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Chidvi Modala


Last seen: 3 dagen ago

MathWorks

123 total contributions since 2019

I am an Associate Application Support Engineer in Engineering Development Group at MathWorks HYD. My areas of interest are Communications, Signal processing and Simulink.

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

Chidvi Modala's Badges

  • Knowledgeable Level 3
  • Revival Level 3
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Answered
Matlab Variable Naming For Another Variable
You can make use of the following piece of code for i=1:3 eval(['A' num2str(i)]) end But there are many disadvantages of...

3 dagen ago | 0

Answered
Error in custom reset function while trying to run Cart Pole example
Hi, From my understanding, you are trying to run the entire provided code in a single script. As mentioned in the link, the cus...

3 dagen ago | 0

Answered
Access to self pace blocked
If you are enrolled in a Self Paced training and you need additional time to complete this training due to extenuating circumsta...

6 dagen ago | 0

Answered
Cannot install MatLab 2020a University total headcount license Gtk-Message: 10:28:25.912: Failed to load module "canberra-gtk-module" Ubuntu 20.04/Pop!OS 20.04
GTK is a toolkit used for creating GUIs. Most of the default Ubuntu desktop, and the GNOME desktop environment, is developed us...

6 dagen ago | 1

Answered
plotting of two datasets of different length with similar look as heatmaps/colormaps
Hi, The following piece of code might be of help to you % This code can be optimized but it is elaborated for better understan...

6 dagen ago | 0

Answered
How to fix the Problem about MPC Controller Toolbox in Simulink?
The reason might be because you are trying to design MPC Controller without specifying MPC object. In order to do that, you migh...

6 dagen ago | 0

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Answered
Why is MATLAB using 12% CPU at idle?
The issue is specific to system settings, or due to a third party software installed in the system. Many products in MATLAB rel...

6 dagen ago | 1

Answered
Impulse response acoustic information calculator
varargin is an input parameter given to a function definition statement in order to accept any number of input arguments. For e...

27 dagen ago | 0

Answered
How can i read mjpeg video?
'updateTimestamp' is not triggered in Linux which is why isNumFramesAvailable is 0. And that is the reason why NumFrames is alwa...

28 dagen ago | 0

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Answered
deploy c++ shared library, generated from matlab, in cpp
These link errors might occur because Visual C++ by default builds projects to target 32 bit platforms however you are using a 6...

ongeveer een maand ago | 0

Answered
Is there a way to use the logged user information from the new Web App Server, inside an app? Like the name of the user on the right top corner?
You can make use of the following commands for user information getenv('UserName') getenv('UserProfile') getenv('UserDomain')...

ongeveer een maand ago | 0

Answered
Meaning UL and ULL in Code Generation?
The data types that are generated depend on the target platform and compiler. UL here stands for unsigned long datatype and ULL ...

ongeveer een maand ago | 0

Answered
Bug in TabGroup appearance in AppDesigner (R2019b)
This is a bug. I have brought this issue to the notice of our developers and will try to fix it in future releases.

ongeveer een maand ago | 1

Answered
vartestn error line 272
Are you trying to use the Levene's tests for data with a single group?

ongeveer 2 maanden ago | 0

Answered
libSVM problem related to Compiler in MATLAB2017b , Window 8 (64 bit)
This error may be due to a corrupt installation of the MinGW compiler. To solve this issue, please re-install MinGW: https://i...

ongeveer 2 maanden ago | 0

Answered
How to execute C++ scripts and functions which I need to call from MATLAB (2019a) scripts/functions?
To create and use a MEX file, you may need to: Determine and install a supported compiler for your MATLAB release. Execute 'me...

ongeveer 2 maanden ago | 0

Answered
libSVM problem related to Compiler in MATLAB2017b , Window 8 (64 bit)
You may search for "MATLAB Support for the MinGW-w64 C/C++ Compiler" in the MATLAB Add-ons menu. You can then install the suppor...

ongeveer 2 maanden ago | 1

| accepted

Answered
Using Matlab compiler which(filename) can not locate file
I tried generating executable for the following piece of code in MATLAB R2020A function code() filename = 'abc.m'; str = whic...

ongeveer 2 maanden ago | 0

Answered
Undefined operator '==' for input arguments of type 'struct'. netcdf files
In the provided code the resultant variable 'ncFilename' is of struct datatype. By doing this ([myFolder ncFilename]) operation ...

ongeveer 2 maanden ago | 0

Answered
Bug in TabGroup appearance in AppDesigner (R2019b)
This looks like an expected behavior. When you first create TabGroup_parent, the highlighted region will be around the TabGroup_...

ongeveer 2 maanden ago | 0

Answered
Error in fmincon - getIpOptions is coming as unrecognized function or variable
The file 'getIpOptions.m' should be stored in the directory identified below. You can run this line of code which should open th...

ongeveer 2 maanden ago | 0

Answered
Finding segmented triangle area of polygon
You can make use of the following code to capture the area of each triangle and also to find the area of entire polygon functio...

ongeveer 2 maanden ago | 0

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Answered
How do I create a single square wave of variable duty cycle and length.
From my assumption, you are trying to generate a square wave which looks like in the below image, when length_of_wave is 100, nu...

ongeveer 2 maanden ago | 0

| accepted

Answered
Stateflow String Output - cannot assign string type to variable
Characters are not valid Simulink signal types - only numeric, fixed-point, enumerated and bus types (with elements of supported...

2 maanden ago | 0

Answered
I have this error whenever I try to define a fixed interval. How could I solve it?
It looks like you are not having license for 'Fixed-Point Designer' toolbox. You can try the trial version of this toolbox by in...

4 maanden ago | 0

| accepted

Answered
I am getting error in qammd function, how to over come this?
I assume cpnvenc is actually convenc function. qammod(data,M) modulates input signal data by using QAM with the specified modu...

4 maanden ago | 0

Answered
Warning: Some input or output names are repeated.
InputName property of tf function is used to identify channels on model display and plots. When sys.u is assigned to {'x1';'x2'...

4 maanden ago | 0

Answered
Moving / Changing / Editing the Position of Nodes on Blocks Without Resizing the Blocks
Changing the position of nodes on blocks without resizing the block is not available in Simulink. You can refer to this docuemt...

4 maanden ago | 0

Answered
how to add toolbox or library in matlab or simulink
To install new toolboxes, rerun the MATLAB installer to add any additional products not currently included in your installation....

4 maanden ago | 0

Answered
Incorrect values using ytickformat
The ytickformat function controls how tick label strings are automatically calculated based on tick values, but only if the user...

4 maanden ago | 0

| accepted

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