What is the simplest way to write header on each column of an array?

Here is the format that I know for an array with 2 column, and I would like to improve to a much simplest way.

header = {x column, y column}
fprintf( '%s %s\n', header{:})
M = [(fprintf('%d\n',x)),(fprintf('%1.2E\n',y))];

The problem with this code is it doesn't actually show me the array as 2 column.

Answer 1

[Stephen23]

If x and y have the same number of elements, try this instead:

fprintf('%d %1.2e\n', [x(:),y(:)].')

Shown here in a complete working example:

>> y = 0:pi/4:pi;
>> x = 1:numel(A);
>> fprintf('%d %1.2e\n', [x(:),y(:)].')
1 0.00e+00
2 7.85e-01
3 1.57e+00
4 2.36e+00
5 3.14e+00

Also note that you have unnecessary parentheses around the fprintf statements, and that according to the documentation, M will contain an array giving the number of bytes printed.