Matlab - concatenación de vectores

for i=9242:5:11702

j=1:493

file1='/FZ_element';

file2=num2str(i);

file3='.txt';

file=strcat(file1,file2,file3);

load(path_elements);

end

while 1

    i=i+5;

    a=a+size_elements;

    if a<=size_elements;

        a=1;

    end

    b=b+size_elements;

    file1 = '/FZ_element';

    file2 = num2str(i);

    file3 = '.txt';

    file = strcat(file1,file2,file3);

    path_elements=strcat(path,file);

    if b>size_total

        break

    end

    c=load(path_elements);

    m1(a:b,:)=c;

end

vector=[];

for k=1:10;

vector=horzcat(vector,rand(1,5));

end