555721-2 Introducao TI

download 555721-2 Introducao TI

of 14

Transcript of 555721-2 Introducao TI

  • 8/17/2019 555721-2 Introducao TI

    1/14

    !"#$%&'()% + ,-%$.+ &+ !"/%$0+()%

    !"#$ & !'()*+*, "$-$./0 -, #$/.1

    2$3/.*/4$'*, -$ 5$0$41)6/

    7.,89 2.9 :$;+$(

    .$;+$(?

  • 8/17/2019 555721-2 Introducao TI

    2/14

    @ #-%$.+ &+ ."/%$0+()% #-0 +?7.9+(A-5

    -0 &./-$-"#-5 9+0?%5 &- -5#'&%:9%0%B

    •  C+#-0=69+D

    • 

    E$%F+F.7.&+&-D•  2G5.9+D

    •  85#+H569+D

    •  89%"%0.+D

    •  3%0?'#+()%D

    • 

    ,-7-9%0'".9+(A-5I

    E$%/I >$I J--?+$#+0-"#% &- ,-7-0=69+ M

    N !"#$%&'()% N

  • 8/17/2019 555721-2 Introducao TI

    3/14

    N !"#$%&'()% N

    80 5.5#-0+5 &- 9%0'".9+()%

    P -5#'&% &- 5.5#-0+5 &- 0'760G&.+ #$+#+ &% -5#'&% &+5 ."Q0-$+5 /%"#-5&- ."/%$0+()% &.

  • 8/17/2019 555721-2 Introducao TI

    4/14

    N !"#$%&'()% N

    "#$# %#&'(%)* + ,*)-.$'/*0 &+ 1#*$) +(%'+-,+0 ) '-1#*$)23#4

    5 67+ +-,+-&+$#. %#$# 81#*$) +(%'+-,+9 + # 67+ -#. :'$',) -) ;7.%) &+.,)

    +(%'=' =#&+$#. ,*)-.$'/* .+$ +**#. +.,) '-1#*$)23#4  

    O  @ #-%$.+ &+ ."/%$0+()% $-5?%"&- -5#+5 ?-$

  • 8/17/2019 555721-2 Introducao TI

    5/14

    N !"#$%&'()% N

    P K'- \ ."/%$0+()%^! 

    X'$?$-5+ "+ %F5-$R+()% &- '0 /-"_0-"% `9%"H"'% %' &.59$-#%a!  2-"_0-"% b 7.,6$((, D(*,61()6, `%' +7-+#c$.%a

    3%0% + ."/%$0+()% ?%&- 5-$ K'+"6W9+&+^!

     

    >-59$.()% ?$%F+F.7G569+

    !  D'*.,3

  • 8/17/2019 555721-2 Introducao TI

    6/14

    ,-%$-0+5 &- XV+""%"

    ,-%$-0+ &+9%&.W9+()%

    &- /%"#-I

    ,-%$.+ &+ 9%0'".9+()%

    ,-%$-0+ &+

    9+?+9.&+&- &- 9+"+7I

    e

    N !"#$%&'()% N

    E$%/I >$I J--?+$#+0-"#% &- ,-7-0=69+

  • 8/17/2019 555721-2 Introducao TI

    7/14

    !"/%$0+()%: 8"#$%?.+ - XV+""%"

    f!23- 4 !"56#'#% 2-&-$+7 &- 8&'9+()%: 3.;"9.+ - ,-9"%7%-?+$#+0-"#% &- ,-7-0=69+

  • 8/17/2019 555721-2 Introducao TI

    8/14

    N !"/%$0+()% N

    O  C-&.&+ &+ K'+"6&+&- &- ."9-$#-U+ &- '0 ?$%9-55% +7-+#c$.% K'- 5-

  • 8/17/2019 555721-2 Introducao TI

    9/14

    N !"/%$0+()% N

    •   I (ak ) = 0 se Pr(ak ) = 1

    • 

     I (ak ) " 0 para 0 # Pr(ak ) # 1 `+ ."/%$0+()% "'"9+ \ "- I (ai) para Pr(ak ) < Pr(ai)

    •   I (ak ai) = I (ak ) + I(ai) se ak  e ai 5)% -5#+6569+0-"#- ."&-?-"&-"#-5I

    8S-0?7%5B

    1I 

    P9%$$;"9.+ &- 9+$+ `%' 9%$%+a -0 '0+ 0%-&+ R.9.+&+B '$'H+4/

  • 8/17/2019 555721-2 Introducao TI

    10/14

    N !"/%$0+()% N

    O  8"#$%?.+ \ + K'+"6&+&- &-

  • 8/17/2019 555721-2 Introducao TI

    11/14

    N !"/%$0+()% N

    •  8S-0?7%5B

    1I 

    3%"5.&-$- '0+ R+$.=R-7 +7-+#c$.+ 9%0 -

  • 8/17/2019 555721-2 Introducao TI

    12/14

    N 1o ,-%$-0+ &- XV+""%" N

    •  P E$.0-.$% #-%$-0+ &- XV+""%" -5#+F-7-9- K'- + -"#$%?.+ &- '0+

    R+$.=R-7 +7-+#c$.+ k: +55%9.+&+ + '0 9%"Y'"#% &- 5G0F%7%5 X: \ % 7.0.#-#-c$.9% &- 9%0?$-55)% &- kI

    •  P' 5-Y+: p`ka \ % "Q0-$% 0G".0% &- F.#5: $4 4L-

  • 8/17/2019 555721-2 Introducao TI

    13/14

    N !"/%$0+()% CQ#'+ N

    •  @ $'*.,3

  • 8/17/2019 555721-2 Introducao TI

    14/14

    N Zo ,-%$-0+ &- XV+"%"N

    •  X- % 9+"+7 &- 9%0'".9+()% \ '0 5.5#-0+ 9'Y+ + -"#$+&+ k - + 5+G&+ r 5)%

    R+$.=R-.5 +7-+#c$.+5: - -7- \ 9+$+9#-$.U+&% ?-7+ ?$%F+F.7.&+&- &-#$+"50.55)%: p( y| x): ?%&-0%5 &-W".$ 5'+ 9+?+9.&+&- &- 9+"+7:

    •  P #-$9-.$% ,-%$-0+ &- XV+""%" -5#+F-7-9- K'- + 9+?+9.&+&- &- 9+"+7 \ +

    0=S.0+ #+S+ 9%0 + K'+7 ?%&-0%5 -"R.+$ + ."/%$0+()% ?%$ '0 9+"+7 9%0

    '0+ ?$%F+F.7.&+&- &- -$$% ."5.$I J--?+$#+0-"#% &- ,-7-0=69+

    C   = max p( x)

     I ( X ;Y )