In front of us, we talked about the DNN, and the special case of DNN. CNN's model and forward backward propagation algorithms are forward feedback, and the output of the model has no correlation with the model itself. Today we discuss another type of neural network with feedback between output and model: Cyclic neural network
What's RNN?
The cyclic neural network, the recurrent neural network, is proposed mainly to deal with sequence data and what sequence data is. is the previous input and the back of the input is related, such as a word, before and after the words are related, "I am hungry, re
BP (backward propogation) neural networkSimple to understand, neural network is a high-end fitting technology. There are a lot of tutorials, but in fact, I think it is enough to look at Stanford's relevant learning materials, and there are better translations at home: Introduction to Artificial neural
, we can directly use the full connection of the neural network, to carry out the follow-up of these 120 neurons, the following specific how to do, as long as the knowledge of multi-layer sensors understand, do not explain.
The above structure, is only a reference, in the real use, each layer feature map needs how many, volume kernel size selection, as well as the pool when the sample rate to how much, and
This paper is reproduced from http://blog.csdn.net/ironyoung/article/details/49455343
BP (backward propogation) neural networkSimple to understand, neural network is a high-end fitting technology. There are a lot of tutorials, but in fact, I think it is enough to look at Stanford's relevant learning materials, and there are better translations at home: Introdu
single unit with a complex memory unit .??TensorFlow examples of LSTMHttps://github.com/jikexueyuanwiki/tensorflow-zh/blob/master/SOURCE/tutorials/recurrent/index.mdhttp://colah.github.io/posts/2015-08-Understanding-LSTMs/It is mentioned herethat RNN can learn historical information when the distance is short, but RNN is powerless when the distance is longer . example of a short distance, predicting skylong-distance examples, predictions French??the
) # padding for I in range (self.size): Self.a[i] = Np.zeros (Self.n[i]) # full 0 Self.z[i] = Np.zeros (Self.n[i]) # full 0 Self.data_a[i] = Np.zeros (Self.n[i]) # Full 0 if I
The complete code below is what I have learned from the Stanford Machine Learning tutorial, completely self-tapping:
Import NumPy as NP "Reference: Http://ufldl.stanford.edu/wiki/index.php/%E7%A5%9E%E7%BB%8F%E7%BD%91%E7%BB%9C" class Neuralnetworks (object): "" Def __init__ (s
growth are structured data
8. Question EighthAnswer: AC. This question examines our understanding of RNN (recurrent neural networks). RNN has achieved some success in speech recognition, language modeling, translation, picture description and other issues. It is a supervised learning, such as input data in English, labeled French. RNN can be seen as multiple assignments of the same
Objective
From the understanding of convolution nerves to the realization of it, before and after spent one months, and now there are still some places do not understand thoroughly, CNN still has a certain difficulty, not to see which blog and one or two papers on the understanding, mainly by themselves to study, read the recommended list at the end of the reference. The current implementation of the CNN in the Minit data set effect is good, but there are some bugs, because the recent busy, the
It is important to understand how the chat robot (chatbots) works. A basic mechanism of chat bots is to use text classifiers for intent recognition. Let's look at how the Artificial neural network (ANN) works internally.
In this tutorial, we will use the 2-layer neuron (a hidden layer) and the word bag (bag of words) method to organize our training data. There ar
Sequence to Sequence learning with NN"Sequence-to-sequence learning based on neural networks" was downloaded from the original Google Scholar.@author: Ilya sutskever (Google) and so onfirst, the total Overview
Dnns has made remarkable achievements in dealing with many difficult problems. This paper mentions the problem of using a 2-layer hidden layer neural network
This article mainly introduces the recursive neural network implemented by Python, is an excerpt from the GitHub code snippets, involving Python recursion and mathematical operations related to operational skills, the need for friends can refer to the next
This paper describes the recursive neural network implemented
Try the SKETCH-RNN demo.
For mobile users on a cellular data connection:the the size of this the is around 5 MB of data. Everytime you to the "model in the" demo, you'll use another 5 MB of data.
We made an interactive Web experiment This lets you draw together with a recurrent neural network model called SKETCH-RNN.We taught this
REF: Convolution neural network CNNs from LeNet-5The qac of some of the posts in this article:1. FundamentalsMLP (Multilayer Perceptron, multilayer perceptron) is a forward neural network (as shown), and is fully connected between adjacent two-layer networks.Sigmoid typically use the Tanh function and the logistic func
http://mp.weixin.qq.com/s?__biz=MjM5ODkzMzMwMQ==mid=2650408190idx=1sn= f22adfb13fb14f8a220222355659913f1. How to understand the status of NLP: see some tips for the latest doctoral dissertationIt may be a shortcut to look at the current status of an area and see the latest doctoral dissertation. For example, there are children's shoes asked how to understand the State-of-the-art of NLP, in fact, Stanford, Berkeley, CMU, JHU and other schools recently selected doctoral theses, the field of mainst
expression vector of query. The encoder here uses a bidirectional GRU recurrent neural network. The query vector is then multiplied with the contextual embedding of each word using the dot product method, and the resulting result can be regarded as the weight of each word for the search, and also as a attention. Finally, the Softmax function is used to convert t
operation process. and tensor have the same API, and some APIs for backward (). It also contains gradients related to tensor.Nn. Module-Neural network modules. Convenient data encapsulation, the ability to move operations to the GPU, but also include some input and output things.Nn. Parameter-A variable (Variable) that is automatically registered as a parameter when any value is assigned to the module.Auto
rate can reach 97% +The above can be UFLDL on the implementation of CNN, the most important thing is to figure out each layer in each process needs to be done, I summarize in the article at the beginning of the table ~matlab give me a big feeling is the matrix of demension match, sometimes know the formula is what kind of, However, to consider the dimensions of the matrix, the two-dimensional match matrix can be multiplied or added, but the benefit is that you don't know how to write the code w
TensorFlow let neural networks automatically create musicA few days ago to see an interesting share, the main idea is how to use TensorFlow teach neural network automatically create music. It sounds so fun, there's wood! As a Coldplay, the first idea was to automatically generate a music like the Coldplay genre, so I started to follow the
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