partfile = fopen('part.txt','r');
quantityfile = fopen('quantity.txt','r');
part = fscanf(partfile, '%f', inf);
quantity = fscanf(quantityfile, '%f', inf);
numOfPart = length(part);
Array = [];
for i = 1 : numOfPart
    for j = 1 : quantity(i)
        Array = [Array;part(i)];
    end
end
size(Array)