Error using load Can't read file

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Zhentong LIU
Zhentong LIU on 21 Apr 2014
Commented: Nour Latrach on 6 Jun 2022
Hi guys, I want to load a mat. file, sometime it works, and sometime it doesnot work,saying'Error using load Can't read file'. When i use the 'exist()', it returns 2. Sometime i need to restart my MATLAB, then the data can be loaded successfully. Please help me to figure this out. Thank you very much!
  2 Comments
Benjamin Friedrich
Benjamin Friedrich on 31 Aug 2014
I had a similar problem (opening a 1GB mat-file that DID exist in the current folder). After a simple "clear all", I could load the file.
verdyanto agung
verdyanto agung on 18 Feb 2021
hello, please help me to get problem solving this my case, please....
thank you...
please share your solving in my email, verdyantoagung@gmail.com

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Answers (7)

Wenqi Ouyang
Wenqi Ouyang on 5 Jun 2016
It's always due to running out of memory. I close other programs and restart MATLAB then it works.
hossein
hossein on 21 Apr 2014
  4 Comments
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shelley
shelley on 20 Aug 2014
no, it is local.
Tra Ngo
Tra Ngo on 18 Mar 2020
Newsreader is no longer available (as of 2020).

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Jan
Jan on 20 Aug 2014
Is the file open already?
Did you exhaust the number of files open at the same time?
What does this reply:
fopen('all');
shelley
shelley on 4 Sep 2014
Hi All I just learned that this problem could likely be due to "fragmentation" issue associated with Windows XP 32-bit system. Refer to this link on " Long-Term Usage (Windows Systems Only) "
Xikang Luo
Xikang Luo on 22 Aug 2017
yeah, I agree with that； It's always due to running out of memory. I close other programs and restart MATLAB then it works.
I try clear some other matrix and it worked!
Tra Ngo
Tra Ngo on 18 Mar 2020
I have R2019b, still encountering loading problem as below. I tried 'clear all', closing all other programs and restart MATLAB. My Java Heap Memory is maxed out (2,018 MB). OS is 64-bit, Windows 10. The specific file that I'm trying to load is a very big structure containing 3 fields.
>> load('Channel_1_tracking_result.mat','tracksFinal')
Error using load
Unable to read MAT-file
Not a binary MAT-file. Try load -ASCII to read as text.
  2 Comments
erencaglar
erencaglar on 22 Mar 2020
did you solve the problem?
Tra Ngo
Tra Ngo on 22 Mar 2020
Not really. I resorted to using a 32GB Ram CPU, instead of the 8GB Ram one I was using to load the file. Somehow, when I resave the .mat file, I was able to load it using the 8GB Ram one.

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Yunalisa Amalia
Yunalisa Amalia on 8 May 2022
hi all, please help me how to solve this problem in matlab, when i want to open the matlab application then what happens is that the application does not want to open, then what is the solution guys?
  1 Comment
Nour Latrach
Nour Latrach on 6 Jun 2022
i experienced the same thing. You need Delete the installation manually then Re-Install

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