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Answered
can you please explain the logic of this code???
Hi Priyanka, The provided MATLAB code is use to create a feedforward neural network. First line creates a 3-layer feedforward n...
can you please explain the logic of this code???
Hi Priyanka, The provided MATLAB code is use to create a feedforward neural network. First line creates a 3-layer feedforward n...
1 day ago | 0
Answered
what does it mean number of layers on nntool?
Hi Murat, From MATLAB R2022a "nntool" has been removed. Instead "nnstart" provides graphical interfaces that allow you to desig...
what does it mean number of layers on nntool?
Hi Murat, From MATLAB R2022a "nntool" has been removed. Instead "nnstart" provides graphical interfaces that allow you to desig...
1 day ago | 0
Answered
How many layers are hidden ? Is it Backpropagation network ?
Hi Silva, Yes, this defines a feedforward backpropagation neural network. The training function used here is "traingdx", which ...
How many layers are hidden ? Is it Backpropagation network ?
Hi Silva, Yes, this defines a feedforward backpropagation neural network. The training function used here is "traingdx", which ...
1 day ago | 0
Answered
Undo close tab in editor
Hi Nils, I have tried "Ctrl+Shift+T" shorcut key in MATLAB R2025a which allows to reopen a recently closed file in the Editor. ...
Undo close tab in editor
Hi Nils, I have tried "Ctrl+Shift+T" shorcut key in MATLAB R2025a which allows to reopen a recently closed file in the Editor. ...
1 day ago | 0
Answered
how to prossess multiple dicom images?
Hi Dimitra, To process a sequence of DICOM images without manually specifying each file name, you can automate the file selecti...
how to prossess multiple dicom images?
Hi Dimitra, To process a sequence of DICOM images without manually specifying each file name, you can automate the file selecti...
3 days ago | 0
Answered
How to overlay color map onto dicom image?
Hi Tsai, Since you want to overlay a colormap onto a DICOM image when their sizes differ, you’ll need to first resize the color...
How to overlay color map onto dicom image?
Hi Tsai, Since you want to overlay a colormap onto a DICOM image when their sizes differ, you’ll need to first resize the color...
3 days ago | 0
Answered
For one hidden layer with "tansig","purelin" transfer functions the post process Fcns = {'removeconstantrows','mapminmax'} is done after tansig or purlin?
Hi Sanaz, In MATLAB’s neural network architecture, each layer is assigned only one transfer function. Since you mentioned both ...
For one hidden layer with "tansig","purelin" transfer functions the post process Fcns = {'removeconstantrows','mapminmax'} is done after tansig or purlin?
Hi Sanaz, In MATLAB’s neural network architecture, each layer is assigned only one transfer function. Since you mentioned both ...
3 days ago | 0
Answered
Gradient in Levenberg Marquardt algorithm
Hi Parham, Even though you initialize the 10-neuron network "net_d3" such that it mimics the 5-neuron network "net2", "Levenber...
Gradient in Levenberg Marquardt algorithm
Hi Parham, Even though you initialize the 10-neuron network "net_d3" such that it mimics the 5-neuron network "net2", "Levenber...
3 days ago | 0
Answered
How to use this trained programme to get outputs for new inputs?
Hi Sugan, After training your neural network, you can easily use the trained model to predict outputs for new data. Since the n...
How to use this trained programme to get outputs for new inputs?
Hi Sugan, After training your neural network, you can easily use the trained model to predict outputs for new data. Since the n...
4 days ago | 0
Answered
MSE different in fitnlm vs. manually programmed
Hi Peter, The slight discrepancy you are seeing is because "mdl.MSE" returned by "fitnlm" is an unbiased estimate, whereas your...
MSE different in fitnlm vs. manually programmed
Hi Peter, The slight discrepancy you are seeing is because "mdl.MSE" returned by "fitnlm" is an unbiased estimate, whereas your...
4 days ago | 0
Answered
After using custom Sigmoid layer , I am getting following error
Hi, The error you are encountering might occur when the label data (Y) passed to trainNetwork is either not in the correct form...
After using custom Sigmoid layer , I am getting following error
Hi, The error you are encountering might occur when the label data (Y) passed to trainNetwork is either not in the correct form...
6 days ago | 0
Answered
Which tool should I use for Software effort estimation---nftool, nprtool or ntstool?
Hi Sushma, Based on your requirement "nftool" in MATLAB seems to be a right choice. "nftool" is specifically designed for task...
Which tool should I use for Software effort estimation---nftool, nprtool or ntstool?
Hi Sushma, Based on your requirement "nftool" in MATLAB seems to be a right choice. "nftool" is specifically designed for task...
7 days ago | 0
Answered
how to set goal in training parameter in nntool?
Hi Santosh, From MATLAB R2022a "nntool" has been removed. Instead "nnstart" provides graphical interfaces that allow you to des...
how to set goal in training parameter in nntool?
Hi Santosh, From MATLAB R2022a "nntool" has been removed. Instead "nnstart" provides graphical interfaces that allow you to des...
7 days ago | 0
Answered
Output threshold function, Neural Network
Hi Aydin, As you're training a feedforward neural network with 2 inputs, 1 hidden layer of 2 neurons, and 2 output neurons. Af...
Output threshold function, Neural Network
Hi Aydin, As you're training a feedforward neural network with 2 inputs, 1 hidden layer of 2 neurons, and 2 output neurons. Af...
8 days ago | 0
Answered
Can this problem be solved with a single layer perceptron?
Hi Amna, A single-layer perceptron is only capable of solving linearly separable data. It can correctly classify Setosa versus ...
