Formatting Vectors using fprintf
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How would one print on the command window a 3x1 vector labeled "R" such that the output line matches the format as shown below? Currently I am using a bunch of fprintf functions and manually spacing out the outputs to make it look right, but I want to know if there's a more compact method of outputting and formatting text into command line.

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R = [6640.441; 0; 0];
C = compose(' [ %8.3f km]',R);
C{2}([1 3]) = 'R=';
fprintf('%s\n',C{:});
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