The Sigmoid Function: Foundation of Neural Network
Author(s): Niraj Originally published on Towards AI. Series: Foundation of AI — Blog 1 Every modern neural network stands on mathematical pillars. One of the most important is the sigmoid activation function. It’s not just a formula; it’s the bridge between linear …
DoodlAI- Build a Real-Time Doodle Recognition AI with CNN
Author(s): Abinaya Subramaniam Originally published on Towards AI. Have you ever wondered if a computer could recognize your doodles of cats, trees, cars, or even clocks, as you draw them? That’s exactly what DoodlAI does. In this blog, I’ll take you step …
Why AI Keeps Making Stuff Up: The Science Behind LLM Hallucinations 🧠
Author(s): MahendraMedapati Originally published on Towards AI. Hook: When Smart AI Says Dumb Things 🤯 Picture this: You’re using ChatGPT to research Adam Tauman Kalai’s birthday for a project. The AI confidently tells you it’s March 7th. You ask again to double-check …
The Matrix Mathematics Behind AI: How LLMs Think Through Linear Algebra
Author(s): MahendraMedapati Originally published on Towards AI. 🚀 The Hidden Language of AI Imagine you’re chatting with ChatGPT, and it responds with a perfectly crafted poem or solves a complex coding problem in seconds. What’s happening under the hood? The answer might …
LangGraph Beginner to Advance: Part 3: Multi-Entries Inputs for State in LangGraph
Author(s): Talib Originally published on Towards AI. So now we’re about to build our second graph as you can see here. And it’s again quite similar to the first graph we built except now we’re going to be able to pass multiple …
The Secret Zoo of Numbers Behind Every Tech Breakthrough
Author(s): Jose Crespo, PhD Originally published on Towards AI. From quantum to AI and beyond, every tech advance is built on numbers you never imagined. Contrary to the way traditional math is often taught — overcomplicated, abstract, and detached from reality — …
Agentic Design Patterns You Must Know in 2025
Author(s): Hamza Boulahia Originally published on Towards AI. Agentic Design Patterns You Must Know in 2025 Designing a well-performing AI agent can be a tricky task, especially because the Agentic AI field is relatively new and agent architectures are constantly evolving which …
Beyond ML Loss Function: Cost Functions and Hypothesis Testing in Supply Chain
Author(s): Siddharth Mahato Originally published on Towards AI. Understand how Cost Functions and Statistics can help you go beyond accuracy with visuals and examples. Source: Image on Unsplash Manufacturing is a large and crucial part of the economy. It involves processing and …
How to Perform Comprehensive Large-Scale LLM Validation
Author(s): Eivind Kjosbakken Originally published on Towards AI. Learn how to validate large-scale LLM applications Output validation and evaluations are critical to ensuring robust, high-performing LLM applications. However, such topics are often overlooked in the greater scheme of LLMs. This infographic highlights …
The Railway Paradox: Why Shipping Code Beats Managing Servers
Author(s): R. Thompson (PhD) Originally published on Towards AI. An AI/ML philosopher’s guide to developer-first infrastructure and the small, decisive moves that let creators win. There is a peculiar logic to modern software: the fewer hours you spend wrestling with servers, the …
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