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Dheeraj Singh


MathWorks

29 total contributions since 2019

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 .

Dheeraj Singh's Badges

  • Knowledgeable Level 2
  • Revival Level 1
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Answered
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...

4 jours ago | 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...

5 jours ago | 0

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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...

5 jours ago | 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...

7 jours ago | 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...

7 jours ago | 0

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what is the main feature of numerical optimization techniques and does genetic algorithms consider a numerical optimization
You can refer to the following link for more information on numerical optimization which is mainly part of Optimization Toolbox:...

7 jours ago | 0

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Answered
Connecting various layers in deep learnig
You can use layerGraphfor connecting layers of your network. You can specify your network as a digraph: lgraph = layerGraph(da...

8 jours ago | 0

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Fitting ("Estimating") Multivariate Normal Distribution to Data
fitgmdist provides you different options which you can vary depending upon your data to get better results. You can adjust the ...

8 jours ago | 0

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MATLAB code for language identification using audio signal
For any identifying language you will need huge dataset of the words in that language if you want to use any Machine learning te...

8 jours ago | 0

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Monte carlo working with function
You can refer to the following MATLAB examples which shows the use of Monte Carlo in different application : https://in.mathwor...

25 jours ago | 0

Answered
MILP using Genetic algorithm - penalty value increases beyond the global minimum
You can refer to the following example in the link to know more about solving MILP using GA: https://in.mathworks.com/help/gads...

25 jours ago | 0

Answered
Classifying Erroneous Data Sections of Time Series Using Machine Learning
You can use isoutlier to finding out outliers in your data. There are different methods that you can use for checking erroneous ...

26 jours ago | 0

Answered
Using two differents distance in the same clustering algorithm
I understand that you want to use mahalanobis distance for calculating distance between clusters and then use a custom distance ...

29 jours ago | 0

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How to create the contour (closed surface) utilizing matlab functions or loopings using the given Matrix under certain conditions
I understand that you want to fill the matrix such that the boundaries are filled circularly. And for starting 3, it should be ...

29 jours ago | 0

Answered
Covariance matrix and principal components
When you are using the following code for pca: [coeff2,score2,latent2,tsquared2,explained2,mu2] = pca(realization_mat','Centere...

environ un mois ago | 0

Answered
Unexpected image size: All images must have the same size.
You can use augmentedImageDataStore to resize all images to same size. Use the following code for your problem: dataChest = f...

environ un mois ago | 1

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Answered
how does the gaussian mixture model regularization value work?
By adding very small positive number (say c) on the diagonal of covariance matrix, you are basically shifting the eigen values b...

environ 2 mois ago | 0

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How to optimise path for robotic manipulator with obstacle avoidance??
For a 2D environment, you can use PRM . For building the environment you need to give the environment and number of points as i...

environ 2 mois ago | 0

Answered
Looping through different fields in struct
As mentioned in the comments above, it is not a good idea to define dynamic variable names. But if you want to avoid manually w...

environ 2 mois ago | 0

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Answered
inPolygon entry time and exit time
I understand that the main issue is repeated querying of large number of points to inpoygon function. One approach can be fil...

environ 2 mois ago | 0

Answered
Mixed Integer Linear Programming with Matrices
Suppose you have matrix with constraints and inputs specified as rows (or columns). You can specify the inputs and constraints ...

environ 2 mois ago | 0

Answered
Comparing and exporting data from 3 tables
I understand that you want to compare columns of different tables and then export them as a new table and highlight the common e...

environ 2 mois ago | 0

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MILP Optimization dynamic input
I understand that you want to enter user input through a table. You can do that by making the table fields editable. So, de...

environ 2 mois ago | 1

Answered
i do a face recognition and i got some problem. How to know someone does not have in our database
One way to do it is, by creating an extra class. Using AlexNet, whenever you give an image, you will get confidence value for ea...

environ 2 mois ago | 0

Answered
how can I fit a composite function
There are many ways of fitting parameters to the data. Firstly, you can form the equations in the following manner: z= @(x0,w,...

environ 2 mois ago | 0

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n+1 in formula
Hi, I understand that by “put” you mean you want to implement it without using loops. The following code implements the above ...

2 mois ago | 0

Answered
How can I do graph matching?
Hi, I understand that you are representing every gene as a graph and want to compare two genes after the image gets updated. ...

2 mois ago | 0

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Answered
Histogram with time data
Hi, You can use the xticks and xticklabels to plot the frequency histogram. The following code below implements the above requ...

2 mois ago | 0

Answered
Importing multiple csv files as separate structures
Hi, I understand that you want to traverse folder which has subfolders, having csv files. You want to read csv files as a struc...

2 mois ago | 0