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Install both 32bit and 64bit versions of Matlab on Windows 7

Asked by Michael

Michael (view profile)

on 13 Apr 2011

Hello,

I am currently using a 64bit installation of 2010a on Windows 7. There are some incompatibility issues with the 64bit version for another program i am using and so need to use the 32bit version of Matlab. Is it possible to install the 32bit and 64bit versions on the same machine for either 2010a or 2010b or will i just have to remove the 64bit version?

Also, i read somewhere that when installing the 32bit version it shouldn't be placed in the 'Program Files (x86)' folder as it doesn't like special characters. Is this correct?

Many thanks,

Michael

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Michael

Michael (view profile)

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3 Answers

Answer by Arnaud Miege

Arnaud Miege (view profile)

on 13 Apr 2011
Accepted answer

Yes, it is possible. I have both the 32-bit and 64-bit installation of MATLAB on my machine, running Windows 7 64-bit. And yes, I would highly recommend installing the 32-bit in a different directory (I believe the problem is with the parentheses in the path). My 32-bit MATLAB is installed in C:\MATLAB_32bit.

To launch the 32-bit installer, you need to navigate on your installation DVD to bin\win32 and run the setup.exe file in there.

If you have both a 32-bit and 64-bit installation of MATLAB on the same machine, be aware that they share the same preference directory. This means, amongst other things, that when you switch from using one to using the other, you need to run mex -setup to set up the correct compiler (32-bit vs. 64-bit).

HTH,

Arnaud

4 Comments

Jan Simon

Jan Simon (view profile)

on 27 Oct 2011

@Arnaud: Then both versions will share the history also? This might have _interesting_ effects.

Engr Waqas

Engr Waqas (view profile)

on 8 Nov 2012

sir (Arnaud Miege) can you please tell me how to install Matlab on window 7? in easy way!

Thanks Waqas

Walter Roberson

Walter Roberson (view profile)

on 8 Nov 2012

Mathworks offers free technical support for installation issues, including for Student Version.

Arnaud Miege

Arnaud Miege (view profile)

Answer by Leif

Leif (view profile)

on 21 Nov 2011

FYI for anyone using the downloaded installers (not the DVD) --

If the 64-bit installer is located in the same directory as the 32-bit version, the 32-bit installer will install the 64-bit version instead.

To correct this, it is necessary to locate the 32-bit and 64-bit install files in separate folders; then the 32-bit installer will install the 32-bit version of MATLAB.

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Leif

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Answer by daniel

daniel (view profile)

on 27 Oct 2011

Thanks Arnaud,

worked great.

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daniel

daniel (view profile)

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