Multi-Layer Networks and Activation Functions

แชร์
ฝัง
  • เผยแพร่เมื่อ 4 ธ.ค. 2024

ความคิดเห็น • 4

  • @anantchopra1663
    @anantchopra1663 4 ปีที่แล้ว +1

    You really make neural networks seem very easy, Prof. Kutz! It's amazing how you're able to explain such a complicated topic with such simplicity and ease!

  • @Dapa-q8g
    @Dapa-q8g ปีที่แล้ว

    🎯 Key Takeaways for quick navigation:
    00:17 🧠 Neural network architectures involve input-output mappings for tasks like classification, prediction, and system modeling.
    01:11 🧩 Neural networks allow non-linear mappings between input and output layers, enabling more complex interactions and functions.
    02:45 🌐 Activation functions play a crucial role in neural networks, determining the output based on input. Common activation functions include sigmoid, hyperbolic tangent, and rectified linear units (ReLU).
    04:59 📊 Rectified Linear Unit (ReLU) is a widely used activation function due to its non-linearity, meaningful values for large inputs, and ease of differentiation.
    06:08 🛠️ Training a neural network involves defining its architecture, specifying activation functions, and using optimization methods to minimize error between predicted and actual outputs.
    08:24 📚 Cross-validation helps evaluate the neural network's generalization performance by testing it on data it hasn't seen during training.
    11:59 📊 Performance metrics, such as error rates and confusion matrices, help assess the neural network's accuracy and identify areas of improvement.
    18:27 📊 Monitoring error during training is important to prevent overfitting and improve the neural network's generalization to unseen data.
    24:40 🐶 Performance evaluation on withheld data reveals more errors, indicating potential overfitting on the training set.
    25:11 📊 Converting network output to labels provides a clearer performance metric, showing misclassifications for dogs and cats.
    25:37 🧠 Neural network design involves adjusting hyperparameters like layer size, activation functions, and optimization routines to improve performance.
    26:04 🔧 Experimenting with different hyperparameters can lead to varying degrees of improvement in neural network performance.
    26:16 📚 Neural network training process is simplified with tools like MATLAB's 'train' command, allowing easy adjustment and experimentation.
    26:46 📖 Upcoming lectures will delve into the tools and concepts behind nonlinear optimization in neural network training.
    Made with HARPA AI

  • @rachidsaadane8225
    @rachidsaadane8225 4 ปีที่แล้ว

    Good job Dr. Kutz My God you!!

  • @calebvitzthum1451
    @calebvitzthum1451 2 ปีที่แล้ว

    Is it possible to download the cat and dog mat files somewhere?