num2axis.m

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% =========================================================================== %
%> @brief convert a number to an axis
%>
%> @param num number to convert (1, 2, 3)
%>
%> @retval axis axis (x, y, z)
%>
%> @copyright see the file @ref LICENSE in the root directory of the repository
% =========================================================================== %
function axis = num2axis(num)
 
arguments
    num (1,1) double
end
 
num = round(num);
 
switch num
    case 1
        axis = "x";
    case 2
        axis = "y";
    case 3
        axis = "z";
    otherwise
        error("The number %d does not correspond to an axis", num)
end
 
end