Answered
how to build a neural network with inputs as audio features extracted with cqcc and pca applied to them and output to classify which is spoof or genuine, using asvspoof2017 dataset
Hi pranav, You need to read audio file and extract feature through cqcc. Check out this link. Here are many example on how to e...

2 meses ago | 0

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Answered
CNN multi image classification with 4 channel
Hi, I think the problem is in forming the datastore. I have one more way to combine the datastore. Please refer to following pi...

2 meses ago | 0

Answered
Artificial Neural Network - 2 inputs, 11 outputs
Hi Alex, You can tackle this problem in many different way, all you need to do is form a proper deep neural network and train t...

2 meses ago | 0

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Answered
Can I extract the pretrained encoder part from 3D Unet to use it in classification?
Hi, Yes you need to convert the DAGNetwork to layer Graph as mentioned by @Jack Xiao, you can do this by simply using layerGrap...

2 meses ago | 0

Answered
how to change nnstart's params in deep learning toolbox ?
Hi, Its not possible to change activation function from nnstart gui, You actually need to use fitnet or patternet function to i...

2 meses ago | 0

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Answered
ML error: Index in position 2 exceeds array bounds (must not exceed 1).
Hi Christian, I am not able to reproduce the error. I took a sample data of same size as you mentioned and I am able to train t...

2 meses ago | 0

Answered
Huber loss in feedforwardnet
Hi Abdulaziz, There are multiple ways to do it. First and easy way is to shift to deep neural network framework rather than usi...

2 meses ago | 0

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Answered
Complicated triple integrals with a small coefficient (order of -7) that disabled MATLAB?
Hi Jianming, The warning which you came across generally arises when the function is not smooth enough and that's why it become...

3 meses ago | 0

Answered
In learning curve, training error decrease with increase training datasize.
Hi, These all figures boils down to number of learnable parameter v/s training data size. Regularization and all does have impa...

3 meses ago | 0

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Answered
Question of Hyperparameter tuning of shallow neural network
Hi Qiang, The points raised by the reviewers are valid, you can't just optimize one variable and leave the rest as it is. even ...

3 meses ago | 0

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Answered
GlobalSearch does not keep the best solution
Hi ghazal, The optimization becomes very difficult with increase in the dimension or parameter. I am not sure what exactly can ...

3 meses ago | 0

Answered
Classification Learner App: creating a table from the parallel coordinate plots
Everything which is done on classificationLearner app can be regenerated on command line. You just need to export the trained mo...

3 meses ago | 0

Answered
Error exporting trained neural network model using ONNX to onnx format
Hi faraz, you are using shallow neural network and this network does not belongs to any of the above network datatype and thus ...

3 meses ago | 0

Answered
perform an operation on a series of varibles with different names
Hi, there are multiple way of doing this, but most convenient and structured way would be make a matrix u & v where each colum...

3 meses ago | 0

Answered
Invalid training data. The output size (11) of the last layer does not match the number of classes (1).
Hi Youngmin, did you check the datastore which you created? does it have label information attached with it. My first guess loo...

3 meses ago | 0

Answered
PointCloud issues with location XYZ
Hi, Can you attach one of the sample file for me to investigate. But my first guess looking at the data would be, you might hav...

3 meses ago | 0

Answered
Can I train a symbol as special character with ocr?
Hi Pedro, I think you need to train an ocr to compensate for the symbol. you can refer to ocrTrain App in MATLAB. you manually ...

3 meses ago | 0

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How to calculate the mean of an interval (from a vector) in a loop?
Hi Paul, There is one more convenient way of doing this, you can reshape your array in a matrix of shape (rows,10) such that ea...

3 meses ago | 1

Answered
Replacing Matirx after each loop
Hi, I don't quite follow the operations you are performing, but here is the general template of such problems. It looks like a ...

3 meses ago | 0

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Answered
solve second order non-linear partial differential equation with boundaries conditions
Hi Alessia, There are many way to solve the above differential equation and some of them are well documented, refer to bvp4c f...

3 meses ago | 0

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Answered
Matlab function "pcg" with zero iterations?
Hi Carlo, Yes, pcg function can return 0 iteration and yes it has some significance. It just mean that the initial guess is a g...

3 meses ago | 0

Answered
Can you change the entire color gradient of a word cloud?
Yeah you can specify the colour based on occurence of words while using the function wordcloud. Here is the link for the same. I...

3 meses ago | 0

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Answered
Recovering latent coordinates of an image in GAN
Hi Alexander, It is very interesting question. Although as far as I am aware of, there is no such example in MATLAB to demonstr...

3 meses ago | 0

Answered
Optical Recognition of Handwritten Digits
You can directly use the load function to load the data in the workspace. I try loading it and able to properly load it in the w...

3 meses ago | 1

Answered
How to subsample a dataset per week
Hi, I am assuming you have the table t and then you want to know first sampled data of the week. As far as I know there is no f...

3 meses ago | 0

Answered
how to evaluate LSTM network
Hi Safwana, RMSE is generally the most typical loss function to use in regression problem and most of the time it gives optimal...

3 meses ago | 0

Answered
Histogram and Normalized Histogram for an Image
Hi Wadee. Check out imread function for reading an image and imhist function to plot the image histogram. I am not sure if you ...

3 meses ago | 0

Answered
Help: I tried to predict one predictand with 7 predictors with LSTM but failed
Hi, You have to convert XTrain and YTrain into cell arrays and the feature dimension which you used as input in InputSequencela...

3 meses ago | 0

Answered
Use of Matlab's OCR to recognize Math Equation
Hi, OCR detection MATLAB uses is actually tesseract implementation and Math Equation as mentioned in tesseract official page is...

3 meses ago | 0

Answered
empty sym: 0-by-1 for Simultaneous equation
Hi Jacob, If the solve function returns empty object then there is no solution exist for the given set of equations. I suggest ...

4 meses ago | 0

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