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Why do simple calculations take such a long time in Matlab 2020 on my computer?

+2
−0

For example:

2+2
ans =
     4
10-5

MATLAB

It takes 10-20 seconds before I get the result (ans=...). Why it is taking so long to return the answer to such a simple calculation? The system requirements for the software are:

  • Operating System: Windows 7/8/8.1/10
  • Memory (RAM): 2 GB of RAM required.
  • Hard Disk Space: 30 GB of free space required.
  • Processor: Intel Dual Core processor or later.

The computer is a laptop with 6 GB RAM and a Core i5. The processor isn't good; is that the reason for this to take so long? Sometimes it takes a minute to complete a calculation.

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Official system requirements for R2020a can be found at https://de.mathworks.com/content/dam/mathwork... (1 comment)
Link to Mathworks forum post discussing same/similar issue (1 comment)

1 answer

+1
−0

I have a more powerful computer and Matlab 2020 does the simple calculation with reasonable speed on it:

>> tic;6+4;toc;
Elapsed time is 0.000156 seconds.

Therefore I think it's simply the Matlab environment that is too heavy for your computer and not a problem with Matlab 2020 itself. See the recommended hardware specifications for Matlab 2020. Even on my system the startup of Matlab can take ~10 seconds. It's really demanding.

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