Last modified: Jun 11 2026 at 12:54 PM • 1 min read

Week 2: Neural Networks Basics

Neural network programming turns out to be not much more complicated than traditional programming.

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Table of contents

• What is a Neural Network?
• Logistic Regression
• Logistic Regression Cost Function
• Gradient Descent
• Logistic Regression Gradient Descent
• Gradient Descent on m Examples
• Vectorization
• More Vectorization Examples
• Vectorizing Logistic Regression
• Vectorizing Logistic Regression's Gradient Output