Artificial Neural Networks

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Summary

Artificial neural networks are computer models inspired by how the human brain works, designed to recognize patterns and make predictions by processing data through interconnected layers of mathematical functions. These networks are foundational to many modern AI systems, powering everything from image recognition to language translation.

  • Explore architectures: Learn about different neural network types such as CNNs for images, RNNs for sequences, and Transformers for language to select the right model for your project.
  • Understand learning process: Neural networks improve their accuracy by continuously adjusting their internal settings based on feedback from mistakes, using techniques like backpropagation and gradient descent.
  • Build foundational skills: Experimenting with neural networks from scratch—using basic math and coding—helps deepen your understanding and prepares you to troubleshoot and innovate with AI models.
Summarized by AI based on LinkedIn member posts
  • View profile for Veejay Jadhaw

    CTO | CTPO | CEO-Track Executive | Technology & Product Leader | Fmr Microsoft Executive | AI, Cloud, SaaS, Data | Agentic AI | IPO & PE Partner | $10B Synergies | ARR Growth | 20 Patents | Global Transformation | Board.

    26,976 followers

    Demystifying AI / Neural Networks: What Every CTO, Executive & Board Should Know Neural networks are powering everything from ChatGPT to underwriting decisions to predictive maintenance—but they remain a black box to many execs. Here’s a strategic breakdown to help you lead confidently in the AI era 👇 ⸻ Neural Networks Aren’t Magic—They’re Pattern Machines Think of them as highly flexible function approximators. They don’t “think”—they learn patterns in data and generalize to make predictions or decisions. ⸻ Built in Layers, Trained to Adapt • Input layer: Raw data • Hidden layers: Extract signal from noise • Output layer: A decision (e.g., fraud or not, cat or dog, risk score, text) Each layer adjusts weights to minimize errors via backpropagation, turning trial-and-error into intelligence. ⸻ More Layers = Deeper Insight That’s “deep learning”—stacking layers to learn more abstract features. Shallow networks see pixels. Deep ones infer objects, context, or tone. This is why GPT models outperform traditional NLP systems. ⸻ Why Neural Nets Took Off Now The math isn’t new. What changed: • Access to massive data • Cloud-scale compute (GPUs/TPUs) • Open-source tooling (e.g., PyTorch, TensorFlow) It’s this convergence that unlocked today’s AI capabilities. ⸻ Not One Size Fits All • CNNs → vision (e.g. facial recognition) • RNNs → sequences (e.g. time series, speech) • Transformers → language (e.g. GPT, BERT, Copilot) Modern AI stacks mix these architectures to optimize outcomes. ⸻ The Strategic Risks Neural networks: ✅ Enable adaptive automation ✅ Extract insights from noisy, high-dimensional data ❌ Are data-hungry and compute-intensive ❌ Can propagate bias, hallucinate, or fail silently They’re powerful tools—but must be governed. ⸻ Why It Matters to the Boardroom Understanding neural networks helps you: • Align AI investments to real business levers • Avoid vendor buzzword traps • Ask the right questions around explainability, risk, and ROI • Build the data and ops maturity to scale AI responsibly ⸻ Final Thought: You don’t need to code neural networks—but you do need to understand their business potential, limitations, and governance implications. AI fluency is fast becoming a boardroom competency. #AILeadership #NeuralNetworks #CTO #EnterpriseAI #AgenticAI #LLM #AITransformation #DataStrategy #TechGovernance #DigitalInnovation #AIFluency #AIinBusiness #BoardroomAI

  • View profile for Justine Juillard

    Co-Founder of Girls Into VC @ Berkeley | Advocate for Women in VC and Entrepreneurship | Incoming S&T Summer Analyst @ GS

