Difference between 32-bit and 64-bit Matlab 2011b versions?

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Rashmi Bharadwaja
Rashmi Bharadwaja 2017-6-29
评论： Jan 2017-6-29
Hello all,
Do any of you know the differences between Matlab-2011b 32-bit and 64-bit versions?
Thanks in advance.
Cheers, Rashmi

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回答（2 个）

Walter Roberson
Walter Roberson 2017-6-29
The 64 bit version can handle larger memory, and organizes its internal memory slightly differently.
One maximum array size limitation was removed so that all available memory could be used; the 32 bit version had a limitation that could be exceeded in the case of using a very long logical vector when 4 or more gigabytes of physical memory was available and the /3G operating system boot-time switch was being used.
Jan
Jan 2017-6-29
The most obvious answer is, that the 32 bit version is compiled for 32 bit systems, and the 64 bit version for 64 bit systems.
The Mex files are called differently and do not run in the other version.
The 32 bit version can be installed on a 64 bit system also (at least under Windows), but e.g. the compliler has problems with the parenthesis in the folder name "Program Files (x86)", so I installed it in an extra folder "C:\Program_", where I install software, which fails for spaces in the path also.
Because this answer looks trivial, I assume you might have a specific problem. Then please explain this.

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