Wiki Article · Cinematic

Loss Function

Loss function (jise cost function ya objective function bhi kehte hain) ek mathematical function…

Overview

Loss Function — Quick Facts

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Property: Detail

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Category: Machine Learning / Optimization /…

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Also Called: Cost Function, Objective Function,…

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Domain: AI, Machine Learning, Deep…

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Infobox

📚 | Property | Detail | |---|---| | Category | Machine Learning / Optimization /…

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Itihaas aur Background

💡 Mathematical Foundations Loss function ka concept machine learning se bahut pehle se…

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Kaise Kaam Karta Hai

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Predicted value (ŷ) — model ki…

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Actual value (y) — ground truth /…

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Squared difference: chhoti errors…

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Absolute difference: sab errors ko…

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ML Training Loop me Role

⭐ Loss function ML training loop ka central feedback mechanism hai: 1. Forward Pass: Input…

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Training Loop Diagram

🔑 `mermaid flowchart TD A[Input Data<br>Features X] --> B[Model<br>Forward Pass] B -->…

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Types of Loss Functions — Regression

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MSE: Agar prediction 10 units off…

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MAE: Agar prediction 10 units off…

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Types of Loss Functions — Classification

🌟 Classification problems me output category/class hota hai (spam/not-spam, cat/dog/bird):…

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Loss Function Selection Guide

🚀 | Task | Output Type | Recommended Loss | Why | |---|---|---|---| | House price…

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Training Loss vs Validation Loss

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Model jo data "dekh" raha hai us…

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Training ke saath continuously…

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Agar decrease nahi ho rahi —…

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Unseen data (validation set) par…

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Regularization aur Loss

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$R(w) = \sum |w_i|$ (weights ki…

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Effect: kuch weights exactly zero…

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Sparse models banata hai

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$R(w) = \sum w_i^2$ (weights ke…

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Custom Loss Functions

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Domain-specific requirements:…

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Business objectives: Revenue…

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Multi-objective: Ek hi model ko…

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Weighted Cross-Entropy: Specific…

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Use Cases

⭐ 1. Image Classification: Cross-entropy loss — model sikhta hai ki image me cat hai, dog…

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Fayde (Benefits)

🔑 1. Quantifiable Feedback: Loss function model performance ko ek single number me measure…

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Challenges

✨ 1. Wrong Loss Selection: Galat loss function se model galat cheez optimize karega —…

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Glossary

🌟 | Term | Meaning | |---|---| | Loss Function | Mathematical function jo predicted aur…

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Disclaimer

🚀 Yeh article sirf educational aur informational purposes ke liye hai. Loss function ek…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

Loss Function ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

Loss Function ka 'Category' kya hai?

Complete! 🎉

Loss Function Complete!

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Loss Function Complete

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