A = [1 2 3; 4 5 6; 7 8 9]

B = [1 2 3; 4 5 6]
C = [1; 2; 3]
D = [1 4 3]

H0 = (1:10)

H1 = 1:0.6:3

H2 = linspace(1,0.1,6)

H3 = logspace(1,3,3)

ME1 = zeros(3,2)

ME2 = ones(4,1)

ME3 = eye(3)

ME4 = rand(2,2)

ME5 = randn(3,1)

xn = 2+0.5*randn(3,3)
xu = 2+(4-2)*rand(2,2)

A = [1 2 3; 4 5 6; 7 8 9]
B = [1 1 1; 2 2 2; 3 3 3]

S = A + B
R = A - B

MM = A*B
P = A^2 % Idem P = A*A

C = rand(3,3)
Ctrans = C'
IV = inv(C)
DI = C \ A    % Idem DI = inv(C)*A

A
B
Me = A.*B
Pe = A.^2

v = [1 2 3]'
g = [3 4 5]'

v.*g

A

a22 = A(2,2)
a31 = A(3,1)

A([1 2],[1 2])

subA1 = A(1:2,1:2)
subA2 = A(2:3,1:3)

subA3 = A(2,:)
subA4 = A(:,2:3)
subA5 = A(2:end,3)

B=rand(4,6)
Ind = 1:4
subB1 = B(Ind,5)
subB2 = B(1:4,5)

Indc = [1 3 4]
Indf = [2 4]
subB3 = B(Indf,Indc)

A = rand(3,2)
B = rand(2,2)

C = [A ; B]    % Concatenar verticalmente A y B
D = [A' B]     % Concatenar horizontalmente la traspuesta de A con B

A = rand(3,3,3)

Asub = A(2,2,3)