    47,770 followers

    AI sounds like magic but it’s just math, data, and a whole lot of neurons. ➡️ Day 4/30: Understanding Neural Networks (without needing a PhD) When people say “deep learning,” what they really mean is: neural networks. More specifically, deep neural networks. Networks made of many layers. But let’s back up. What is a neural network? At its core, a neural network is a mathematical model loosely inspired by the human brain. It’s made of layers of nodes (aka “neurons”) that process and pass along information. Each node takes in numbers, applies a simple formula (called an “activation function”), and passes the result to the next layer. Imagine it like this: – The first layer might look at pixel brightness – The next layer combines edges – The next layer combines shapes – Until finally the model can say: “Yep, that’s a cat.” It’s kind of like a giant game of telephone except at each step, the model gets better at understanding what it’s seeing or reading. So why “deep” learning? Because we stack multiple layers of neurons, sometimes dozens or even hundreds deep. Each layer extracts more abstract features from the data. For example, in an image… Early layers → edges and colors Mid layers → eyes, whiskers Later layers → “cat-ness” But how do neural networks learn? Not from explicit instructions. Rather, from data. You feed it examples (like 1,000,000 labeled cat photos). It makes predictions (e.g., “this is a dog”) Then compares that prediction to the actual answer (“nope, it was a cat”) And adjusts itself slightly. This process, called backpropagation, happens over and over until the model gets really good. Where do neural networks shine? – Vision (self-driving cars, medical imaging) – Language (ChatGPT, translation) – Speech (Siri, Alexa) – Gaming (AlphaGo) – Biology (AlphaFold predicting protein structures) One important note: just because neural networks are inspired by brains doesn’t mean they work like brains. They don’t have emotions, memories, goals, or consciousness. They’re just very complex pattern-matching machines. Still, they’re the engine behind almost everything exciting in AI right now. Tomorrow, I’ll go deeper into how large language models (LLMs) like ChatGPT actually work and how they build on top of neural networks. 👉 Follow Justine Juillard so we can keep learning about AI together. 26 days to go—and I feel like it’s starting to click for me.

  • View profile for Greg Coquillo
    Greg Coquillo Greg Coquillo is an Influencer

    AI Infrastructure Product Leader | Scaling GPU Clusters for Frontier Models | Microsoft Azure AI & HPC | Former AWS, Amazon | Startup Investor | Linkedin Top Voice | I build the infrastructure that allows AI to scale

    228,984 followers

    Understanding the four major neural network architectures is essential for selecting the right approach for your AI project. Each architecture (CNN, RNN, Transformer, and GNN) was created to address specific types of problems. They process information in different ways. Here’s how they work and when to use each one: 🔹1. CNNs are great at identifying patterns in visual data.  They use convolution filters to detect edges and extract patterns from images. Pooling layers then reduce dimensions while keeping important information. At the end, fully connected layers combine these features to make predictions. This makes CNNs ideal for image recognition, medical imaging, and any task where spatial relationships are important. 🔹2. RNNs are designed for sequential data like text and time series.  They process information step-by-step, maintaining a hidden state that carries context from previous steps. This allows them to handle sequences of varying lengths and understand dependencies over time. RNNs perform well in language translation, speech recognition, and financial forecasting where order is crucial. 🔹3. Transformers changed how we manage sequences by introducing the attention mechanism. Instead of processing data step-by-step like RNNs, they consider all parts of a sequence at once and determine which parts matter most for each prediction. This parallel processing makes them faster to train and better at capturing long-range dependencies. Transformers power modern language models like GPT and BERT. 🔹4. GNNs are tailored for graph-structured data where relationships between entities matter.  They start by initializing node features and then use message passing to share information between connected nodes. Through multiple layers, they gather neighbor data to capture both local and global graph patterns. GNNs excel at social network analysis, predicting molecular properties, and recommendation systems. The main point is that the choice of architecture depends on your data structure. Images have spatial relationships that CNNs handle effectively. Text has sequential dependencies that RNNs and Transformers approach differently. Graphs have network relationships that only GNNs can model appropriately. Most real-world applications now use multiple architectures. You might use a CNN to extract features from images and then feed those features into a Transformer for reasoning. Alternatively, you could use a GNN to model user relationships before applying RNN-based recommendations. #artificialintelligence

  • View profile for Abdullah Nabil

    AI & Data Science Specialist | Machine Learning Engineer | Full-Stack Developer (React | Laravel) | M.Sc. Business Information Systems | Scalable Intelligent Systems

