mlPerusteet/mlP06ratk.m

format compact
diary mlP06ratk.txt
x = [1 2 3 4 5]
y = [0 2 4 6]
z = [-4 -2 0 2 4 ]

x =
     1     2     3     4     5
y =
     0     2     4     6
z =
    -4    -2     0     2     4

   x.*z
   x*z'
   x*z               % Miksi virhe ?

ans =
    -4    -4     0     8    20
ans =
    20

Error using ==> mtimes
Inner matrix dimensions must agree.

Error in ==> mlP06ratk at 10
   x*z               % Miksi virhe ?

   x.^2               % Mikä vektori?
   x^2                % Miksi virhe ?

   sqrt(x*x')
   sqrt(sum(x.^2))   % Miksi sama tulos kuin edellä?
   norm(x)
   help norm

diary offdiary off

Published with MATLAB® 7.11