Ben
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20 of your answers have been accepted
Awarded to Ben on 23 Feb 2024
Contribute at least one answer each month for 6 consecutive months
Awarded to Ben on 02 Dec 2022
Provide your first answer ever to someone else's question
Awarded to Ben on 25 Jan 2022
Feeds
Why are predicted outputs different between Simulink and Matlab?
Your network is a 1D CNN over the sequence. Simulink executes this network 1 time step at a time. To compare: x = dlarray(rand(...
10 days ago | 0
DLNETWORK STATE IS ALWAYS A 0 TABLE.
This network does not have any layers with state parameters. The learnable parameters are in the netG.Learnables and netD.Learna...
10 days ago | 0
Design of a neural network with custom loss
The term is minimized if , which is a linear problem as you've stated, so you can actually use classic methods to solve this fo...
10 days ago | 0
I can't understand the generator network of the Train Generative Adversarial Network (GAN) example
The documentation for transposedConv2dLayer states in the Algorithms section that the input is padded with zeros up to "filter e...
10 days ago | 0
How to combine multiple net in LSTM
You can combine 3 separate LSTM-s into one network by adding them to a dlnetwork object and hooking up the outputs. Note that if...
10 days ago | 1
1D-CNN not sequence input
The convolution1dLayer only supports convolutions over "sequence dimension" or a single "spatial dimension". If you want to pe...
11 days ago | 0
| accepted
dlgradient of a subset of variables
This is a subtle part of the dlarray autodiff system, the line dlgradient(y,x(i)) returns 0 because it sees the operation x -> x...
2 months ago | 2
I am modeling Hybrid model for load forecasting. I have ran the HW and FOA part but when I merge LSTM then I am getting error of "TrainNetwork"
When you have multiple time-series observations you need to put the data into cell arrays. This is because each time-series can ...
3 months ago | 0
Matlab code of Neural delay differential equation NDDE
I notice that the model function uses dde23. Unfortunately dde23 is not supported by dlarray and so you can't use this with auto...
3 months ago | 0
| accepted
dlarray/dlgradient Value to differentiate is non-scalar. It must be a traced real dlarray scalar.
Your loss in modelLoss has a non-scalar T dimension since the model outputs sequences. You need to compute a scalar loss to use ...
4 months ago | 0
Is LSTM and fully connected networks changing channels or neurons？
We use "channels" or C to refer to the feature dimension - in the case of LSTM, BiLSTM, GRU I think of the operation as a loop o...
7 months ago | 0
| accepted
Different network architectures between downloaded and script-created networks - Tutorial: 3-D Brain Tumor Segmentation Using Deep Learning
Do you mean the order as described by lgraph.Layers? I can see that. The order of lgraph.Layers is independent of the order the...
7 months ago | 1
| accepted
Is there any documentation on how to build a transformer encoder from scratch in matlab?
You can use selfAttentionLayer to build the encoder from layers. The general structure of the intermediate encoder blocks is li...
7 months ago | 7
| accepted
Physical Informed Neural Network - Identify coefficient of loss function
Yes this is possible, you can make the coefficient into a dlarray and train it alongside the dlnetwork or other dlarray-s as in...
7 months ago | 0
Error in LSTM layer architecture
It looks like the issue is the data you pass to trainNetwork. When you swap the 2nd lstmLayer to have OutputMode="last" then the...
7 months ago | 0
need help to convert to a dlnetwork
The workflow for dlnetwork and trainnet would be something like the following: image = randi(255,[3,3,4]); % create network ...
7 months ago | 0
| accepted
LSTM Layer input size.
For sequenceInputLayer you don't need to specify the sequence length as a feature. So you would just need numFeatures = 5. For ...
7 months ago | 0
| accepted
Train VAE for RGB image generation
The error is stating that the VAE outputs Y and the training images T are different sizes when you try to compute the mean-squar...
10 months ago | 0
How to use "imageInputLayer" instead of "sequenceInputLayer"?
Your imageInputLayer([12,1]) is specifying that your input data is "images" with height 12, width 1 and 1 channel/feature. I ex...
10 months ago | 0
How to create Custom Regression Output Layer with multiple inputs for training sequence-to-sequence LSTM model?
Unfortunately it's not possible to define a custom multi-input loss layer. The possible options are: If Y, X1 and X2 have comp...
10 months ago | 0
| accepted
Error for dlarray format, but why?
This error appears to be thrown if the inputWeights have the wrong size, e.g. you can take this example code from help lstm num...
10 months ago | 0
Where can I find the detailed structure of the autoencoder network variable "net" obtained by the trainautoencoder function? The network structure diagram provided by the "vie
You can view the network by calling the network function: % Set up toy data and autoencoder t = linspace(0,2*pi,10).'; phi =...
10 months ago | 0
| accepted
Trouble adding input signals in Neural ODE training
Hi, What data do you have for your input signal ? If you can write a function for , e.g. , then the @(t,x,p) odeModel(t,x,p,u)...
1 year ago | 0
How to prepare the training data for neural net with concatenationLayer, which accepts the combination of sequence inputs and normal inputs?
You are right that to use trainNetwork with a network that has multiple inputs you will need to use a datastore. There is docume...
1 year ago | 0
Potential data dimension mismatch in lstm layer with output mode as 'sequence'?
The LSTM and Fully Connected Layer use the same weights and biases for all of the sequence elements. The LSTM works by using it'...
1 year ago | 0
Predict function returns concatenation error for a two-input Deep Neural Network
The "Format" functionLayer is re-labelling the input as "CSSB", and the inputs are "CB", so it's going to make the batch dimensi...
1 year ago | 0
Why doesn't concatLayer in Deep Learning Toolbox concatenate the 'T' dimension?
You can create a layer that concatenates on the T dimension with functionLayer sequenceCatLayer = functionLayer(@(x,y) cat(3,x,...
1 year ago | 1
| accepted
i need to utilize fully of my GPUs during network training!
To use more of the GPU resource per iteration you can increase the minibatch size. I'll note that the LSTM layer you are adding...
1 year ago | 0
add more options to gruLayer's GateActivationFunction
I would recommend implementing this extended GRU layer as a custom layer following this example: https://www.mathworks.com/help...
1 year ago | 0
Is it possible to apply upper and lower bounds to predictions in an LSTM?
I believe the default LSTM has outputs bounded in (-1,1) due to the activation functions used. In any case you can try using ac...
1 year ago | 0
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