    3,615 followers

    ARTIFICIAL NEURONAL NETWORKS, AND THE MATH BEHIND AI🌹❤️♥️ Artificial neural networks are, essentially, an attempt to translate biological intuition into the language of mathematical functions. Although we usually imagine connected "neurons", from a mathematical point of view we are in front of a universal approximation machine. Here I explain to you how the mathematical concepts that support them work, explained in a conceptual way: 1. The N-Dimension Space Imagine that every data we enter into the grid (an image, a price, a word) is a point on a map. In our everyday lives we use two-dimensional maps (x, y), but neural networks work on maps of billions of dimensions. The mathematical "magic" is finding the exact position of those points to be able to group them together. If the net sees photos of dogs and cats, their job is to draw a geometric "border" that separates the dog-dots from the cat-dots in that multidimensional space. 2. Weighting and Linear Combination Each neuron performs a weighing operation. Imagine you want to decide if you'll like a movie. You have several factors: director, gender and duration. To each factor you assign a "weight" (importance). The sum of those factors multiplied by their weights is what we mathematically call a linear combination. If the sum exceeds a certain threshold, the neuron "gets fired" and passes the information to the next layer. It's basically a large sum of relative importance. 3. The Non-Linearality: The "Fold" of Reality If we just made sums, neural networks could only solve very simple, "straight" problems. But the world is crooked and complex. To fix this, networks use activation functions. Mathematically, this acts as if we fold or fold the data map paper. By introducing these curves, the network can understand complex relationships where answers are not proportional to entries. 4. The Gradient Descent: Going Down the Mountain Learning is a process of optimization. At first, the network is constantly wrong. The "error" is mathematically visualized as a mountainous surface filled with valleys and peaks. The peak is a tall error. The deepest valley represents the minimum error (perfection). The network uses the calculation to figure out which direction it should take the next step to "descend" into the valley as quickly as possible. Adjust your weights little by little until it reaches the point where the error is almost zero. 5. Backpropagation is the "blame sharing" algorithm. When the network gives an incorrect response, the system travels from the backward output to the input. Mathematically, calculate how much each neuron contributed to the final error. If a neuron had a lot of "blame" of the failure, its weights adjust dramatically; if it barely influenced, they are left almost the same. It’s a process of constant fine-tuning that allows the system to “learn” from its own mistakes.

  • View profile for Sreedath Panat

    MIT PhD | IITM | 100K+ LinkedIn | Co-founder Vizuara & Videsh | Making AI accessible for all

    117,458 followers

    "𝗡𝗲𝘂𝗿𝗮𝗹 𝗡𝗲𝘁𝘄𝗼𝗿𝗸 𝗳𝗿𝗼𝗺 𝗦𝗰𝗿𝗮𝘁𝗰𝗵: 𝗡𝗼 𝗣𝘆𝗧𝗼𝗿𝗰𝗵 & 𝗧𝗲𝗻𝘀𝗼𝗿𝗙𝗹𝗼𝘄. 𝗝𝘂𝘀𝘁 𝗽𝘂𝗿𝗲 𝗺𝗮𝘁𝗵" Beneath the surface of AI that feels like magic, lies elegant mathematics and careful coding. For those who love to learn deeper, there's something incredibly satisfying about building a neural network from scratch—not using PyTorch or TensorFlow packages but with nothing but pure mathematics. If you have ever wanted to fully understand deep neural networks, this is your opportunity. I have created a 1-hour video on Vizuara’s YouTube channel, where we will understand and implement a neural network step-by-step: https://lnkd.in/gJQ5gtTN 𝗙𝗶𝗿𝘀𝘁 𝟯𝟬 𝗠𝗶𝗻𝘂𝘁𝗲𝘀: 𝗧𝗵𝗲𝗼𝗿𝘆 𝗮𝗻𝗱 𝗠𝗮𝘁𝗵 This segment goes into the equations and logic behind neural networks. 1) We start with the fundamentals—no shortcuts, no pre-built libraries. 2) Problem statement and dataset 3) Defining the neural network architecture by hand 3) Setting up forward propagation 4) What exactly is backpropagation, and why is it so central to deep learning? 5) Setting up the mathematical equations for gradient descent. 𝗡𝗲𝘅𝘁 𝟯𝟬 𝗠𝗶𝗻𝘂𝘁𝗲𝘀: 𝗣𝘆𝘁𝗵𝗼𝗻 𝗰𝗼𝗱𝗶𝗻𝗴 Here, you will see every line of code written from scratch—initializing weights, performing forward and backward passes, and updating the parameters using gradient descent. We will use NumPy, allowing us to manipulate arrays and matrices while staying close to the mathematical essence of neural networks. You will get a "high" if your from-scratch code works, and you see that you can make good predictions on the dataset. In a world where high-level libraries handle the heavy lifting, you might wonder, “Why bother with this hard way? I can do all of this in 10 lines of code which ChatGPT can give me.” Here’s why: 1) Deep understanding: Pre-built frameworks are powerful but abstract. Writing your own neural network forces you to understand how each component works together. 2) Debugging: When something goes wrong in a complex model, having a firm grasp of the fundamentals can save hours of frustration. 3) Foundational skills: Learning to code from scratch builds confidence and lays a solid foundation for more advanced topics like custom layers, optimizers, and model architectures. This lecture is perfect for anyone curious about AI and machine learning—whether you are just starting or looking to strengthen your foundational knowledge. You don’t need an extensive math background, just a willingness to learn and follow along. If this sounds like something you would enjoy, check out the full video. By the end, you will have your very own neural network running—not because a library did it for you, but because you built it with your own hands. Watch the full video here: https://lnkd.in/gJQ5gtTN Let’s make AI a little less magical and a lot more understandable. Let me know your thoughts after watching.

