Prince Kumar
MathWorks
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I am an of Engineer in Engineering Development Group. at MathWorks. My major responsibilities **add your area of expertise/domain** at MathWorks.
DISCLAIMER: Any advice or opinions here are my own, and in no way reflect that of MathWorks.
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Feeds
cvpartition object with manual input
Hi, You can slice the data as per your need. Look at the following example : load ionosphere v2 = X(1:4,:); v2 = [v2; X(10:...
2 years ago | 0
How to spilt data for training and testing parts in a folder?
Hi, For splitting the data please refer to the following answers: https://www.mathworks.com/matlabcentral/answers/377839-split...
2 years ago | 1
print value to workspace
Hi, It is the expected behaviour where MATLAB save the latest value in the workspace. However, if you want to save all the val...
2 years ago | 0
What is wrong with my model? Validation accuracy doesn't seem to be improving at all
Hi, Please refer to the following answer: https://www.mathworks.com/matlabcentral/answers/1614485-cnn-validation-accuracy-not-...
2 years ago | 0
Increasing Validation Accuracy for CNN
Hi, Please refer to the following answer : https://www.mathworks.com/matlabcentral/answers/1606575-ai-model-increase-accuracy...
2 years ago | 0
Content based image retrival
Hi, It recommended that you divide the dataset into three part: Training set : for training the model Validation set : for hy...
2 years ago | 0
Overinflated mini-batch Accuracy and Validation Accuracy when training Faster-RCNN
Hi, This generally happens when your model is learning the data instead of learning the pattern. This scenario is called 'Overf...
2 years ago | 1
Classification Learner App Iterations
Hi, Your training sample is too small for the model to learn anything significant. If you train your model for large interation...
2 years ago | 0
cnn validation accuracy not increasing
Hi, According to the attached screenshot, the model is overfitting. This generally happens when your model is learning the data...
2 years ago | 0
Datastore Mask R-CNN for kidney segmentation
Hi, Please read the "Create Datastore that Reads Data" section from the following documentation. https://www.mathworks.com/he...
2 years ago | 0
| accepted
Computer Vision Toolbox Model for Mask R-CNN Instance Segmentation is not working.
Hi, The issue here is with your training data dimensions. As it is clearly stated in the error "Expected input to be of size ...
2 years ago | 0
Cannot find files or folders matching .... AWS S3
Hi, It looks like you are not reading the data properly. Please fo through the following doumentation and look couple of examp...
2 years ago | 0
I need to average three excel sheet containing 2 columns (A, B) of data set and 60 rows and then save it to another excel sheet with a plot. How should I do it?
Hi, You can take the following steps : Read the excel sheets using "readtable" Do your computation. Make sure that your resul...
2 years ago | 0
Importing header row of excel spreadsheet as a string array
Hi, You can use "detectImportOptions". Please read the following documentation for more information readtable Hope this help...
2 years ago | 0
How the Number of observations are calculated for a trained model developed using classifier learner app.
Hi, Generally the final model is trained with the full data set. Please go through the Choose Validation Scheme section from Se...
2 years ago | 0
Top ranking features using fscmrmr() have 0 for scores
Hi, Please have a look at the following example from fscmrmr for better understanding. load ionosphere [idx,scores] = fscmrmr...
2 years ago | 0
| accepted
Do anyone know how "wordcloud" function decide what word(s) to be highlighted?
HI, Wordcloud displays the words with sizes corresponding to the word frequency counts. Hopr this helps!
2 years ago | 0
Error when training neural network with multi feature inputs
Hi, Please refer to the following answers: https://www.mathworks.com/matlabcentral/answers/522086-how-can-i-train-multi-input-...
2 years ago | 0
| accepted
What is the correct way to update super class properties?
Hi, Please refer to the following documentation https://www.mathworks.com/help/matlab/matlab_oop/modify-superclass-properties....
2 years ago | 0
I keep getting a warning and poor classification using fitcecoc.
Hi, Please have a look at your data first, it seems you data is not in correct format. You are having 4 x 154 double array, it...
2 years ago | 0
| accepted
Deep Network Designer input layer Question
Hi, You can use either as it depends on the use-case you are trying to solve. You may have to reshape the input accordingly. B...
2 years ago | 0
Plot Probability of three different scale in the same axis
Hi, Please refer to the following answers https://www.mathworks.com/matlabcentral/answers/601147-extending-specific-y-axis-val...
2 years ago | 0
How to use Classification layer for dlnetwork
Hi, To implement a custom training loop for your network, first convert it to a dlnetwork object. Do not include output layers ...
2 years ago | 0
Trace in matrix?
Hi, Please refer to the trace documentation for better understanding. Thank You.
2 years ago | 0
installing matlab on ubuntu error message
Hi, This error is generally caused by broken symbolic links within the installer as a result of downloading and zipping the Dow...
2 years ago | 0
Copy sheets from an excel workbook to a new created workbook with matlab
Hi, Please refer to the following answers: https://www.mathworks.com/matlabcentral/answers/228912-copy-and-paste-excel-sheet-i...
2 years ago | 0
How to export several xlsx files in Matlab
Hi, Please refer to the following answers, these might help : https://www.mathworks.com/matlabcentral/answers/344767-exporting...
2 years ago | 0
Merge data from multiple XML files, Part 2
Hi, Currently MATLAB does not have a builtin function providing this functionality. But you can refer to the following answer...
2 years ago | 0
How to generate the F1-score, precision on the classification learner?
Hi Ng Yong Jie, You can use the confusion matrix to compute F1 score. This confusion matrix can bew generated in the plot secti...
2 years ago | 0
How i can implement a matlab function to find maximum likelihood estimate?
Hi, MATLAB has a function "mle" which you can use to compute maximum likelihood. For more information on the parameters for t...
3 years ago | 0
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