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Bhargavi Maganuru


Last seen: 3 days ago

MathWorks

38 total contributions since 2019

I am Application Support Engineer at Mathworks.
My areas of interest are Computer Vision,Machine Learning and Deep Learning.

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

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Answered
Read CRSP Data Stock by Stock
You can refer select datastore for information on how to handle the large collection of data, where entire collection doesn’t ne...

26 days ago | 0

Answered
how to to evaluate accuracy score for a model in matlab
You can use loss function to predict classes for the test data and to get accuracy of prediction.

27 days ago | 0

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transfer the formation the data in excel as a formation of matrix
You can refer xlsread and readtable to create matrix and table respectively from the excel files

27 days ago | 0

Answered
3D Linear Curve Fitting with guide
You can export .fig file to the .m file (File -> Export to MATLAB file) and edit in the OpeningFcn. For example, paste the foll...

29 days ago | 0

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loading data and creating a dot.mat file from scratch
Error is because, .mat file is given as input to the imageDatastore, but it accepts only location of the data. You can directly ...

29 days ago | 0

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Storing Results in a Matrix
You could use cell array to store the data. c={}; %Create an empty cell array Add your outputs to the cell array by assignm...

1 month ago | 1

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Problem importing axis on app designer
This is a known issue. There is a workaround for this error in the following link https://www.mathworks.com/support/bugreports/2...

1 month ago | 0

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Optimize Fitted KNN Classifier
Values of “NumNeighbors” and “Distance” are changing because of setting property ‘OptimizeHyperparameters' to ‘auto’ which will...

2 months ago | 0

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How to read an excel file row by row
If you want to access elements row wise you can just use for loop. for i=1:size(x,1) for j=1:size(x,2) % x(i,j...

2 months ago | 0

Answered
Undefined function or variable 'insfilterNonHolonomic'
'insfilterNonHolonomic' is the new syntax in R2019b version for the function 'NHConstrainedIMUGPSFuser' in R2019a version. So yo...

2 months ago | 0

Answered
Failed to start a parallel pool in MATLAB 2019b
There is a similar question which may be of relevance to you https://www.mathworks.com/matlabcentral/answers/196549-failed-to...

2 months ago | 0

Answered
How do I create a neural network that will give multiple input and outputs?
Inputs for the train should be R-by-Q matrix where R is input size and Q is batch size. Input size is 900x4 (Q- 900 and R-4) and...

2 months ago | 0

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App designer Table with input numbers of rows and columns
You can create properties and set the values using following code properties (Access = private) Property % Descript...

2 months ago | 0

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Answered
assigning nested for loop value to matrix.
Line 4 in your code gives logical matrix and using it in Line6 gives error. You can modify your code as b4=zeros(357,41); ...

3 months ago | 1

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Answered
Legend plot wrong colors
To skip the legend for a plot you can set ‘HandleVisibility’ property to ‘off’ For the plot in your code plot(y_l,BSS03,'Hand...

3 months ago | 0

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How can I use obw function in App Designer?
“obw” function without output arguments returns PSD plot in the current figure window and annotates the bandwidth. As gcf cannot...

3 months ago | 0

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Problem with get matrix from one function buton to second.
You can access variables in another callbacks by saving the variables to handles structure, which is usually input to all callba...

4 months ago | 1

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Answered
How to use images in drop down menu
Matrix dimensional error is because, value and options are compared using ‘==’ operator, it gives error when the length of the v...

4 months ago | 0

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How to extract the predicted response from the Regression Learner App ?
To extract the predicted response for trained data, Select Response plot and click Export plot to Figure. It creates a figure...

4 months ago | 0

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Answered
Predict Test Sample Response for SVM Regression Model
You can make changes in the example given in MathWorks documentation page to use different data which has different number of sa...

4 months ago | 0

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Newbie Table Array and UITable question
properties (Access = private) InstrumentTable end % Callbacks that handle component events meth...

4 months ago | 0

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Importdata not importing as a cell array and instead as a column vector
You can use textscan function to read data from an open text file into a cell array. f=fopen(‘a.txt’); data=textscan(f,'%f%f...

4 months ago | 0

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Answered
Classification Learner Dataset Preparation
You can perform supervised machine learning by supplying a known set of input data and the corresponding responses to that data ...

4 months ago | 0

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Which toolboxes do I need being an Electrical and Electronics engineer?
You can refer to the following toolboxes Communications Toolbox Antenna Toolbox RF Toolbox

5 months ago | 0

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Plot system of equations
You can create function handles to the named or anonymous functions. For example, for first equation in your system of equatio...

5 months ago | 0

Answered
How to import Excel data in Matlab GUI?
You can use following code to load and plot the data from excel file. function pushbutton1_Callback(hObject, eventdata, handles...

5 months ago | 1

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Answered
how to fit 3d points with a non linear curve?
There is a similar question which may be of relevance to you: https://www.mathworks.com/matlabcentral/answers/351777-how-to-fit...

5 months ago | 0

Answered
how to increase the number in for loop as i explained below??
You can create multidimensional array t to store t1, t2, ..t24 using “cat” function t=cat(3,t1,t2,..t24); Now you can access t...

5 months ago | 0

Answered
How to combine several .mlapp in MATLAB App Designer? [2017b]
There is a similar question which may be of relevance to you: https://www.mathworks.com/matlabcentral/answers/273805-how-to-sha...

5 months ago | 0

Answered
interp1 measurements drifting
As you mentioned SS1 and SS2 are arrays of 32 columns, but in the line K = interp1(SS1(1: end,1), SS2(1: end,1), RefernceTime...

5 months ago | 1

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