# Jon Cherrie

### MathWorks

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**Content Feed**

Basic Question on Graph Neural Networks- please someone knowledgeable reply

For an example showing Graph Neural Networks in MATLAB, please see Node Classification Using Graph Convolutional Network https...

2 mois ago | 1

Graph Convolutional Network（GCN）？

For an example showing Graph Neural Networks in MATLAB, please see Node Classification Using Graph Convolutional Network https...

2 mois ago | 9

Solved

Fibonacci sequence

Calculate the nth Fibonacci number. Given n, return f where f = fib(n) and f(1) = 1, f(2) = 1, f(3) = 2, ... Examples: Inpu...

5 mois ago

How do I get the confusion matrix for all trained data

You can use the confusionmat command https://au.mathworks.com/help/stats/confusionmat.html When you call it, make sure that yo...

5 mois ago | 1

Solved

Select every other element of a vector

Write a function which returns every other element of the vector passed in. That is, it returns the all odd-numbered elements, s...

5 mois ago

Solved

Triangle Numbers

Triangle numbers are the sums of successive integers. So 6 is a triangle number because 6 = 1 + 2 + 3 which can be displa...

5 mois ago

Solved

Find the sum of all the numbers of the input vector

Find the sum of all the numbers of the input vector x. Examples: Input x = [1 2 3 5] Output y is 11 Input x ...

5 mois ago

Solved

Make the vector [1 2 3 4 5 6 7 8 9 10]

In MATLAB, you create a vector by enclosing the elements in square brackets like so: x = [1 2 3 4] Commas are optional, s...

5 mois ago

LSTM time series forecasting with 3 inputs using chickenpox example

Rather than starting from the chickenpox example, you might be better off starting from the "Sequence-to-Sequence Regression Usi...

5 mois ago | 0

multivariate time series forecasting using lstm

Rather than starting from the chickenpox example, you might be better off starting from the "Sequence-to-Sequence Regression Usi...

5 mois ago | 0

How can I call network

You can use the sim function: https://au.mathworks.com/help/deeplearning/ref/sim.html The sim function is usually called im...

5 mois ago | 0

| accepted

How to calculate gradient of output of a neural network with respect to its parameters?

You can use dlgradient and dlfeval to take derivatives with respect to the input or to the parameters Here's an example: I'm...

5 mois ago | 1

| accepted

How to re-load MatLab's feedforwardnet to Workspace?

I recommend using a cell array rather than a regular array for this case, e.g., FFNN_trained_sum = {}; % Use {} here, not [] f...

5 mois ago | 0

| accepted

Flatten layer in MATLAB

In MATLAB, in many cases, you don't need a flattern layer. Flattern layers are often used before a fully connected layer. The fu...

5 mois ago | 1

What does Predict for neural network give back?

I think that Ypred(i,j,k,n) is the score for class k for pixel i,j of the n-th image. Often the score is the probability or si...

5 mois ago | 0

| accepted

How to understand Softmax layer activations for pretrained CNN?

How to identify what class they correspond with? We can get this from the class names property of the output layer. What these...

5 mois ago | 0

| accepted

Recommendation for neural network implementation

It might be that you can solve this as sequence classification problem, e.g., https://www.mathworks.com/help/deeplearning/ug/c...

5 mois ago | 1

Speed up 'dlgradient' with parallelism?

You can use a GPU for the dlgradient computation by using a gpuArray with dlarray. In this example, the minibtachqueue, puts da...

5 mois ago | 1

ONNX export yields Error !

It looks like you are hitting this bug: Error when using functions for importing or converting ONNX or Caffe models on Windows ...

6 mois ago | 3

extractFileText returns <missing>

The extractFileText function has been significantly rewritten for R2021a and may give different results for some PDF files. I re...

6 mois ago | 1

Will MATLAB provide Bert word embedding support?

BERT is available via this GitHub repository https://github.com/matlab-deep-learning/transformer-models

6 mois ago | 3

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

plus de 5 ans ago

cftool crashes Matlab

There are many potential sources of the problem here. Please contact MathWorks Technical Support so they can investigate the pro...

presque 10 ans ago | 1

Custom m-file function in fitting tool

Yes, it is possible to use a Custom Equation in CFTOOL defined from a MATLAB file. Here is an example. Start by creating a file ...

plus de 10 ans ago | 0

The integral method used in postprocessing Analysis of Curve fitting tool

One of two techniques is used. # For many of the <http://www.mathworks.com/help/toolbox/curvefit/f1-76041.html#f1-63727 para...

plus de 10 ans ago | 0