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Question


Why is my LSTM network taking 3 hours to train on a single CPU?
I have been training a LSTM network that contains 5000 samples of numerical data (each containing 100 time-steps). I am perplexe...

presque 7 ans il y a | 1 réponse | 0

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réponse

Question


num2cell question regarding condensing
Hello all, I have a simple question, but I am having trouble finding the most simple way to accomplish this task. Let's ...

presque 7 ans il y a | 2 réponses | 0

2

réponses

Question


Very confusted about the number of input neurons in my network.
Hello, I believe this to be an elementary question to more experienced machine learning experts, but I am lost. I know that t...

environ 7 ans il y a | 1 réponse | 0

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Question


How do I take a large table, split it into smaller chunks, and add them to a new table?
Hi, I have a 100x5 table. The 100 rows are split evenly into 4 classes (for example, 1:25 = class 1, 26:50 = class 2, and so on)...

plus de 7 ans il y a | 2 réponses | 0

2

réponses

Question


Difficulty reducing the number of rows in a table
Hi. I have a 75*4 table. The table describes 3 classes, where 1:25 = class1, 26:50 = class2, and 51:75 = class3. For my code...

plus de 7 ans il y a | 1 réponse | 0

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réponse

Question


How to create a cell with multiple entries in one line of code?
Hi, I am trying to create a cell for a classification problem. The cell is 75x1. For every 25 entries down the rows, each has ...

plus de 7 ans il y a | 1 réponse | 0

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réponse

Question


Bad classification accuracy... What could be making my pattern recognition network perform so poorly?
Hello Matlab Community. I have run into an issue with my neural network. My network contains 2000 samples evenly distributed...

plus de 7 ans il y a | 1 réponse | 0

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Question


Machine learning for classificaiton, testing it, then including the testing set into a new training set?
Hi all, I am curious. I have a classification problem, where I need machine learning to help me place signals into three cate...

plus de 7 ans il y a | 1 réponse | 0

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Question


What is the fastest way to plot 4 separate graphs with equal y parameters?
Hello, I am trying to plot 4 graphs. Each of these need to be on a similar scale, so I would like them all to have y boundar...

plus de 7 ans il y a | 1 réponse | 0

1

réponse

Question


Simple question... how do I multiply all elements of a matrix by 2?
Hi, I have a 5*5 matrix. I would like all elements in this matrix to be divided by two..can someone please remind me how this is...

plus de 7 ans il y a | 1 réponse | 0

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Question


While building a training set I come across an issue.. different sized samples.
Hello. I am building a training set for a neural network toolbox. In this dataset, there are 4 classes. Two of the classes c...

plus de 7 ans il y a | 1 réponse | 0

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Question


How can I improve my neural network further?
Hello, I have built a neural network and generated code simply by using the patternnet tool in nnstart. I am happy do say that w...

plus de 7 ans il y a | 1 réponse | 0

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Question


At what point does variation in neural network training become unreasonable?
I have a network trained in patternnet. By observing the confusion matrix after each training session, I am witnessing a varianc...

plus de 7 ans il y a | 1 réponse | 0

1

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Question


How can I choose the best neural network in MATLAB when my results change each time I retrain?
Hi. I have finally built a dataset and trained it (for classification) in both patternnet and the Classification Learner App. I ...

plus de 7 ans il y a | 1 réponse | 0

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réponse

Question


How do I create a large binary target matrix?
Hello. I have a dataset of 300 samples (with 60 observations each) that are divided into 6 even categories (50 samples each) ...

plus de 7 ans il y a | 3 réponses | 0

3

réponses

Question


How to store time series data for use in patternnet?
Hi, I am trying to find the best way to store my data for use with patternnet in the Neural Network Toolbox (if this is even pos...

plus de 7 ans il y a | 1 réponse | 0

1

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Question


Does MATLAB support neural networks for time-series classification problems?
I have 300 samples of frequency vs. time data divided into 3 categories (increasing trend, decreasing trend, and normal). Below ...

plus de 7 ans il y a | 1 réponse | 1

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Question


How to assign a unique variable to each output in a for loop?
mu=3; %mean value s=0.5; %stepsize P=1:s:20; %time period g=2; %magnitude of gradient trend sigma = 5; %noise level for i...

plus de 7 ans il y a | 2 réponses | 0

2

réponses

Question


How can I create a data set with multiple random plots?
I am trying to develop a random time series data set to use in training a neural network. I would like to mention that I am very...

plus de 7 ans il y a | 1 réponse | 0

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Question


How to store large samples of time series data in MATLAB?
Hi all, I am trying to store about 100 random samples of the following equations. y(t) = µ + r(t)σ; y(t) = µ + r(t)...

plus de 7 ans il y a | 1 réponse | 0

1

réponse