Fuzzy text in MATLAB Live Editor

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Charles Refvem
Charles Refvem 2020-12-4
编辑： Ahmet Berk Selvi 2023-9-7
I've been having some small issues with my MATLAB Live Editor.
On occassion I will notice that the text in the live editor is rather blurry and hard to read. it affects plots as well. See below:
When I click on the MATLAB Live Script and "focus" on the section that is fuzzy, all of a sudden the text becomes sharp. See below:
I only just started noticing this, but it may have been occuring since I recently switched to a new computer. I know I never noticed it on my last PC. I thought perhaps it might be some kind of display or graphics setting on my new fancy GPU, but I am unsure. Does MATLAB have any recommended settings for the NVIDIA Control Panel?
I am running MATLAB Version 9.9.0.1495850 (R2020b) Update 1 and my PC has the following hardware:
OS: Windows 10 Po 20H2 - Build 19042.630
CPU: Intel i9-10920x
RAM: 128 GB Corsair LPX
GPU: NVIDIA GeForce RTX2070 Super
MOBO: Asus X299X AUROUS PRO
Display 1: LG 27UN850-W
Display 2: LG 27UN850-W
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Charles Refvem
Charles Refvem 2022-9-17
This problem seems to have come back for me, and the settings tweak no long resolves the issue. I've tried tweaking every possible setting I can think of from screen scaling, to 3D graphics settings. Something is just broken.
The live editor is virtually unusable now. The problem even manifested today in the installation of R2022b.
Robert
Robert 2023-1-28
I'm having the same problem with R2022b Update 3. The fonts get fuzzy within 5-10 seconds. Setting focus to the editor makes the fonts crisp again. Nvidia Quadro RTX 4000. I did change the Nvidia 3D Settings to FXAA = off and restarted Matlab and the fuzzy text, getting fuzzier while you watch, went away. The text seems just slightly fuzzy all the time, but barely usable.

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回答（6 个）

Jonas Becker
Jonas Becker 2021-12-16
In my case (see comments on first post) it has something to do with the Matlab help. When I open Matlab, all the text is depicted sharply and as it should be. BUT: As soon as I open Matlab help the font becomes fuzzy. When I close the help window, the problem persists.
My solution: Restart Matlab and use the Matlab help on the internet.
  1 个评论
Fabian Bunjes
Fabian Bunjes 2022-7-6
Same here. The Problem comes when starting Matlab Help inside Matlab.
Restarting and Using Matlab Help on the Browser is my only Solution so far. Hope this gets fixed

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LCR
LCR 2021-12-20
编辑：LCR 2021-12-21
In my case, whatever I do by applying suggested solutions from the Internet are not working.
The only way to fix the issue is just simply disabling the FXAA and all edge smoothing items in the 3D setting of the Nvidia control panel.( Right click on screen) for my Nvidia RTX4000 card.
  2 个评论
Charles Refvem
Charles Refvem 2021-12-25
编辑：Charles Refvem 2022-9-17
It seems that disabling FXAA is sufficient to fix the problem for me. Thanks for the suggestion!
Edit 9/16/22: Disabling FXAA (or any other settings) no longer seems to resolve the issue for me.
LCR
LCR 2021-12-25
Double checked and you are right. Disable the FXAA is enough.

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David Powell
David Powell 2023-8-1
If you use this command, it should hopefully help with the problem. It seems like an open gl driver issue.
Open Matlab and type:
>> opengl('save','software')
close matlab and reopen.
  1 个评论
Ahmet Berk Selvi
Ahmet Berk Selvi 2023-9-7
编辑：Ahmet Berk Selvi 2023-9-7
I had the same issue after updating to RTX 4090, and this solved the issue for me. Thanks a lot!

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Swetha Polemoni
Swetha Polemoni 2020-12-8
编辑：Swetha Polemoni 2020-12-8
Hi Charles Refvem,
This issue has been brought to the notice of developers. They may investigate further.
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Kelly Cui
Kelly Cui 2021-9-30
I found the same problem in the latest 2021b version. The text blurry is severe. When I click on the MATLAB Live Script and "focus" on the section that is fuzzy, all of a sudden the text becomes sharp. But after a few moment, the text becomes blurry again. I just searched for how to fix it, but I found no idea.
Jack S
Jack S 2021-10-24
Same issue here, no solution yet.. live scripts borderline unuseable

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Young Yoon
Young Yoon 2023-1-30
I had noticed the same issue today for the first time - as it was fine before today. While looking for the source and fix to the problem (by coming here), it eventually dawned me that I had changed the default monitor (amongst multiple display screens) to a screen with a smaller display resolution. When I reset the default monitor to the earlier one with a larger display resolution, voila, the sharp fonts reappeared. Your mileage may differ.
Mokhles
Mokhles 2023-6-20
Same here! Any solution from Matlab for the blurry text in live script yet?
  2 个评论
Charles Refvem
Charles Refvem 2023-6-20
No improvement for me. It seems to get worse at each release also. R2023a is essentially unusable for me. Just look at the Simulink start page...
Mokhles
Mokhles 2023-6-20
I have the same issue with the same 2023a Matlab after GPU changed to GTX 4090.

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