MATLAB Answers

How do I turn off a particular warning in MATLAB?

314 views (last 30 days)
I am receiving a warning that I am not interested in. I would like to suppress the display of that warning even though I do not know the warning identifier.

Accepted Answer

MathWorks Support Team
MathWorks Support Team on 19 May 2010
This change has been incorporated into the documentation in Release 2010a (R2010a). For previous releases, read below for any additional information:
The general method for suppressing a warning message is to issue the following command at the prompt:
warning('off', MSGID)
The string 'MSGID' is a unique identifier that corresponds to a particular warning message.
There are two ways to determine what a warning's identifier is, so that it can be suppressed later:
1) Just after the specific warning has been issued, run the following command:
[a, MSGID] = lastwarn();
This will save the message identifier to the variable MSGID. Then you can use the command given above to turn that particular warning off.
2) Turn on verbose warning messages with the following command:
warning on verbose
When warnings are displayed, they will include the command that can be used to turn that warning off.
  2 Comments
Walter Roberson
Walter Roberson on 23 Jan 2020
I just noticed a moment ago that MATLAB:hg:EraseModeIgnored cannot be turned off in practice; the message is produced anyhow.

Sign in to comment.

More Answers (1)

Pen-Li (Ben) Yu
Pen-Li (Ben) Yu on 18 Jan 2021
Find the warning structure
w = warning('query','last')
Get the warning ID
id = w.identifier;
Turn off the warning
warning('off',id)

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!