# Jack Xiao

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**Content Feed**

Question

Why is there nnet.layer.Formattable in the deep learning toolbox ?

I defined a custom layer in terms of the given demo of "Define Custom Recurrent Deep Learning Layer" which defined peepholeLstmL...

6 mois ago | 0 answers | 0

### 0

answersQuestion

Why is the data type not unified for custom training loops (dlarray) and internal training loops (array) in deep learning?

[XTrain,TTrain] = japaneseVowelsTrainData; inputSize = 12; numHead = 10; numHiddenUnits = 100; numClasses = 9; embedding...

6 mois ago | 0 answers | 0

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answersQuestion

Does the input size of sequenceInputLayer have to be set 1?

i followed the example https://ww2.mathworks.cn/help/textanalytics/ug/classify-text-data-using-deep-learning.html. The network ...

6 mois ago | 1 answer | 0

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answerQuestion

how to create tables with multiple dimensions?

hi, i have 5 tables and each table is with size 9x2, I need to make them together like 5x9x2. how to create tables with mult...

environ un an ago | 1 answer | 0

### 1

answerQuestion

Unrecognized function or variable 'importONNXFunction'.

I am using version r2021a and testing import onnx model, and came across the error: Unrecognized function or variable 'importON...

environ un an ago | 1 answer | 0

### 1

answerQuestion

Does batchNormalizationLayer influence network results?

As far as I know, batchnormalization is used for speeding up model training, it does not influence network results too much. How...

plus d'un an ago | 0 answers | 0

### 0

answersFunction fitting using conventional neutral network

you can refer to the given exmaple for Deep designer app.

plus d'un an ago | 0

| accepted

How to customize the "model function" in the deep learning toolbox to add learnable parameters?

please see the demo of training gan.

plus d'un an ago | 0

Deep Learning, Image Processing, Custom Loop

for custom loop, please see the demo for training gan. Train Generative Adversarial Network (GAN) - MATLAB & Simulink (mathwork...

plus d'un an ago | 0

coding structure of gaussian noise layer

here is the code: classdef gaussianNoiseLayer < nnet.layer.Layer % gaussianNoiseLayer Gaussian noise layer % A ...

plus d'un an ago | 0

How to train a Faster R-CNN with a Multi-labeled images table?

what does multi-labeled ground-truth mean? the MathWorks' rcnn example is for object detection with mutilple instances but one...

plus d'un an ago | 0

Issues: Training CNN on LFW database.

reduce the learning rate to a smaller value such as 0.0001, try to add more data and add dropout layer, or change a little weak...

plus d'un an ago | 0

How to visualize the changes in dlarray/weight distribution with histograms in deep learning?

as far as I know, there is no direct way to visulize the net weight but net activation or structure can be visulized in matlab...

plus d'un an ago | 0

Deep learning layer with custom backward() function

dlnetwork is for customed training loop and dlfeval is for customed model gradients using defined gradient funtction. you can r...

plus d'un an ago | 0

How does matlab visualize the deep neural network structure diagram?

plot(net) is a simple way to visualize net structure in matlab or deep network app designer is a better way. but there is no ...

plus d'un an ago | 0

Validation Accuracy doesn't increase.

reduce the initial learning rate to a smaller value such as 0.0001

plus d'un an ago | 0

Image denoising using DnCNN toolboxdir error

did you install the toolbox?

plus d'un an ago | 0

Validation accuracy that appears different from the graph in DeepNetworkDesigner

it is overfit. add more training data, or add dropout layer, or reduce net layers.

plus d'un an ago | 0

Can I extract the pretrained encoder part from 3D Unet to use it in classification?

you can try, but i think it would not make big sense as Unet is for regression while your taks is classification. to tranfer th...

plus d'un an ago | 0

| accepted

NARNET FOR BINARY CLASSIFICATION PREDICTION

you can refer the given demo for classification, in fact the given net in the demo can be applicative. the key is that you shou...

plus d'un an ago | 0

| accepted

Question

why can imageInputLayer of 'deep network designer' app not be edited?

I want to edit the mean and std in imageInputLayer, but it is settled and can not be eidted, as follow: so, how to edit it di...

plus d'un an ago | 1 answer | 0

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answerhow can I use multiple input for Alexnet?

what do you mean 'multiple input '? if it is multiple pics, you can concetenate to be one (2 rgb pics can be formed to be 1 six...

presque 2 ans ago | 0

How to improve the accuracy of neural networks (feed forward network)

what is nftool ? is it in one matlab toolbox? why not directly use deep learning toolbox..

presque 2 ans ago | 0

Solved

Interpolator

You have a two vectors, a and b. They are monotonic and the same length. Given a value, va, where va is between a(1) and a(end...

presque 2 ans ago

Solved

Indexed Probability Table

This question was inspired by a Stack Overflow question forwarded to me by Matt Simoneau. Given a vector x, make an indexed pro...

presque 2 ans ago

Solved

Clean the List of Names

Given a list of names in a cell array, remove any duplications that result from different capitalizations of the same string. So...

presque 2 ans ago

Solved

DNA N-Gram Distribution

Given a string s and a number n, find the most frequently occurring n-gram in the string, where the n-grams can begin at any poi...

presque 2 ans ago

Solved

Sums with Excluded Digits

Add all the integers from 1 to n in which the digit m does not appear. m will always be a single digit integer from 0 to 9. no...

presque 2 ans ago

Solved

Pascal's Triangle

Given an integer n >= 0, generate the length n+1 row vector representing the n-th row of <http://en.wikipedia.org/wiki/Pascals_t...

presque 2 ans ago

Solved

Counting Money

Add the numbers given in the cell array of strings. The strings represent amounts of money using this notation: $99,999.99. E...

presque 2 ans ago