Top "Neural-network" questions

Network structure inspired by simplified models of biological neurons (brain cells).

What is the meaning of the word logits in TensorFlow?

In the following TensorFlow function, we must feed the activation of artificial neurons in the final layer. That I understand. …

tensorflow machine-learning neural-network deep-learning cross-entropy
How to implement the ReLU function in Numpy

I want to make a simple neural network which uses the ReLU function. Can someone give me a clue of …

python numpy machine-learning neural-network
Why do we have to normalize the input for an artificial neural network?

It is a principal question, regarding the theory of neural networks: Why do we have to normalize the input for …

machine-learning neural-network normalization
How to return history of validation loss in Keras

Using Anaconda Python 2.7 Windows 10. I am training a language model using the Keras exmaple: print('Build model...') model = Sequential() …

python neural-network nlp deep-learning keras
What is the role of "Flatten" in Keras?

I am trying to understand the role of the Flatten function in Keras. Below is my code, which is a …

machine-learning tensorflow neural-network deep-learning keras
How to assign a value to a TensorFlow variable?

I am trying to assign a new value to a tensorflow variable in python. import tensorflow as tf import numpy …

python tensorflow neural-network deep-learning variable-assignment
Keras model.summary() result - Understanding the # of Parameters

I have a simple NN model for detecting hand-written digits from a 28x28px image written in python using Keras (…

python machine-learning neural-network keras theano
NaN loss when training regression network

I have a data matrix in "one-hot encoding" (all ones and zeros) with 260,000 rows and 35 columns. I am using Keras …

python keras neural-network theano loss-function
What does tf.nn.conv2d do in tensorflow?

I was looking at the docs of tensorflow about tf.nn.conv2d here. But I can't understand what it …

neural-network tensorflow
Data sets for neural network training

I am looking for some relatively simple data sets for testing and comparing different training methods for artificial neural networks. …

neural-network training-data