MATLAB: Spacing in a heading for a table. (fprintf)

fprintf spacing

I have this code below

fprintf('\n\tAppNumb \tgender \tgpa \texp \tlines (bonus)');

fprintf('\n%11.0f %11.0f %11.4f %11.4f %11.4f %11.0f', With2');

fprintf('\n')

which produces this http://screencast.com/t/XIKWFYck

and this code

fprintf('\n\t\tAppNumb \t\tgender \t\tgpa \t\texp \t\tlines (bonus)');

fprintf('\n%11.0f %11.0f %11.4f %11.4f %11.4f %11.0f', Without2');

fprintf('\n')

which produces this http://screencast.com/t/QBQofwUP0C5

As you can see neither of them produces a table with headings that match up to their corresponding column. Is there a better way to set the spacing with fprintf?

thank you for your time.

Best Answer

Hi Thomas, try this:

fprintf('%11s%12s%12s%12s%12s%12s\n', 'AppNumb', 'gender','gpa','exp','lines','(bonus)');
fprintf('%11.0f %11.0f %11.4f %11.4f %11.4f %11.0f\n\n', rand(1,6));

Is that what you're looking for?

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If any of the headings are not as wide as are needed for the numbers to be shown, then add blanks before the heading word and increase the corresponding number after the % by that many blanks. For example you might notice that although 'Alt' is only 3 characters I used %4.2f, because the minimum characters that will be printed if you need two decimal places is 4, which is a leading digit (might be 0), a decimal point, and the two decimal places after the decimal point. If you needed 3 digits before the decimal point for Alt then you would add two more spaces before Alt in the heading and add 2 to the 4 to get %6.2f as the format for that item.

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Avoid the \t in the header line, because they do not have a fixed width. '%12s' is smarter, because it works like the width specificator in the '%12.4f' format string.

Best Answer

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