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Divya Gaddipati


Last seen: 2 days ago

MathWorks

82 total contributions since 2019

I am an Application Software Engineer at Mathworks India.
My main areas of interest are Computer Vision and Machine Learning.

DISCLAIMER: Any advice or opinions here are my own and in no way reflect that of Mathworks.

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Divya Gaddipati's Badges

  • 3 Month Streak
  • Knowledgeable Level 3
  • Revival Level 2
  • First Answer

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Answered
Reading in txt data files with changing names
Based on the file name type, you should form the "foldername" and "fileselectfortime". You can modify your code as shown below:...

1 month ago | 0

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Answered
Which version of Matlab is compatible with macOS Sierra 10.12.6?
The System Requirements page states that the earliest Mac OS on which release R2020a is supported is macOS High Sierra (10.13.6)...

2 months ago | 0

Answered
How measure sensitivity and specificity when using kfold cross validation?
Hi, You can use confusionmat to obtain the True Positive (TP), True Negative (TN), False Positive (FP), False Negative (FN), wh...

2 months ago | 1

| accepted

Answered
Multiple input (sequence and static) to a dag network
Hi, The latest version of MATLAB allows the training of networks with multiple inputs. Please refer to the following link for...

2 months ago | 0

Answered
Binary Search - Descending order
Hi, You need to keep searching until you find the target. For this you need to add a while loop, which keeps reducing the searc...

2 months ago | 0

Answered
what is the 'NSMethod','exhaustive' k-nearest neighbor classifier
Hi, NSMethod is the Nearest neighbor search method, specified as either 'kdtree' or 'exhaustive'. 'kdtree' — Creates and uses ...

2 months ago | 0

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Answered
image processing: how to separate back ground(black) from the foreground objects (white)
Depending on the complexity of the image, different segmentation techniques can be used: Watershed segmentation: Watershed segm...

2 months ago | 0

Answered
Time info is not read correctly by readtable
Hi, This is a known issue and our development team is working on it. Until this issue is resolved, please use Microsoft Excel...

2 months ago | 1

Answered
Improvement of the neural net fitting app
Poor neural network performance might be because the error is not able to reach the goal. If this occurs then you can try the fo...

3 months ago | 0

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Answered
How to get brushed data point index or coordinate from a 3D Plot?
Hi, The following snippet might be of help to you. Handle = plot3(Pos(:,1),Pos(:,2),Pos(:,3), 'o'); axis equal; view(0,90) ...

3 months ago | 0

Answered
Convert cell array with different data type to a matrix in MATLAB
A similar question has already been answered by the community which might be of relevance to you. Please refer to the following ...

3 months ago | 1

Answered
Brush data returns empty 0x0 ogical
You can refer to the following snippet and modify it according to your need: x = rand(20,1); y = rand(20,1); Handle = scatter...

3 months ago | 1

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Answered
Changing Sensitivity of 'Imbinarize' using a slider
You can store the figure handle in a variable using uiaxes which can be passed to the changeSensitivity function to modify the b...

3 months ago | 0

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Answered
I'm not sure how to train this?
You need to provide both Xtrain and YTrain to the trainNetwork function. net = trainNetwork(Xtrain, YTrain, lgraph_1, options);...

3 months ago | 0

Answered
how to import numbers from a file
You can use importdata for this purpose. d = importdata('inventory.txt'); This outputs a struct with 3 fields - "data", "text...

3 months ago | 0

Answered
How to generate a transformation matrix from the displacement fields using imregdemons
Currently there is no way to directly get the transformation matrix from the displacement field. Instead, you can use imregtfo...

4 months ago | 0

Answered
Bird eye view image points to original image points
You can use the imageToVehicle function. The bird eye image and the required points that you want to transform should be given a...

4 months ago | 0

Answered
Problem with table/cell array in an LSTM anomaly detection project
You can use a table as an input to the trainNetwork function for training your LSTM model. If the data size is same for all co...

4 months ago | 0

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Answered
utilising imwarp and affine2d for transformation on dataset
You can concatenate all the images in a matrix of size m x n x c x t where m = width, n = height, c = number of channels, t = ...

4 months ago | 0

Answered
arranging Dicom slices in proper order
Hi, Please refer to the following link on how to read and visualize dicom files: https://blogs.mathworks.com/steve/2019/11/1...

4 months ago | 0

Answered
Do the Dice and Jaccard functions work on my Nifty file?
jaccard supports inputs of size 2-D, 3-D or n-D arrays whereas dice supports 2-D or 3-D inputs. You can find this information ...

4 months ago | 0

Answered
finding best value for ARIMA (p,d,q) model?
The estimate function doesn't have "print" as a Name-Value pair argument. Instead, you can use something like this to turn off...

4 months ago | 0

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Answered
Error using trainNetwork. Number of observations in X and Y disagree.
Hi, The size of the output of your network should be equal the size of Y (labels). You can refer to the following link for a s...

4 months ago | 0

Answered
How to find the average of a single column in matrix
Hi, If m is your matrix, to get the last column and mean, you can use: last_col = m(:, end) avg = mean(last_col); Hope thi...

4 months ago | 0

Answered
Convolutional LSTM in Matlab 2019b
Hi, You can find a similar workflow in the link below. https://www.mathworks.com/help/deeplearning/examples/classify-videos...

4 months ago | 0

Answered
BatchMultiClassNonMaxSuppression - importONNXLayers/Network issue
For building a custom layer, please refer to the below link: https://www.mathworks.com/help/deeplearning/ug/define-custom-deep...

4 months ago | 0

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Answered
How to process extracted SURF features for SVM classifier
You can use fitcsvm to train SVM classifier. You can load the files into the workspace in a loop. for i = 1 : total_files ...

5 months ago | 0

Answered
How to load multiple .txt files into the workspace at once
Following is a small example: files = dir(fullfile(filedir, '*.txt')); n = length(files); data = cell(n); for i = 1 : n ...

5 months ago | 0

Answered
How i can calculate the EENS by using Matpower?
You can refer to the following link on how to implement Monte Carlo simulation in MATLAB https://www.mathworks.com/discovery/mo...

5 months ago | 0

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Answered
How do I export Simulink projects in a previous version in an automated way?
A possible current workaround is to manually export all the models in the desired release, or do it programmatically with the fu...

5 months ago | 1

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