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Issue installing the SDPNAPLUS library to MATLAB (2021a)

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I am trying to install the following library https://blog.nus.edu.sg/mattohkc/softwares/sdpnalplus/ and I am trying to follow the steps required.
After storing the downloaded directory in my Desktop folder, I opened MATLAB (2021a) within the directory. Then I am supposed to check if the installation was completed by running:
>> SDPNALplus_Demo
but being a newbie in MATLAB I cannot figure out how. Specifically I do not know how to run commands in the command line of MATLAB. I can write script and run it but it would be useful to know how to run something directly from the command line of MATLAB.
Additionally, I tried running the following as script:
>> [blk,At,C,b] = read_sdpa('theta4.dat-s');
>> [obj,X,y,Z] = sdpnalp(blk,At,C,b);
but again I get the error:
Unrecognized function or variable 'read_sdpa'.
I am not sure then how to install correctly this library. Any help would be appreciated.

Answers (1)

Anjaneyulu Bairi
Anjaneyulu Bairi on 15 Feb 2024
Edited: Anjaneyulu Bairi on 15 Feb 2024
Hi,
To install SDPNAPLUS library in MATLAB 2021a , follow below steps
  • Visit the following URL to obtain the library: SDPNALPLUS Download.
  • Once downloaded, extract the contents of the ZIP file to a convenient location on your computer.
  • Proceed to launch MATLAB, ensuring that the current directory is set to the location where you extracted the library files.
  • In the MATLAB command window, enter SDPNALplus_Demo to initiate the library's demonstration script which returns the output in command window( refer the attached image ).
  • By following above installation steps , you can read SDP data file by using "read_sdpa" command (refer the second picture).
I hope this helps to resolve your query.

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