  • View profile for Arif Alam

    Exploring New Roles | Building Data Science Reality

    291,043 followers

    𝐇𝐨𝐰 𝐍𝐞𝐮𝐫𝐚𝐥 𝐍𝐞𝐭𝐰𝐨𝐫𝐤𝐬 𝐀𝐜𝐭𝐮𝐚𝐥𝐥𝐲 𝐖𝐨𝐫𝐤 Everyone keeps saying neural networks power AI, but very few can explain what that really means. 𝐓𝐡𝐢𝐧𝐤 𝐨𝐟 𝐚 𝐧𝐞𝐮𝐫𝐚𝐥 𝐧𝐞𝐭𝐰𝐨𝐫𝐤 𝐚𝐬 𝐚 𝐭𝐞𝐚𝐦 𝐨𝐟 𝐩𝐞𝐨𝐩𝐥𝐞 𝐩𝐚𝐬𝐬𝐢𝐧𝐠 𝐢𝐧𝐟𝐨𝐫𝐦𝐚𝐭𝐢𝐨𝐧. Each person represents a neuron. They receive some input, decide how important it is, tweak it a little, and pass it to the next person. By the time it reaches the last person in line, you get a final answer like this is a cat. 𝐇𝐞𝐫𝐞’𝐬 𝐭𝐡𝐞 𝐬𝐭𝐫𝐮𝐜𝐭𝐮𝐫𝐞 𝐢𝐧 𝐢𝐭𝐬 𝐬𝐢𝐦𝐩𝐥𝐞𝐬𝐭 𝐟𝐨𝐫𝐦: Input Layer → Hidden Layers → Output Layer ↓ ↓ ↓ Data In Learn Patterns Prediction Out Every connection has a weight basically, how much one neuron’s opinion affects another. At the start, these weights are random. Through training, the network adjusts them over and over until it starts recognizing patterns that make sense. 𝐋𝐞𝐭’𝐬 𝐭𝐚𝐤𝐞 𝐚𝐧 𝐞𝐱𝐚𝐦𝐩𝐥𝐞. You’re building a model to detect whether an image shows a cat or a dog. ↳ The input layer reads pixel values. ↳ The hidden layers start recognizing edges, shapes, and colors. ↳ The output layer predicts say, 0.9 cat, 0.1 dog. At first, it’s wrong most of the time. But here’s the thing it learns from every mistake. 𝐓𝐡𝐞 𝐥𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐩𝐫𝐨𝐜𝐞𝐬𝐬 𝐢𝐬 𝐩𝐮𝐫𝐞 𝐭𝐫𝐢𝐚𝐥 𝐚𝐧𝐝 𝐞𝐫𝐫𝐨𝐫. Each time the prediction is off, the network measures how far off it was. Then it tweaks all the weights just a little to do better next time. This loop repeats thousands of times until the guesses start hitting closer and closer to the truth. 𝐓𝐡𝐢𝐧𝐤 𝐨𝐟 𝐢𝐭 𝐥𝐢𝐤𝐞 𝐲𝐨𝐮 𝐥𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐭𝐨 𝐩𝐥𝐚𝐲 𝐜𝐫𝐢𝐜𝐤𝐞𝐭. You miss the ball at first, adjust your swing, and try again. Each shot gives feedback. Over time, your timing improves. That’s exactly what a neural network does it just practices millions of times faster. 𝐀𝐧𝐝 𝐭𝐡𝐞 𝐜𝐨𝐨𝐥 𝐩𝐚𝐫𝐭? Once trained, it can predict things in seconds. Feed it a photo, and it instantly says cat. Feed it a sound, and it hears speech. Feed it text, and it writes like a human. That’s the same core logic behind GPT, image generators, voice models, and almost every modern AI system. 𝐑𝐞𝐚𝐥 𝐬𝐞𝐜𝐫𝐞𝐭: Neural networks aren’t intelligent. They’re persistent. They fail, measure, and adjust millions of times until failure becomes accuracy. 𝐋𝐞𝐚𝐫𝐧 𝐝𝐞𝐞𝐩𝐞𝐫: ↳ Neural Networks Zero to Hero by Andrej Karpathy: https://lnkd.in/gnA7pdeP ↳ 3Blue1Brown’s Visual Intro: https://lnkd.in/gAcU_Udq ↳ Free Neural Network Playground: https://lnkd.in/g8YjmAj9 𝐓𝐋𝐃𝐑: A neural network takes data, adjusts itself after every mistake, and slowly learns to see patterns just like humans do. --- That's a wrap!! - Python 🐍 - AI/ML 🤖 - Data Science 🐼 - SW Dev 🛠 - AI Tools 🧰 - Roadmap ❗️ Find me → Arif Alam ✔️ Everyday, I share post on above topics. 📸/ @paulo

