Skill Topic · Cinematic

🔄 Backpropagation — Neural Network Kaise Seekhta Hai

Aliens School — AI Series #58 Hinglish mein Backpropagation samjho! 🚀

Overview

🔄 Backpropagation — Neural Network Kaise Seekhta Hai — Quick Facts

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Loss Function: Formula

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MSE (Mean Squared Error): Σ(y-ŷ)²/n

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Cross-Entropy: -Σ y·log(ŷ)

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Binary Cross-Entropy: -[y·log(ŷ) + (1-y)·log(1-ŷ)]

Topic 1

💡 Backpropagation Kya Hai?

🤖 ` ┌──────────────────────────────────────────────┐ │ FORWARD PASS: Input → Layers →…

Topic 2

🎯 Step-by-Step Process

🧠 ` STEP 1: FORWARD PASS ──────────────────── Input [1,0] → weights → Layer1 → Layer2 →…

Topic 3

⛓️ Chain Rule — Math Ka Secret

💡 Backpropagation Chain Rule pe based hai: `…

Topic 4

📈 Gradient Descent + Backpropagation

⚡ ` ┌──────────────────────────────────────────────┐ │ │ │ Loss │ │ ↑ ╲ │ │ │ ╲ ← Gradient…

Topic 5

⚙️ Learning Rate

🎯 ` ┌──────────────────────────────────────────────┐ │ Learning Rate (η) = step size │ │ │…

Topic 6

🔢 Loss Functions

🔮 | Loss Function | Formula | Use Case | |--------------|---------|----------| | MSE (Mean…

Topic 7

💻 JavaScript Example

🌐 `javascript // Simple Backpropagation (1 neuron) let weight = 0.5; let bias = 0.1; const…

Topic 8

🗺️ Complete Training Loop

📊 ` ┌─────────────────────────────────────────┐ │ TRAINING LOOP │ │ │ │ for each EPOCH (1…

Topic 9

❓ Quiz

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a) Data collect karna

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b) Error ko use karke weights…

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c) New data generate karna

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a) Physics

Quick Quiz

Quiz — Question 1

🔄 Backpropagation — Neural Network Kaise Seekhta Hai ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

🔄 Backpropagation — Neural Network Kaise Seekhta Hai ka 'MSE (Mean Squared Error)' kya hai?

Complete! 🎉

🔄 Backpropagation — Neural Network Kaise Seekhta Hai Complete!

Aliens School · HIEN · Cinematic Knowledge

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