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How can I save a .dat file?

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John
John 2014-6-23
回答： mario rivera 2016-4-10
I opened a .dat file for reading on Matlab. It is shown as 2 tables on Matlab , one is one-dimension with the names of the variables and the other has all the values of the variable. I changed some (10) values on Matlab and now I want to save it as a new .dat file , or just save the changes to the old. Can you help me?? thanks
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José-Luis
José-Luis 2014-6-23
There is no universal ".dat" format. Usually, it means that the file stores text. So, depending on the complexity of structure used to store said data, you could use some high-level io routines ( dlmwrite(), save '-ascii' ) or you might be forced to go low-level ( fprintf() ).

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回答（2 个）

David Sanchez
David Sanchez 2014-6-23
take a look at the documentation of fprintf
doc fprintf
You will find right what you need
mario rivera
mario rivera 2016-4-10
Hello, I have saved a 3D matrix(22x23x27) using succesfully save "matrixname".dat. But when I try to load the file again in another script, the matrix showned is a 2D matrix (283251x9). How can I fix this mess?

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