  • View profile for Renuka M.

    Data | AI | Founder, Latency & Latte | Motivation | Leadership

    14,386 followers

    🧠 Why AI is Called "Neural Networks" (It's About Your Brain!) Right now, as you read this, your brain is doing something amazing. Light hits your eyes. Neurons fire. Signals pass from neuron to neuron. Within milliseconds, you recognize letters, form words, and understand meaning. 86 billion neurons working together. Each one is simple. Together? They let you think, learn, and create. This inspired AI. Scientists asked: "What if computers could work like the brain?" They created artificial neural networks, simple units stacked in layers, connected like your neurons. How it works: Each artificial neuron: → Receives inputs (numbers) → Weighs their importance → Fires if the sum crosses a threshold Stack thousands together in layers = neural network. The learning part: Show it 1,000 cat pictures. It guesses wrong at first. Each mistake? It adjusts its internal weights. After thousands of tries, it learns the pattern. Why "deep" learning? Multiple layers building on each other: → Layer 1: Edges, colors → Layer 2: Shapes, textures → Layer 3: "That's a cat!" More layers = more complex patterns. The key difference: Your brain adapts, feels, and understands context. AI? Fixed math, repeated millions of times. Brilliant at patterns. Not thinking. Bottom line: Neural networks copy how your brain learns from experience. Simple math, massive scale, powerful results. 🧠 AI Basics Series - Part 1/8 Next: How AI Actually "Learns" from Data ⚡️━━━━━⚡️ 🔄 Repost if this clicked for you 🎯 Follow for practical AI insights 🎧 Deeper dives: Latency and Latte podcast → https://lnkd.in/gvjuJuGp

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  • View profile for Dipa Tapadar

    Driving Digital & Data Transformation in Life Sciences & Higher Ed | GenAI & AI/ML | Salesforce & Veeva | ERP/CRM Modernization | Cloud Strategy (AWS) | Enterprise Portfolio Leadership | Regulatory-First Architecture

    1,829 followers

    🤖 "Decoded: Deep Learning, One Algorithm at a Time" A LinkedIn series unpacking the brains behind the AI revolution 🔹 Post 1: The Backbone of Deep Learning — Artificial Neural Networks (ANNs) 🧠 Before we dive into Transformers, LSTMs, or GANs… let’s go back to where it all began. Artificial Neural Networks (ANNs) are the foundational building blocks of deep learning. Inspired by how our brains work—but simplified into math—they’re made up of digital neurons that “fire” when they recognize patterns. But here’s the cool part: They don’t just store information. They learn from it. 💡 The recipe? Neurons + Weights + Biases + Activations = Magic But it’s not really magic. It’s feedback loops, errors, and constant adjustment. Let’s break it down: 🔹 Input Layer – Where data enters the system. Think images, text, or numbers. 🔹 Hidden Layers – Where the learning happens. Each neuron connects to others, adjusting weights to find hidden patterns. 🔹 Output Layer – Where predictions happen: "fraud" or "not fraud"? Positive or negative sentiment? Tumor or no tumor? 🔍 Today, ANNs are used in: ✔️ Fraud detection ✔️ Sentiment analysis ✔️ Medical imaging ✔️ Stock predictions ✔️ Recommendation engines ✔️ … and yes, even your favorite song on Spotify 🎶 What’s mind-blowing? The same basic structure powers tools like ChatGPT, image classifiers, and self-driving cars. All from layers that pass signals, tweak numbers, and reduce error over time. ⚡ My personal “aha!” moment? Realizing that a few neurons connected in layers could recognize handwritten digits with near-human accuracy. 🤯 It wasn’t just math—it felt like intelligence emerging from structure. 👉 So, what was YOUR first mind-blowing moment learning about neural networks? Drop it in the comments. Let's bring others into the world of Deep Learning, one spark at a time. #DeepLearning #NeuralNetworks #AI #MachineLearning #ArtificialIntelligence #LearningAI #TechExplained #BackToBasics #FraudDetection #SentimentAnalysis #ANN #LinkedInSeries #AICommunity

