% vectors
a=[-4.8 -1.3 -1.0 0.7  4.0 5.8 4.3 -8.0];
b=[-1.1 -1.9 7.1  -2.1 6.8 2.8 0.3 1.6];

fprintf('Сумма:');
s=a+b

fprintf('Разность:');
a-b

fprintf('Скалярное произв.:');
dot(a,b)


c = [a b]

fprintf('min:');
[m,k]=min(c)

fprintf('max:');
[m,k]=max(c)

fprintf('Sorting');
a1 = sort(c)

fprintf('Reversed:');
a2 = fliplr(c)

u = [a(1) a(3) a(4)];
v = [b(2) b(3) b(4)];

fprintf('Векторное произв u x v.:');
cross(u,v)

%fprintf('cross(a,b)=');




A = [9.32 0.21 -9.89 3.11
    0.54  4.99 5.01  -0.03];

x=A;
y = f1(x)


x = [0:1:6];
y = [0 2 3 10 16 25 36];
%fp = polyval(p,x);
p = polyfit(x,y,2);
z = polyval(p,x);
%z = f(x);
plot(x,y,x,z)
%axis([0  5  0  2])
grid on;


fprintf('y(x) - z(x):');
y-z