clc
clear
z = zeros(5,361);
for i = 1:361
    x = (i -1)/2;
    z(1,i) = x;
    if x>= 0 & x <= 40
        uA = (40-x)/40;
    else uA =0;
    end;

    z(2,i) = uA;

    if x >= 20 & x <= 40
         uB = (x-20)/20;
    elseif x >= 40 & x <= 60
        uB = 1;
    elseif x >= 60 & x <= 90
        uB = (90-x)/30;
    else uB = 0;
         end;
    z(3,i) = uB;

    if x >= 70 & x <=100
        uC = (x-70)/30;
    elseif x >= 100 & x <= 130
        uC = (130-x)/30;
    else uC =0;
         end;
    z(4,i) = uC;

    if x >= 110 & x <= 140
        uD = (x-110)/30;
     elseif x >= 140 & x <= 180
         uD = 1;
     else uD = 0;
          end;

     z(5,i) = uD;

end



plot(z(1,:),z(2,:));
plot(z(1,:),z(3,:));
plot(z(1,:),z(4,:));
plot(z(1,:),z(5,:));
mtlb_axis([0 180 0 2]);
xlabel('wzrost [cm]');
ylabel('u(wzrost)');