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Why do I receive an error about closing a MAT file in the TEMP directory when I attempt to save a large number of variables using the SAVE command in MATLAB 7.9 (R2009b)?

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MathWorks Support Team 2013-1-29

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https://ww2.mathworks.cn/matlabcentral/answers/96892-why-do-i-receive-an-error-about-closing-a-mat-file-in-the-temp-directory-when-i-attempt-to-save-a-la

编辑： MathWorks Support Team 2019-6-13

采纳的回答： MathWorks Support Team

I get the following error when I try to run a test that loads large data in SystemTest:

Error closing file C:\Temp\test15016941.mat

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MathWorks Support Team 2019-6-13

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https://ww2.mathworks.cn/matlabcentral/answers/96892-why-do-i-receive-an-error-about-closing-a-mat-file-in-the-temp-directory-when-i-attempt-to-save-a-la#answer_106242

编辑：MathWorks Support Team 2019-6-13

This is due to the way logged data is saved in MAT files in MATLAB 7.9 (R2009b).

As a workaround, use the -v7.3 option while saving data to MAT files:

save -v7.3 mymat

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Simulink Simulation Prepare Model Inputs and Outputs

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SystemTest

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R2009b

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