1 files changed, 73 insertions, 1 deletions
diff --git a/README.md b/README.md
index 4e5b017..9a28042 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,73 @@
-# cs229-notes
-\ No newline at end of file
+# CS229 Study Notes
+
+A collection of concise LaTeX notes for Stanford CS229 Machine Learning course.
+
+## 📚 Contents
+
+### Current Notes (June 26, 2025)
+- **Maximum Likelihood Estimation (MLE)** - Theory and definitions
+- **Linear Regression** - Normal equation and gradient descent
+- **Gradient Descent Example** - Step-by-step calculation with 3 data points
+- **ML Framework** - Model → Algorithm → Parameters pipeline
+- **Loss Functions** - Regression and classification examples
+- **Model Complexity** - Bias-variance tradeoff with visualization
+- **Generalization Error** - Continuous and discrete definitions with mathematical derivations
+
+## 🗂️ Project Structure
+
+```
+cs229-notes/
+├── 2025-06-26/                    # Daily notes folder
+│   ├── 2025-06-26-notes.tex      # LaTeX source (7.4KB)
+│   ├── 2025-06-26-notes.pdf      # Compiled PDF (4 pages, 270KB)
+│   └── model-complexity-diagram.png  # Visualization diagram (100KB)
+├── .vscode/                       # LaTeX Workshop configuration
+│   └── settings.json             # Editor settings for LaTeX
+├── template.tex                   # LaTeX template for new notes
+├── template.pdf                   # Template example (2 pages)
+├── main_notes.pdf                 # Additional reference material
+└── README.md                      # This file
+```
+
+## 🛠️ Compilation
+
+### Manual Compilation (Recommended)
+```bash
+cd 2025-06-26
+pdflatex -interaction=nonstopmode 2025-06-26-notes.tex
+```
+
+### Using LaTeX Workshop (VS Code/Cursor)
+- Configure LaTeX paths in `.vscode/settings.json`
+- Use `Cmd + Option + B` to build
+
+### Using the Template
+1. Copy `template.tex` to your new date folder
+2. Rename it (e.g., `2025-06-27-notes.tex`)
+3. Update title and date in the document
+4. Replace example content with your notes
+5. Compile using the methods above
+
+## 📖 Features
+
+- **Concise Format** - Key concepts without excessive explanation
+- **Mathematical Rigor** - Complete derivations with integrals and summations
+- **Visual Aids** - Diagrams for complex concepts
+- **Practical Examples** - Numerical calculations with real data
+- **Organized Structure** - Daily folders for easy navigation
+- **Optimized Layout** - Compact margins and spacing for efficient page usage
+- **Ready-to-Use Template** - Pre-configured template with common structures
+
+## 🔧 Requirements
+
+- LaTeX distribution (BasicTeX/MacTeX)
+- pdflatex and latexmk
+- graphicx package for images
+
+## 📝 Author
+
+Yuren H
+
+## 📅 Last Updated
+
+June 26, 2025
+\ No newline at end of file