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Chidvi Modala


Last seen: Today

MathWorks

126 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
Error using the VideoReader Function in Pop OS 20.04
This is a known issue, and is fixed in R2020b As a workaround, you can set aside the libstdc++.so.6 file that ships with MAT...

2 hours ago | 0

Answered
Can you please help with the following code to generate a energy level diagram?
The horizontal bar is missing for few cases because you are ploting the energy1 values instead of energy2 values for few cases. ...

3 hours ago | 0

Answered
Cross-Sectional Area at Ports in Simscape
In general, "Cross-sectional area of port A/B" represents the area of the connection to that block. The cross-sectional area at ...

6 hours ago | 0

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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 days 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 days 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 days 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 days 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 days 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 days 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 days 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 days 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 days 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...

1 month 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')...

1 month 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 ...

1 month 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.

1 month ago | 1

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

2 months 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...

2 months 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...

2 months 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...

2 months ago | 1

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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...

2 months 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 ...

2 months 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_...

2 months 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...

2 months 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...

2 months 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...

2 months ago | 0

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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 months 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 months 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 months 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 months ago | 0

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