Can this problem be solved with a single layer perceptron?
Hi Amna, A single-layer perceptron is only capable of solving linearly separable data. It can correctly classify Setosa versus ...
8 days ago | 0
Answered
Plot performance of validation and test set (gives NaN)
Hi Alexs, As per the given code you are manually selecting a shuffled subset of 3000 samples using "randperm", but you later ca...
Plot performance of validation and test set (gives NaN)
Hi Alexs, As per the given code you are manually selecting a shuffled subset of 3000 samples using "randperm", but you later ca...
8 days ago | 0
Answered
reason why to make many hidden layers
Hi Igor, According to the "Universal Approximation Theorem", a neural network with just one hidden layer can, approximate any n...
reason why to make many hidden layers
Hi Igor, According to the "Universal Approximation Theorem", a neural network with just one hidden layer can, approximate any n...
8 days ago | 0
Answered
multi output multilayer perceptron neural network problem
Hi, The root cause of the issue appears to be incorrect assignment of multiple outputs due to repeated use of "y1(:,2)". Only t...
multi output multilayer perceptron neural network problem
Hi, The root cause of the issue appears to be incorrect assignment of multiple outputs due to repeated use of "y1(:,2)". Only t...
9 days ago | 0
Answered
hi i want to build a rnn network for train and validation image classification(finger vein) then i got this error "Unexpected data format: The datastore read method must return a cell array or table."
Hi Andito, This error occurs because RNNs expects input data in the form of sequences typically a cell array where each cell co...
hi i want to build a rnn network for train and validation image classification(finger vein) then i got this error "Unexpected data format: The datastore read method must return a cell array or table."
Hi Andito, This error occurs because RNNs expects input data in the form of sequences typically a cell array where each cell co...
9 days ago | 0
Answered
Add a devision line in scatter plot of perceptron
Hi Hans, Once your model is trained, the weight vector W = [w1; w2; w3] defines a linear decision boundary of the form: ...
Add a devision line in scatter plot of perceptron
Hi Hans, Once your model is trained, the weight vector W = [w1; w2; w3] defines a linear decision boundary of the form: ...
9 days ago | 0
Answered
perceptron classifier for alphabet
Perceptron is used for binary classification tasks and works well only when the data is linearly separable. However, in your cas...
perceptron classifier for alphabet
Perceptron is used for binary classification tasks and works well only when the data is linearly separable. However, in your cas...
9 days ago | 0
Answered
Using pixelLabelDatastore with data obteined of lidarLabeler
Hi Jesus Garcia, The error you're encountering is due to a mismatch between the type of ground truth object you are passing to ...
Using pixelLabelDatastore with data obteined of lidarLabeler
Hi Jesus Garcia, The error you're encountering is due to a mismatch between the type of ground truth object you are passing to ...
2 months ago | 0
Answered
Perturbing an image datastore for bag of words
Hi Megan, You can manually apply perturbations and save them to a temporary folder, then create a new "imageDatastore" from tha...
Perturbing an image datastore for bag of words
Hi Megan, You can manually apply perturbations and save them to a temporary folder, then create a new "imageDatastore" from tha...
2 months ago | 0
Answered
Computer Vision Toolbox Feature Enhancement Request？
Hi, If your labels are in the form of a string array or a character cell array, you can convert them to a categorical vector be...
Computer Vision Toolbox Feature Enhancement Request？
Hi, If your labels are in the form of a string array or a character cell array, you can convert them to a categorical vector be...
2 months ago | 0
Answered
Remove empty image file in a ImageDatastore
Hi, To ensure only valid images are used, you can first scan the image folder and filter out any files that are 0 bytes. And wh...
Remove empty image file in a ImageDatastore
Hi, To ensure only valid images are used, you can first scan the image folder and filter out any files that are 0 bytes. And wh...
2 months ago | 0
Answered
Transform and Combine fileDatastores to Train CNN
Hi Shahad, In the provided code, “sf” is a numeric array used to store the lidar data after applying "PCA" and resizing. The is...
Transform and Combine fileDatastores to Train CNN
Hi Shahad, In the provided code, “sf” is a numeric array used to store the lidar data after applying "PCA" and resizing. The is...
2 months ago | 0
Answered
Error Using 'augmentedImageDatastore class.
Hi John, If you’re getting strange or unexpected errors like the one, you're seeing. There are good chances that MATLAB is not ...
Error Using 'augmentedImageDatastore class.
Hi John, If you’re getting strange or unexpected errors like the one, you're seeing. There are good chances that MATLAB is not ...
2 months ago | 0
Answered
Having imfindcircles not to detect arc in an image
Hi, Please refer to the below code which can detect circles for the provided image: I=imread('your_file'); [centers, radii] =...
Having imfindcircles not to detect arc in an image
Hi, Please refer to the below code which can detect circles for the provided image: I=imread('your_file'); [centers, radii] =...
2 months ago | 0
Answered
Type of datastore for deep learning
Hi RobertC, It seems like the issue you're facing is due to how the datastore is being created and imported into Deep Network D...
Type of datastore for deep learning
Hi RobertC, It seems like the issue you're facing is due to how the datastore is being created and imported into Deep Network D...
2 months ago | 0
Answered
Seeking explanation for why imfindcircles() misses circles within tight radius constraint
Hi Hayden, I found a similar Matlab answer related to your query. Please refer to the below MATLAB Answer thread which addresse...
Seeking explanation for why imfindcircles() misses circles within tight radius constraint
Hi Hayden, I found a similar Matlab answer related to your query. Please refer to the below MATLAB Answer thread which addresse...
2 months ago | 0
