# Dheeraj Singh

### MathWorks

Last seen: presque 3 ans il y a Actif depuis 2019

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I am an Application Support Engineer in EDG Mathworks .

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

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How to save a neural network to test on a new dataset?
save will generally save all the variables present in the workspace at point of time. So, instead of saving the model inside th...

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Code for capturing angle of knee. hip and ankle using motion capture.
You can refer to the following link to get started on Motion Tracking and estimation: https://in.mathworks.com/help/vision/trac...

plus de 4 ans il y a | 0

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for loop mixing the results with the previous loops
The issue is that for loop variable ind is outside the for loop You can try the following code: converted = table2array(import...

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struct with timeseries fields to Excel
You can use the following code for implementing the above: arr = struct2array(test_data); t = array2table([arr.Time;arr.Data],...

plus de 4 ans il y a | 0

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How to prepare the Input for feedforward neural network?
You can refer to the following example where Machine Learning techniques have been used on EEG data: https://in.mathworks.com/c...

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On my iMac Pro, Matlab 2019b just cannot open.

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Simulating vehicles that doesn't collide with each other
One of basic approaches, as you have suggested, can be based on Euclidean distance between the two vehicles. This can be achieve...

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Worst-case linear-time order statistics Selecting
You can simply do something like this: array=randperm(100,21) noOfGroups=ceil(numel(array)/5); medianGroup=zeros(noOfGroups...

presque 5 ans il y a | 0

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How to find the maximum of a normalized fit of a histogram
You can use histcountsto find the frequency of each bin. N=histcounts(All_Data,200); Then use max to find the max value and th...

presque 5 ans il y a | 0

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Circumvent the 'array exceeds maximum array size preference' error
You can have a look at imageDatastore. It can be useful for managing a collection of image files, where each individual file fit...

presque 5 ans il y a | 0

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LSTM with data sequence including NaN values
Too much padding can have negative impact on the network performance. To prevent the training process from adding too much paddi...

presque 5 ans il y a | 0

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spectralcluster error during kmeans for large number of clusters
For estimating the number of clusters, you can use the following Tips: Consider using spectral clustering when the clusters in ...

presque 5 ans il y a | 0

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Account problems installing on a Mac

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I am trying to install R2019a but it wont let me open the app it only redirects me to the activation module to fill out over and over again. Anyone know how to fix this?

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Graph Shortest Path (Non-Negative Directed Graph)
There can be two issues: There is no path without including the edge There are other edges with higher edge_weights due to w...

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I installed statistics and machine learning tool box but it won't work

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licensing error with campus licence, Error: -5,357

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Challenges Installing Online Files

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2 variables in single cell
You can try the following approach: First you can make cell for all processes and populate it with duration of all processes i...

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Can't use Symbolic Toolbox after buying it and installing it

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I have a large array of small integer inputs and want to create a small array of Double outputs. Best machine learning approach?
As the number of data samples are less than no of features, if we use all the features then it can degrade the prediction perfor...

presque 5 ans il y a | 1

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reading and Image and classifying This using KNN stages
To answer your question first we need to understand what KNN is and how it works. KNN stands for K-nearest neighbors, which is ...

presque 5 ans il y a | 0

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How to classify tree seedlings with machine learning
For removing the background, you can refer to the following example for colored Images: https://in.mathworks.com/help/images/co...

presque 5 ans il y a | 0

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How to extract data and use the curve fitting toolbox to do a regression analysis?
For finding frequency of events you can use tabulate . You can then load the data using the curve fitting toolbox and then use R...

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What is the difference between the fit functions of regression model and the train regression models in regression learner app?
As per the documentation of fitrensemble it returns the trained regression ensemble model object (Mdl) that contains the results...

presque 5 ans il y a | 0

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How do I apply DNN for an 8 feature 99 examples pattern vector with desired labels "yes/no/NA" ?
You can refer to the following link for creating deep learning network for classification: https://in.mathworks.com/help/deeple...

presque 5 ans il y a | 0

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Building a time series predictive model using machine learning or deep learning for, intermittently sampled, vehicle diagnostic data
You can use the Diagnostic Feature Designer for extracting features of your data . Refer to the following video for getting st...

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