How to write a matrix into a txt file so that all variables in a columns have exactly the same starting character and length?
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I am trying to export a matrix into a text file. The text file will later be feed into another program that requires all variables in a specific columns have the same starting location, and the same length.
How should I achieve this? Which Matlab function should I use to export the data?
Thank you.
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Fangjun Jiang
am 21 Apr. 2011
use sprintf formating, such as
a=rand(5,1);
sprintf('%20.2f\n',a(:));
doc sprintf
It also applies to fprintf.
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Walter Roberson
am 21 Apr. 2011
No, sprintf() and fprintf() will repeat the format as often as needed to write out all the data.
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Fangjun Jiang
am 25 Apr. 2011
What do you mean? What exact format do you want to achieve? Please read through the document of sprintf formatting. I think it should be able to cover most if not all format.
Is this what you need?
sprintf('%010.2f\n',45,-45,26.7,126.8)
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