  • View profile for Shreya Saravanan

    Data & AI Engineer | Software Engineer @Amdocs | MS in Engineering Management | Northeastern University

    3,463 followers

    🌟 Day 30 of My 90-Day AI Learning Journey 🌟 𝗔𝗰𝘁𝗶𝘃𝗮𝘁𝗶𝗼𝗻 𝗙𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀 (𝗥𝗲𝗟𝗨, 𝗦𝗶𝗴𝗺𝗼𝗶𝗱, 𝗧𝗮𝗻𝗵) In a neural network, 𝗮𝗰𝘁𝗶𝘃𝗮𝘁𝗶𝗼𝗻 𝗳𝘂𝗻𝗰𝘁𝗶𝗼𝗻𝘀 are what make the model think 𝗻𝗼𝗻-𝗹𝗶𝗻𝗲𝗮𝗿𝗹𝘆 - allowing it to capture complex relationships beyond simple patterns. Without them, a deep network would just behave like a linear regression, no matter how many layers it had. Here’s how they work 👇  𝟭. 𝗦𝗶𝗴𝗺𝗼𝗶𝗱: The Sigmoid function 𝘀𝗾𝘂𝗮𝘀𝗵𝗲𝘀(compresses or maps) any input value into a range between 0 and 1. 𝗪𝗵𝘆 𝗶𝘁’𝘀 𝘂𝘀𝗲𝗳𝘂𝗹:  • It outputs probabilities - great for binary classification problems   • For example, an input of 3 might become 0.95 (very likely “spam”), while -3 becomes 0.05 (likely “not spam”).  𝟮. 𝗧𝗮𝗻𝗵 (𝗛𝘆𝗽𝗲𝗿𝗯𝗼𝗹𝗶𝗰 𝗧𝗮𝗻𝗴𝗲𝗻𝘁): The Tanh function is similar to Sigmoid but outputs values between -1 and 1. 𝗪𝗵𝘆 𝗶𝘁’𝘀 𝗯𝗲𝘁𝘁𝗲𝗿:  • Because its output is zero-centered (half positive, half negative), it helps neurons learn faster - especially when dealing with inputs that have both positive and negative patterns.  𝟯. 𝗥𝗲𝗟𝗨 (𝗥𝗲𝗰𝘁𝗶𝗳𝗶𝗲𝗱 𝗟𝗶𝗻𝗲𝗮𝗿 𝗨𝗻𝗶𝘁) The ReLU function is beautifully simple. 𝗪𝗵𝘆 𝗶𝘁’𝘀 𝗮 𝗴𝗮𝗺𝗲-𝗰𝗵𝗮𝗻𝗴𝗲𝗿: It keeps positive values unchanged but turns all negatives to zero. This introduces non-linearity while avoiding saturation. Gradients remain large for positive inputs, helping networks train faster and deeper. 𝗕𝗲𝗻𝗲𝗳𝗶𝘁𝘀:  • Computationally efficient   • Encourages 𝘀𝗽𝗮𝗿𝘀𝗲 𝗮𝗰𝘁𝗶𝘃𝗮𝘁𝗶𝗼𝗻𝘀 (only some neurons 𝗳𝗶𝗿𝗲 - produces a nonzero output, making models efficient)  • Works extremely well in practice - default in modern architectures (CNNs, Transformers, etc.)  → 𝗩𝗮𝗻𝗶𝘀𝗵𝗶𝗻𝗴 𝗚𝗿𝗮𝗱𝗶𝗲𝗻𝘁 𝗣𝗿𝗼𝗯𝗹𝗲𝗺 (𝗦𝗶𝗴𝗺𝗼𝗶𝗱 & 𝗧𝗮𝗻𝗵) When neural networks learn, they adjust weights by calculating gradients - essentially “how much to change” each parameter to reduce errors. When the input is 𝘃𝗲𝗿𝘆 𝗹𝗮𝗿𝗴𝗲 𝗼𝗿 𝘃𝗲𝗿𝘆 𝘀𝗺𝗮𝗹𝗹, the curve becomes almost flat - meaning the derivative (slope) is close to zero.  → 𝗪𝗵𝘆 𝘁𝗵𝗶𝘀 𝗶𝘀 𝗮 𝗽𝗿𝗼𝗯𝗹𝗲𝗺: If gradients become very small, each training step barely changes the weights. As the signal moves backward through many layers (backpropagation), it keeps shrinking until it’s almost gone. The network stops learning effectively, especially in deep architectures.  → 𝗡𝗲𝘂𝗿𝗼𝗻 𝗦𝗮𝘁𝘂𝗿𝗮𝘁𝗶𝗼𝗻 (𝗧𝗮𝗻𝗵) “Saturation” means the neuron’s output gets stuck at its extreme value - near 1 or -1. When this happens, the gradient there is nearly zero, so the neuron doesn’t update its weights during training. That’s why deeper networks with Sigmoid or Tanh activations often learn slowly or get stuck - prompting the rise of ReLU, which avoids these issues by keeping gradients alive for positive inputs. #DeepLearning #AI #MachineLearning #NeuralNetworks #DataScience #GenerativeAI #OpenToWork

