x=[1:10]
y=[1:10]
z=x+y
x1=[1:20,2]
y1=[1:20'2}]
z1=x1+y1;
x2=[2:20,3]
y2=[2:20,3]
z2=x2+y2;
x3=rand(1,10)
y3=rand(1,10)
z3=x3+y3
Your portfolio, nextShip work like this
x=[1:10]
y=[1:10]
z=x+y
x1=[1:20,2]
y1=[1:20'2}]
z1=x1+y1;
x2=[2:20,3]
y2=[2:20,3]
z2=x2+y2;
x3=rand(1,10)
y3=rand(1,10)
z3=x3+y3