other team code

>> a=.142; %Bond length in nanometers
locations=[];

%get user inputs
prompt = 'What is the length of the sheet in the X direction in nanometers? X:';
length=input(prompt);
prompt = 'What is the length of the sheet in the Y direction in nanometers? Y:';
height=input(prompt);

%setting the starting heights for the 4 rows
r1=0;
r2=a/2;
r3=3/2*a;
r4=2*a;

while(true)

    %Row 1
    if(r1>height)
        break;
    end
    x=0;
    %Adding points from this row to the matrix
    while(x<=length)
        str="C\t"+x+"\t"+r1+"\t"+0;
        locations=[locations;str];
        x=x+a*sqrt(3);
    end
    r1=r1+3*a;


    %Row 2
    if(r2>height)
        break;
    end
    x=a/2*sqrt(3);
    %Adding points from this row to the matrix
    while(x<=length)
        str="C\t"+x+"\t"+r2+"\t"+0;
        locations=[locations;str];
        x=x+a*sqrt(3);
    end
    r2=r2+3*a;


    %Row 3
    if(r3>height)
        break;
    end
    x=a/2*sqrt(3);
    %Adding points from this row to the matrix
    while(x<=length)
        str="C\t"+x+"\t"+r3+"\t"+0;
        locations=[locations;str];
        x=x+a*sqrt(3);
    end
    r3=r3+3*a;


    %Row 4
    if(r4>height)
        break;
    end
    x=0;
    %Adding points from this row to the matrix
    while(x<=length)
        str="C\t"+x+"\t"+r4+"\t"+0;
        locations=[locations;str];
        x=x+a*sqrt(3);
    end
    r4=r4+3*a;

end

%Finding number of carbon atoms
eh=size(locations);
numloc=eh(1);

%Setting file to print out the points to
fid=fopen('graphene.xyz','wt');

%Beginning of the file formatting
fprintf(fid,""+numloc+"\n\n");

%Printing each point from matrix to xyz file named 'graphene.xyz' in the correct formatting
for i=1:numloc
    fprintf(fid,locations(i)+"\n");
end