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Questions and Answers
What is the primary function of a neural network after training?
What is the primary function of a neural network after training?
What type of neural network is typically used for image classification tasks?
What type of neural network is typically used for image classification tasks?
What is the primary advantage of Fully-Connected Neural Networks (FCN)?
What is the primary advantage of Fully-Connected Neural Networks (FCN)?
What type of data is typically used with Recurrent Neural Networks (RNN)?
What type of data is typically used with Recurrent Neural Networks (RNN)?
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What is a common application of Neural Networks in Electrical Engineering?
What is a common application of Neural Networks in Electrical Engineering?
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What is a disadvantage of Fully-Connected Neural Networks (FCN)?
What is a disadvantage of Fully-Connected Neural Networks (FCN)?
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What is the primary building block of Convolutional Neural Networks (CNN)?
What is the primary building block of Convolutional Neural Networks (CNN)?
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What is a characteristic of Recurrent Neural Networks (RNN)?
What is a characteristic of Recurrent Neural Networks (RNN)?
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What is the simplest form of the linear equation used in the example?
What is the simplest form of the linear equation used in the example?
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What is the number of layers in the Neural Network represented in the figure?
What is the number of layers in the Neural Network represented in the figure?
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What is the main difference between Shallow and Deep Neural Networks?
What is the main difference between Shallow and Deep Neural Networks?
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What is the maximum number of examples in the training data for Shallow Neural Networks?
What is the maximum number of examples in the training data for Shallow Neural Networks?
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What is the purpose of the hidden layer in a Neural Network?
What is the purpose of the hidden layer in a Neural Network?
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What is the term for the process of finding the values of A, B, and C in the linear equation?
What is the term for the process of finding the values of A, B, and C in the linear equation?
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What is the main function of a fully-connected neural network?
What is the main function of a fully-connected neural network?
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How many neurons are in the input layer of the Neural Network?
How many neurons are in the input layer of the Neural Network?
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What is the equation that represents the improvement of the linear equation?
What is the equation that represents the improvement of the linear equation?
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What is the purpose of dividing the data into training and testing data?
What is the purpose of dividing the data into training and testing data?
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What is the function of the hidden layer in a neural network?
What is the function of the hidden layer in a neural network?
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What is the name of the neural network architecture where every neuron in one layer is connected to every neuron in the subsequent layer?
What is the name of the neural network architecture where every neuron in one layer is connected to every neuron in the subsequent layer?
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What is the role of an activation function in a neural network?
What is the role of an activation function in a neural network?
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What is the term for the process of adjusting the neural network's parameters to minimize the error between the predicted and actual outputs?
What is the term for the process of adjusting the neural network's parameters to minimize the error between the predicted and actual outputs?
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What is the purpose of the output layer in a neural network?
What is the purpose of the output layer in a neural network?
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What is the relationship between the inputs (x1, x2) and the output (y) in the illustrative example?
What is the relationship between the inputs (x1, x2) and the output (y) in the illustrative example?
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Study Notes
Neural Network Principle
- A neural network can predict an unknown output for a given new input after training.
Neural Network Categories
- There are three main categories of neural networks:
- Fully-Connected Neural Networks (FCN)
- Convolutional Neural Networks (CNN)
- Recurrent Neural Networks (RNN)
Fully-Connected Neural Networks (FCN)
- Building blocks are neurons
- Inputs are processed in the forward direction only
- Deals with vector data inputs
- Advantages: simple design
- Disadvantages: computationally expensive
Convolutional Neural Networks (CNN)
- Building blocks are filters
- Filters extract relevant features from input using convolution operation
- Deals with matrices/image data inputs
- Advantages: high accuracy in image recognition problems
- Disadvantages: large training data needed
Recurrent Neural Networks (RNN)
- Building blocks are neurons with recurrent loop in the hidden layer
- Inputs are processed in both forward and backward directions
- Deals with sequence data inputs
- Advantages: finding relations within sequential data
- Disadvantages: having difficulties with long sequences
Electrical Applications of Neural Networks
- Neural networks have been used in electrical engineering applications, including:
- Fault detection/classification in electric devices
- Fault detection/classification in power systems
- Load estimation for electric devices and power systems
- Optimization of solar and wind power generation
- Self-driving/autonomous cars
Fully-Connected Neural Networks (FCN) - How it Works
- FCN is also known as dense neural networks or multi-layer perceptron (MLP)
- Every neuron in one layer is connected to every neuron in the subsequent layer
- Information flows from the input layer through one or more hidden layers to the output layer
Illustrative Example of FCN
- A simple example of using FCN to find the relation between inputs (x1, x2) and output (y)
- The computer assumes a linear/straight line equation to approximate the relation
- The task of the network is to find the constants (A, B, C) in the equation
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Description
Learn about the basics of neural networks, including their ability to predict unknown outputs and different categories of neural networks.