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John Smith


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Last seen: 1 year ago |  Active since 2018

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Answered
Why does layerNormalizationLayer in Deep Learning Toolbox include T dimension into the batch?
It seems Mathworks have listened and changed the behavior of layerNormalizationLayer in R2023a.: https://www.mathworks.com/help...

1 year ago | 0

| accepted

Question


How to conditionally define a learnable property?
Hello, Is it possible, and if so - how, to define a learnable property based on a condition checked in the layer constructor? ...

1 year ago | 3 answers | 1

3

answers

Question


Debugging Custom Layers converted by Matlab into CodegenFusedLayer
Hi, While developing a custom layer (actually - a DAG encapsulated in a dlnetwork) I found out that Matlab converted it into a ...

1 year ago | 1 answer | 1

1

answer

Question


Why does layerNormalizationLayer in Deep Learning Toolbox include T dimension into the batch?
Hello, While implementing a ViT transformer in Matlab, I found at that the layerNormalizationLayer does include the T dimension...

1 year ago | 2 answers | 1

2

answers

Question


Why doesn't concatLayer in Deep Learning Toolbox concatenate the 'T' dimension?
Hello, While implementing a ViT transformer in Matlab, I found at that the concatLayer does not concatenate over the T dimensio...

1 year ago | 1 answer | 0

1

answer

Question


How to restart TrainingProgressMonitor after loading from checkpoint?
Hello, I'm running a custom training loop in Deep Learning Toolbox and am using TrainingProgressMonitor to record progress. Oc...

1 year ago | 0 answers | 0

0

answers

Question


Keeping the state after loading from a checkpoint
Hello, I'm running an experiment using Deep Learning Toolbox. I'd like to resume execution after restarting from a checkpoint. ...

1 year ago | 0 answers | 0

0

answers

Answered
How to implement PyTorch's Linear layer in Matlab?
It is possible to perform matrix multiplication using convolution as described in "Fast algorithms for matrix multiplication usi...

2 years ago | 0

Question


How to implement PyTorch's Linear layer in Matlab?
Hello, How can I implement PyTorch's Linear layer in Matlab? The problem is that Linear does not flatten its inputs whereas Ma...

2 years ago | 4 answers | 1

4

answers

Answered
How to combine the states of a custom stateful layer with a stateful nested sub-network?
OK, I figured this out by implementing and debugging such a setup: First, there are two predict (and forward) methods - one for...

2 years ago | 0

| accepted

Question


How to combine the states of a custom stateful layer with a stateful nested sub-network?
Hello, I have a stateful custom layer with a statful nested sub-network. In my predict method I call predict on the sub-networ...

2 years ago | 1 answer | 0

1

answer

Answered
How to automatically initialize learnable parameters of a custom layer?
It looks that Mathworks has added an option to initialize custom layers at network initialization time in R2022b. There's now t...

2 years ago | 0

| accepted

Question


How to automatically initialize learnable parameters of a custom layer?
Matlab DOES propagate configuration information to a custom layer when it automatically initializes learnable parameters, but NO...

3 years ago | 1 answer | 0

1

answer

Answered
Custom Layer Learnable Parameters Initialization.
Unfortunately, at least as of version 2021a, Matlab doesn't provide staright forward capabilities to automatically initialize le...

3 years ago | 1

Question


How to implement in Matlab Deep Learning PyTorch detach or TensorFlow stop_gradient?
Hello! Pytorch has a facility to detach a tensor so that it will never require a gradient, i.e. (from here): In order to enabl...

3 years ago | 1 answer | 0

1

answer

Question


deep learning toolbox: how to change precision to double?
Hello, It seems that the Deep Learning Toolbox uses the single precision and that it's hard coded. Is there a way to change th...

5 years ago | 1 answer | 0

1

answer

Question


Deep network behavior in custom training loop on shared layers
Hello, I study the Siamese network example in https://www.mathworks.com/help/deeplearning/examples/train-a-siamese-network-to-c...

5 years ago | 0 answers | 0

0

answers

Question


Cannot have a dimension-increasing custom layer with dlnetwork
Hello, I implemented in 2019b a simple reshape layer for Deep Learning which I'd like to use with a dlnetwork. The network pas...

5 years ago | 1 answer | 0

1

answer

Question


Does Matlab R2019a support Automatic Differentiation in Deep Learning Toolbox (or otherwise)?
Hello, Does Matlab R2019a support Automatic Differentiation / Algorithmic Differentiation like TensorFlow's tf.gradients() in i...

5 years ago | 1 answer | 0

1

answer

Question


How to access gradients in Deep Learning Toolbox
Is it possible to get access to gradients in Deep Learning Toolbox at all layers (custom and built-in)? Thx

6 years ago | 0 answers | 0

0

answers

Answered
Error using layerGraph in Neural Network toolbox
It's a limitation of Matlab (at least until 2018b). Documentations says: Layer graphs cannot specify the architecture of long s...

6 years ago | 0

Answered
How to manually construct or modify a cross-validation object in MATLAB?
Two small additions: 1.You need to update the toolbox cache https://www.mathworks.com/help/matlab/matlab_env/toolbox-path-cachi...

6 years ago | 0