Questions tagged [neural-computing]

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In theory, should neuromorphic computers be more efficient than traditional computers when performing logic?

There is this general sentiment about neuromorphic computers that they are simply "more efficient" than von Neuman. I've heard a lot of talk about neuromorphic computers in the context of ...
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51 views

Delta rule for binary step function

I have a question of understanding about the Delta Rule: $\Delta w_i = (y - \hat{y}) \times x_i$ Why does $x$ have to be multiplied again after the difference? If the input is $0$, the product of $w$...
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11 views

Intersection of two generative neural networks

I have an input x (a word), and I have a neural network Y such that Y(x), which is an image always satisfies F(x), and another neural network Z such that Z(x), which is also an image, always satisfies ...
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25 views

Using a point as an input for a perceptron

Can a point be used as the input for a perceptron/neural net? The relationship between the two numbers that make up a 2D point does not affect the output, but does this not matter when the ...
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1answer
119 views

If the human brain is a Turing machine then how is it able to ascertain that certain problems are undecidable? [closed]

I recently read about the idea that the human brain might be a Turing machine (or Turing complete). If that is true then how is the brain able to reason that a certain problem is undecidable for e.g. ...
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1answer
1k views

Single Layer Perceptron vs Multi Layer Perceptron

Why the single layer perceptron has a linear activation function while the Multi Layer Perceptron has a non-linear activation function ? What is the potential of the Multi Layer Perceptron respect of ...
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1answer
1k views

Analog circuits for neural networks?

Neural networks in machine learning are inherently a continuous model of computation. Yet we use digital logic circuits with floating point numbers to "emulate" this continuity. I am wondering: is ...
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1answer
409 views

Is deep learning appropriate to approximate dynamic programming problems?

I have a problem which can be completely solved using dynamic programming, but in a very intractable way (On^4, where n is around 1000). I won't get into the details of the problem since it's a bit ...
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139 views

Replace EKF by Neural Networks

I made a SLAM (Simultaneous Localization And Mapping) using Extended Kalman Filter (EKF) and it works really good, but I want to see if it works better using Neural Networks. For the EKF I used an ...
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1answer
78 views

Is it Possible to Get Maximum Weighted Input Value in a Neural Network?

Let's say that I have a standard feedforward neural network which has $M$ inputs, some number of hidden layers $N$, and a single neuron in the output. Is it possible to construct a network such that ...
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1answer
1k views

NeuroEvolution: NEAT algorithm innovation numbers

I have been reading up on the NeuronEvolution of Augmented Topologies and there's this little thing that's been bothering me. While reading Kenneth Stanley's Paper on NEAT I came on this figure here: ...
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1answer
47 views

How to model a set of categorical values in the input of a neural network

One of the inputs to my neural network is a set. I have a set $S = \{s_0, s_1, ..., s_n\}$ in which all values $s_i$ are constant. An example of such a set could be the set of French wines (...
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1answer
367 views

Architecture of a chatbot - how to organize and fetch possibilities? [closed]

I'm building a chatbot that would respond to text messages. Let's say that my chatbot works for customers of an internet provider and it can respond to the following things: Problems: About payment;...
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1answer
259 views

Predicting next action to take to reach a final state

Does anyone know of an algorithm that could be used to determine the next action to take to reach a desired state when trained on time-series data? For example, a robot starts at a certain state, ...
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1answer
45 views

Determining if my artificial neural network needs additional layers

I have implemented a neural network for load forecasting in Microsoft Excel. My structure is very simplistic and involves only 1 hidden layer and 4 neurons. (See picture) I trained my network with a ...
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1answer
46 views

How a human brain does computation after lexical analysis and parsing?

I've been trying to figure out the answer for this question. How exactly a human brain understands or computes the meaning of any sentence after doing the lexical analysis and parsing? What is the ...
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75 views

Where to start studying about HTM?

I am looking for references (pedagogic and beginner friendly!) to these two topics, hierarchical temporal memory algorithms applied to deep planning problems (multi-layer) neural networks trained ...
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1answer
411 views

What factors must one consider choosing an NN structure?

Suppose we have a classification problem and we wish to solve the problem by Neural Network. What factors must one consider choosing an NN structure? e.g Feed Forward, Recurrent and other available ...
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1answer
1k views

How many layers should a neural network have?

Are there any advantages of having more than 2 hidden layers in a Neural Network? I've seen some places that recommend it, others prove that there is no advantage. Which one is right?