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I want to use xlsread function in matlab to import very small data like 10E-13. But it always shows 0 in vector 'num'. I want to read the exact number and export it.

So, does anyone know how to increase the accuracy or precision?

Thank you in advance!

David Jiang
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1 Answers1

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You can't change the precision with which xlsread reads the data. However, the output array might actually contain the data in num, but MATLAB displays it as 0. Run format long g, then diplay it again.

chappjc
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