What is the maximum size of a matrix?

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Guillermo Schaffeld on 7 Jun 2021

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Commented: Guillermo Schaffeld on 8 Jun 2021

Accepted Answer: Walter Roberson

I want to know the maximum number of rows and columns that is possible with MATLAB.

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Guillermo Schaffeld on 8 Jun 2021

Excellent.

Thank you very much.

Best regards

Guillermo

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Walter Roberson on 8 Jun 2021

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The maximum number of rows or columns in MATLAB is 281474976710655 which is 2^48-1 .

However, the array must fit into memory.

See also

https://www.mathworks.com/matlabcentral/answers/620793-matlab-not-using-the-ram-entirely-is-it-because-i-have-an-academic-license#answer_519893

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