% Reading the data from the file
Map_Data=read_data('data/10x10/10_10_track.txt',m,n);
Matlab中的多if判断,和VB比较像
if n < 0 % If n negative, display error message.
disp('Input must be positive');
elseif rem(n,2) == 0 % If n positive and even, divide by 2.
A = n/2;
else
A = (n+1)/2; % If n positive and odd, increment and divide.
end
disp('Input must be positive');
elseif rem(n,2) == 0 % If n positive and even, divide by 2.
A = n/2;
else
A = (n+1)/2; % If n positive and odd, increment and divide.
end