≈ 9 mins.

Simply recording something about linear regression and its mathematics.
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Posted on 2025-04-30 Edited on 2025-10-22 In Note Views: Word count in article: 265 Reading time ≈ 1 mins.

記錄一下今天面試的問題，發現沒有搞清楚矩陣以及行列(欄列)的定義。

Posted on 2024-04-16 Edited on 2025-10-22 In AWS Views: Word count in article: 1.1k Reading time ≈ 4 mins.

Migrating a Sanic backend from Linode VPC to AWS Lambda. >> [zhTW version] <<

Posted on 2023-08-01 Edited on 2025-10-22 In COSCUP Views: Word count in article: 114 Reading time ≈ 1 mins.

今年被公司推上去開講。

Posted on 2023-08-01 Edited on 2025-10-22 In PostgreSQL Views: Word count in article: 386 Reading time ≈ 1 mins.

過長的Replica節點查詢，因爲Primary節點執行vacuum指令導致列版本(row version)分岔，進一步引起查詢取消。

Posted on 2023-07-11 Edited on 2025-10-22 In AWS Views: Word count in article: 299 Reading time ≈ 1 mins.

在使用Amazon Linux AMI中的EC2使用EBS作為Swap。並結合Launch Template。

Posted on 2019-06-19 Edited on 2025-10-22 In Note Views: Word count in article: 2.5k Reading time ≈ 9 mins.

PPT寫的有夠爛，有夠難讀…

Posted on 2019-06-15 Edited on 2025-10-22 In Note Views: Word count in article: 2.1k Reading time ≈ 8 mins.

濟世第七章