  • View profile for Abhishek Soni

    Global Account Executive @ Capgemini | Executive Stakeholder Engagement | Portfolio Management | GTM for Global Telco | Alliance | Digital Transformation | GenAi | Enterprise AI

    4,203 followers

    🧠 From Basics to Brilliance Neural Networks 101: The Brain Behind Modern AI — and Why It Matters in Telecom Let’s decode the engine room of modern AI — Neural Networks. Inspired by the human brain, they’re designed to learn from data, identify patterns, and make decisions — all by mimicking how neurons fire and connect. But let’s simplify: Imagine Neural Networks like an F1 car’s pit crew team: Every node (neuron) has a role, every layer is a team in sync — analyzing, adjusting, and optimizing in milliseconds to keep the system performing at its best. In AI terms? Neural Networks handle the complex data signals of today — just like the pit crew tunes for speed, precision, and real-time feedback. Lets contextualize this for world of Telecom now? 🔹 Network Anomaly Detection: Neural nets can spot unusual patterns in traffic — identifying outages or cybersecurity threats before they happen. 🔹 Customer Experience Optimization: Predicting when a customer is likely to churn based on behavior and interaction patterns — and triggering proactive interventions. 🔹 Speech Recognition for Virtual Agents: AI-powered voice bots trained on neural networks improve accuracy in understanding regional dialects and telecom-specific queries. 🔹 Dynamic Pricing & Product Recommendations: Based on usage history, location, and real-time demand — neural nets personalize offers at scale. 🔹 5G Predictive Maintenance: Analyzing sensor data from towers and infrastructure to forecast when and where faults may occur — reducing downtime dramatically. Neural Networks aren’t just behind-the-scenes engines, they’re the formula powering how telecoms evolve in real time. Being in tech, we’re no strangers to terms like “Neural Networks,” often used interchangeably with buzzwords like Deep Learning and GenAI. But knowing what it truly is - and how it drives the future of CX, OSS/BSS intelligence, and network agility, separates leaders from bystanders. And here’s a fun twist: In an F1 race, the pit crew doesn’t just react - they predict, adapt, and learn with every lap. That’s exactly how Neural Networks operate: Not just fast, but smart. Not just smart, but always learning. Now that we’ve understood the brain behind the AI engine… Next up? lets talk what are the different types of neural networks (CNNs, RNNs, Transformers) — and how they're shaping new use cases in Telco and beyond. #FromBasicstoBrilliance #DailyAIUnwrap #NeuralNetworks #GenAI #AgenticAI #AIinTelecom #TelcoTransformation #CX #F1Analogy #AIforBusiness Capgemini Capgemini Telecommunications Kosha Majmundar GSMA OpenAI Analytics Vidhya Towards Data Science

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