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Artificial Intelligence

Artificial Intelligence

Tanh Function in Neural Network

The tanh function, short for hyperbolic tangent function, is another commonly used activation function in neural networks. It maps any real-valued number into a value between -1 and 1. This function is similar to the sigmoid function but offers some advantages that make it more suitable for certain applications. Mathematical…

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Artificial Intelligence

Sigmoid Function in Neural Network

The sigmoid function is one of the most commonly used activation functions in neural networks, especially in binary classification tasks. It maps any real-valued number into a value between 0 and 1, making it suitable for models that need to output probabilities. Mathematical Definition The sigmoid function, also known as…

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Artificial Intelligence

What is an Activation Function?

An activation function is a mathematical function applied to the output of each neuron in a neural network. It determines whether a neuron should be activated or not based on its input. Activation functions introduce non-linearity into the network, allowing it to model complex patterns and interactions in the data….

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Artificial Intelligence

What are Biases in Neural Networks?

What are Biases in Neural Networks? Biases are additional parameters in neural networks that are added to the weighted sum of inputs to a neuron before applying the activation function. They help the model to fit the data better by providing an additional degree of freedom. Role of Biases How…

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Artificial Intelligence

Weights in Neural Network

Defining weights in a neural network involves initializing them to appropriate values before training begins. Proper initialization is critical for ensuring efficient and effective training. Here’s a step-by-step guide on how to define weights in a neural network: 1. Understanding Weight Initialization Weights are the parameters that connect neurons between…

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Artificial Intelligence

Understanding Bias in Neural Networks

In neural networks, the bias term is an additional parameter in each neuron that allows the model to fit the data more flexibly. It acts as an offset and helps the activation function shift to the left or right, enabling the model to better fit the training data. Role of…

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Nishant Munjal

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