Artificial Bee Colony Algorithm
- 2023.07.17
- Incomplete
Viola–Jones Object Detection Framework
- 2023.07.17
- Image Processing Machine Learning
The Viola–Jones object detection framework is a machine learning object detection framework proposed in 2001 by Paul Viola and Michael Jones. It was motivated primarily by the problem of face detectio ...
{Function | Method} {Comments (註解) | Docstrings (說明)}
- 2023.07.17
- Python
Google Style def method(arg1[: type1][, arg2[: type2], ...])[ -> return_type]: """A one-line summary. An overall description, it may also contain a brief description and/or usage examples. A ...
模除｜剰余演算｜Modulo
- 2023.07.17
- Mathematics Modulo
Definition of a % n = r | a mod n = r $$ a = nq + r; \quad q, r \in \mathbb{Z} \quad |r| < |n| $$ In programming languages 程式語言 演算子 餘數的符號（正負） C (ISO 1999) % / div 與被除數相同 C++ (ISO 2011) % / div 與被除數 ...
Leetcode # 459. Repeated Substring Pattern
- 2023.07.17
- LeetCode
Problem n := len(s) Check 「∃ s’ = s[i:n], 0 < i < n s.t. s == s’ * k, k >= 2」 https://leetcode.com/problems/repeated-substring-pattern/ First Solution Time Complexity: O(len(s) * ...
Leetcode # 28. Find the Index of the First Occurrence in a String
- 2023.07.17
- Hash Function Knuth-Morris-Pratt (KMP) Algorithm LeetCode Rabin-Karp Algorithm String-Searching Algorithm
https://leetcode.com/problems/find-the-index-of-the-first-occurrence-in-a-string/ First Solution Time Complexity: O(len(haystack) + len(needle)) Space Complexity: O(len(haystack)) (The input and outpu ...
[Machine Learning] Regularization
- 2023.07.13
- Machine Learning Regularization
Regularization lets you keep all of your features, but they just prevent the features from having an overly large effect, which is what sometimes can cause overfitting. Cost Function with Regularizati ...
[Python] Logistic Regression with scikit-learn
from sklearn.linear_model import LogisticRegression ... # Fit the Model lr_model = LogisticRegression() lr_model.fit(X, y) # Make Predictions y_pred = lr_model.predict(X) # Calculate Accuracy print("A ...
[Calculus] Chain Rule
- 2023.07.13
- Calculus
$$ \frac{d g[f(x)]}{d x} \bigg|_{x = a} = \frac{d g(y)}{d y} \bigg|_{y = f(x)} \cdot \frac{d f(x)}{d x} \bigg|_{x = a} $$
[Python] Linear Regression with scikit-learn
scikit-learn is a free software machine learning library for the Python programming language. It features various classification, regression and clustering algorithms including support-vector machines ...
