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Swetha Polemoni

MathWorks

Last seen: oltre 2 anni fa |  Attivo dal 2020

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I am Application Support Engineer at Mathworks.
Disclaimer: Any articles /ideas/opinions here are my own and no way reflect that of Mathworks

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  • 3 Month Streak
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Risposto
How visual speech recognition is done using CNN and LSTM in Matlab?
Hi It is my understanding that you wanted to know how to work/ use LSTM and CNN in Matlab. The following documentations might h...

oltre 2 anni fa | 0

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Can I control create interface to save pictures from Xenics Software ?
Hi Haris It is my understanding that you wanted communicate with Xenics Software using matlab. You can connect Xenics Camera t...

oltre 2 anni fa | 0

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How to get feedforwardnet outputs for all hidden neurons?
Hi xin hui leong, The error "unable to perform assignment because the left and right sides have different number of elements" w...

oltre 2 anni fa | 1

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How to set up Sparkfun Redboard in MATLAB Support Package for Arduino Hardware Documentation
Hi It is my understanding that you want connect Sparkfun Redboard to Matlab. The first step is to get hardware support package....

oltre 2 anni fa | 0

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How do I partition data sets for cross validation in MATLAB?
Hi It is my understanding that you want to partition the dats randomly. You can use either cvpartition from Statistics and Mach...

oltre 2 anni fa | 0

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reverse transformation for scale up 2 times for rows and 1.6 times for columns(a image), don't use MATLAB or any other build-in functions imwarp
Hi Inverse of matrix can be found by inv. It is my understanding that you want to find the inverse of your image 'inp'. The fo...

oltre 2 anni fa | 0

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Old-version simscape model cannot run on MATLAB 2020
Hi, The error is because Simscape no longer supports use of first-generation functions and blocks in 2017, so it cannot find t...

oltre 2 anni fa | 1

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R2021a can't use Help, and reported failure. Can't set the preference - Help
Hi, The "NoClassDefFoundError" error is thrown because MATLAB was not able to locate Java Runtime libraries that are used by th...

oltre 2 anni fa | 0

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feedforward net for regression.
Hi Pappu Murthy, It is my understanding you wanted to train a network given input and true lables(Supervised learning). I under...

oltre 2 anni fa | 0

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Matlab 2021a freezes on startup for ~5 min, then becomes responsive
Hi Please reach out to our Support Team. They would be able to assist you with installation and licensing issues.

oltre 2 anni fa | 0

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NUFFT vs FFT?
Hi fft and nufft both are fast ways to calculate Discrete Fourier Transform of any signal. The only disadvantage of fft over n...

oltre 2 anni fa | 0

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increase processing speed of code entropy histcount
Hi In the following documentation general techniques to improve the performance has been mentioned Techniques to Improve Perfo...

oltre 2 anni fa | 0

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Adding a new plot to existing figure
Hi You cannot have two y axes in fit however you can have z axis along with x and y axes to fit your data. Here is an example ...

oltre 2 anni fa | 0

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Compare two Fourier series to depict the signal smoothness
Hi You can use findpeaks to find local maxima i.e., all the peaks in the signal. Now invert the siganl and use "findpeaks" to ...

oltre 2 anni fa | 0

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How to share variables across Matlab App Designer Apps
Hi A similar question has been discussed on the following MATLAB answers link. You may find this helpful How to share data bet...

oltre 2 anni fa | 0

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Can a neural net be trained to solve this problem?
Hi It is my understanding that you want to categorise trace segment to its mean line(class). You can use Classification for the...

oltre 2 anni fa | 0

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Problem installing the Communications Toolbox Support Package for USRP
Hi Here is a possible work around/solution that you may find useful It still should be possible to programmatically setup your...

oltre 2 anni fa | 0

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i am trying to solve ODE with the help of laplace transform, but it shows error in doing so, why?
Hi The error is due to usage of x(t) before decalaring it . Try the following line of code. syms x(t) Hope this helps

oltre 2 anni fa | 0

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Transformation of time domain to frequency domain
Hi You may find the following documention Digital and Analog Filters useful to understand more about filters. This documentati...

oltre 2 anni fa | 0

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Training a audio classification neural network with .csv's containing features over time
Hi It is my understanding that you want to feed the network with tabularTextDatastore. You can use transform to convert the t...

oltre 2 anni fa | 0

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MATLAB Neural Network - Forward Propagation
Hi, You might want to check on the format of for loops you have used(for ii = 0: ii < length(NINPUTS)). This can be replaced w...

oltre 2 anni fa | 0

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in the picture below you can find a message which describe what I need to fix in these two equations in the description.
Hi As the warning clearly mentioned, try replacing inv(A + diag(zeta))*b with b/ inv(A + diag(zeta)). Because in Matlab inv(...

oltre 2 anni fa | 0

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Biexponential fit help?
Hi, The following answer might help you. Biexponential fitting (non-linear regression)on Matlab

quasi 3 anni fa | 0

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How to save data when execution is paused
Hi Divij Gupta In Matlab, whenever a pause button is pressed all the workspace variables are updated according the latest run o...

quasi 3 anni fa | 0

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Error Using Prediction With LSTM
Hi It is observed that you are calling "predict" on the layerGraph object/layers array. predict is not allowed on layerGraph ob...

quasi 3 anni fa | 0

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Under, perfect, and over sampling a function and zero-order hold interpolation
Hi, For a signal sin(2*pi*fm*t) , fm is its frequency. To sample this signal replace t = N*Ts. where N is an integer and Ts is ...

quasi 3 anni fa | 0

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Get image mouse click position in App Designer
Hi, The following answer might help you. How to get pixel's position of an image in UIAxis in AppDesigner?

quasi 3 anni fa | 0

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signal.fftconvolve equivalent in Matlab
Hi Avik Mahata It is my understanding that you want to do convolution and autocorrelation in matlab. You can use Matlab functio...

quasi 3 anni fa | 0

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Plotting graph with different color points
Hi To generate a random value in a given range, "randi" Matlab function can be used. Following is an answer that will help to ...

quasi 3 anni fa | 0

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Rectangle Detection in An Image
Hi Ryan Murphy, You may find Edge detection methods for finding object boundaries in images helpful.

quasi 3 anni fa | 0

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