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Sanjana Ramakrishnan

MathWorks

Active since 2017

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Answered
How does one get polynomial features like in python but for MatLab?
There is not a direct way of creating a polynomial matrix in MATLAB. Refer the below link for information on polynomial matrice...

4 years ago | 0

Answered
Controlling random number generation in simulation
The following are the quantile values with different sample sizes: Sample size: 10000 Quantile value: -1.5971e+03 Sample siz...

4 years ago | 0

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Testing private functions in classes
Refer the below link for an example of writing MATLAB unit tests relevant to your case: <https://www.mathworks.com/help/matl...

4 years ago | 0

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R2017a - Multiple Webcam image capture in .m code
Please provide the reproduction script and any error message that you might be facing.

4 years ago | 0

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Convolutional 1d net
Please note that for image and sequence-to-label classification problems, Y must be a categorical vector of labels. Refer the be...

4 years ago | 1

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NO MATLAB command specified
Since you are using -r flag with matlab command, you would not require the pipe symbol to invoke the 'hello.m'. Modifying the co...

4 years ago | 0

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Why does the arduinosetup command not pop up the interface?
Execute the below command in MATLAB command window to check if the Arduino support package is installed correctly: >>which -a...

4 years ago | 0

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Mex files and parallel processing on a supercompouter: Issue with addAttachedFiles
The attached mex files may not be in the location where the job in the cluster is executing. To get the location of attached fil...

4 years ago | 0

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End user installation of standalone application on Linux
The end user would be specifying the path to download the MCR while installing the compiled application through the installer. A...

4 years ago | 0

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Why could I specify a file path and file name for the logfile in Matlab Compiler 2012b but I can only specify the file name in 2016a?
In step 6 described in the below link to create a standalone application with MATLAB Compiler, when you click package button, yo...

4 years ago | 0

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Is there a way to access data from a local ThingSpeak server using the ThingSpeak Matlab Toolbox?
Refer the below link to connect to ThingSpeak server by providing IP address: https://www.mathworks.com/help/thingspeak/chann...

4 years ago | 0

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Packaged app automatic update ?
There are two ways to accomplish this. Approach I: Store the compiled application in Network drive, and make all users to use...

4 years ago | 0

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What C-compiler do I need to be able to use IGES toolbox ?
Based on the below file exchange link for IGES toolbox, it looks like you need C compiler to build mex files: <https://www.math...

4 years ago | 0

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Is there a way to add a custom image to a webmap?
If you want to add information to the web map, you can add overlay layers to the webmap. Refer the below link: https://www.math...

4 years ago | 0

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Is there a codec to read/write lossless Motion JPEG 2000 (Archival) videos outside of MATLAB?
MATLAB uses a third party library called Kakadu for doing any Motion JPEG-2000 encoding and decoding. The vendors website is htt...

4 years ago | 1

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How can I Install Distributed Computing Server using windows?
Please note that MATLAB Distributed Computing Server is a toolbox that needs to be purchased before it can be installed and used...

4 years ago | 0

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Can I step through Matlab code when it's added to an application as a DLL
It is not possible to step through the code in the compiled application, as the code would get encrypted during the process of c...

4 years ago | 1

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Using a for loop to reach a certain criteria
You can use recursive functions instead of for loop with depth first search or breadth first search to achieve your requirement....

4 years ago | 0

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I am getting errors trying to open figures of large data sets
The error message might occur if you try to store matrix in the mat file which has size greater than the maximum size supported ...

4 years ago | 0

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Can a variable length signal be converted to a fixed length signal?
S-Functions support variable size signals. Refer the below link for more information: https://www.mathworks.com/help/simulink...

4 years ago | 1

Answered
I am trying to write my own rref and have the following code. It appears to have worked for the first column but not for all other columns for a test augmented matrix I entered. Can you please assist? Thanks!
Refer MATLAB source code for reference by typing the below command in MATLAB command window: >>edit rref You might also fi...

4 years ago | 0

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How to set up mex with gfortran on Mac?
Please note that gfortran is not a supported compiler on MATLAB R2016a on Mac OS. Refer the below link for more information: ht...

4 years ago | 0

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mathematics behind the calculation of wavelet packet coefficients in matlab
You might find the below documentation link useful: https://www.mathworks.com/help/wavelet/ug/wavelet-packets.html

4 years ago | 0

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Error executing [ap, recall, precision] = evaluateDetectionPrecision(results, expectedResults);
The second parameter of the 'evaluateDetectionPrecision' function should be in the format as specified in the documentation link...

4 years ago | 0

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How can I use neural network time series toolbox to actually make predicts?
Refer the below example code for predicting using Neural Network: 1) Load the simple time-series prediction data and create a...

4 years ago | 0

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Drawing tetrahedron with surface normals
You can use 'triangulation' and 'faceNormal' functions to draw the surface normals. Refer the below link for more information: ...

4 years ago | 0

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Viewing and working on 3D image
If the image is in dicom format you might find the below file exchange link useful: https://www.mathworks.com/company/newslet...

4 years ago | 0

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Database organization using algorithms
You can use the implementation of Levenshtein and edit distance algorithms present in the file exchange for your requirement. Re...

4 years ago | 0

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editor with multiple tabs
If the files are not showing in different tabs in the editor, then they might have been undocked. Docking them would open in sep...

4 years ago | 0

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Please help me to drawing graph(sin graph + width )
You can plot a sin wave using 'sin' function. Refer the below link and example: https://www.mathworks.com/help/matlab/ref/sin...

4 years ago | 0

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