Top "Neural-network" questions

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

How to calculate the number of parameters for convolutional neural network?

I'm using Lasagne to create a CNN for the MNIST dataset. I'm following closely to this example: Convolutional Neural Networks …

neural-network deep-learning conv-neural-network lasagne nolearn
What is the number of filter in CNN?

I am currently seeing the API of theano, theano.tensor.nnet.conv2d(input, filters, input_shape=None, filter_shape=…

machine-learning neural-network theano convolution
Why should weights of Neural Networks be initialized to random numbers?

I am trying to build a neural network from scratch. Across all AI literature there is a consensus that weights …

machine-learning neural-network artificial-intelligence mathematical-optimization gradient-descent
Many to one and many to many LSTM examples in Keras

I try to understand LSTMs and how to build them with Keras. I found out, that there are principally the 4 …

machine-learning neural-network deep-learning keras recurrent-neural-network
how to implement custom metric in keras?

I get this error : sum() got an unexpected keyword argument 'out' when I run this code: import pandas as pd, …

python neural-network deep-learning keras metrics
How do you use Keras LeakyReLU in Python?

I am trying to produce a CNN using Keras, and wrote the following code: batch_size = 64 epochs = 20 num_classes = 5 cnn_…

python machine-learning neural-network keras conv-neural-network
What is the problem with my implementation of the cross-entropy function?

I am learning the neural network and I want to write a function cross_entropy in python. Where it is …

python machine-learning neural-network cross-entropy
Negative dimension size caused by subtracting 3 from 1 for 'conv2d_2/convolution'

I got this error message when declaring the input layer in Keras. ValueError: Negative dimension size caused by subtracting 3 from 1 …

python tensorflow neural-network keras keras-layer
What are some good resources for learning about Artificial Neural Networks?

I'm really interested in Artificial Neural Networks, but I'm looking for a place to start. What resources are out there …

neural-network
Differences between numpy.random.rand vs numpy.random.randn in Python

What are all the differences between numpy.random.rand and numpy.random.randn? From the docs, I know that the …

python numpy neural-network numpy-random