#涓�鍖楀ぇ瀛︿俊鎭�璁哄疄楠屾姤鍛?鍚�鏁版嵁璇﹁В鐗�) - 鐧惧害鏂囧簱

棣栭〉

搴撳簱AI

骞垮満

鍘嗗彶

鏀惰棌

浜戠洏

鐭ヨ瘑搴?/div>

銆婁俊鎭�璁轰笌缂栫爜銆嬪疄楠屾姤鍛?/p>

 

濮撳悕

锛?/p>

  

鐝�绾�

锛?/p>

 

瀛﹀彿

锛?/p>

 

骞?/p>

       

鏈?/p>

 

瀹為獙涓�锛氱粯鍒朵俊婧愮喌鍑芥暟鏇茬嚎

 

涓�銆佸疄楠岀洰鐨?/p>

 

1.

 

鎺屾彙绂绘暎淇℃簮鐔电殑鍘熺悊鍜岃�＄畻鏂规硶銆?/p>

 

2.

 

鐔熸倝

matlab

杞�浠剁殑鍩烘湰鎿嶄綔锛�

缁冧範搴旂敤

matlab

杞�浠惰繘琛屼俊婧愮喌鍑芥暟鏇茬嚎鐨勭粯鍒躲�?/p>

 

3.

 

鐞嗚В淇℃簮鐔电殑鐗╃悊鎰忎箟锛屽苟鑳戒粠淇℃簮鐔靛嚱鏁版洸绾垮浘涓婅繘琛岃В閲婂叾鐗╃悊鎰忎箟銆?/p>

 

浜屻�佸疄楠屽師鐞?/p>

 

1.

 

绂绘暎淇℃簮鐩稿叧鐨勫熀鏈�姒傚康銆佸師鐞嗗拰璁＄畻鍏�寮�

 

浜х敓绂绘暎淇℃伅鐨勪俊婧愮О涓虹�绘暎淇℃簮銆傜�绘暎淇℃簮鍙�鑳戒骇鐢熸湁闄愮�嶇�﹀彿銆?/p>

 

鍋囧畾

X

鏄�涓�涓�绂绘暎闅忔満鍙橀噺锛屽嵆瀹冪殑鍙栧�艰寖鍥?/p>

R

={

x

1

锛?/p>

x

2

锛?/p>

x

3

锛屸�?/p>

}

鏄�鏈夐檺鎴栧彲鏁扮殑銆傝�剧�?/p>

i

涓�鍙橀�?

x

i

鍙戠敓鐨勬�傜巼涓�

p

i

=

P

{X=

x

i

}

銆傚垯锛?/p>

 

瀹氫箟涓�涓�闅忔満浜嬩欢鐨勮嚜淇℃伅閲�

I

锛?/p>

x

i

锛変负鍏跺�瑰簲鐨勯殢鏈哄彉閲�

x

i

鍑虹幇姒傜巼瀵规暟鐨勮礋鍊笺�傚嵆锛?/p>

 

I

锛?/p>

x

i

锛?/p>

= -log

2

 

p

(

x

i

) 

瀹氫箟闅忔満浜嬩欢

X

鐨勫钩鍧囦笉纭�瀹氬�?/p>

H

锛?/p>

X

锛変负绂绘暎闅忔満鍙橀噺

x

i

鍑虹幇姒傜巼鐨勬暟瀛︽湡鏈涳紝鍗筹細

 

飪?/p>

飪?/p>

飥?/p>

飥?/p>

飥?

i

i

i

i

i

i

x

p

x

p

x

I

x

p

X

H

)

(

log

)

(

)

(

)

(

)

(

 

鍗曚綅涓?/p>

 

姣旂壒

/

绗﹀彿

 

鎴?/p>

 

姣旂壒

/

绗﹀彿搴忓垪銆?/p>

 

骞冲潎涓嶇‘瀹氬害

H

锛?/p>

X

锛夌殑瀹氫箟鍏�寮忎笌鐑�鍔涘�︿腑鐔电殑琛ㄧず褰㈠紡鐩稿悓锛屾墍浠ュ張鎶婂钩鍧囦笉纭�瀹氬�?/p>

H

锛?/p>

X

锛夌О

涓轰俊婧?/p>

X

鐨勪俊婧愮喌銆?/p>

  

蹇呴』娉ㄦ剰涓�涓嬪嚑鐐癸細

 

a)

 

鏌愪竴淇℃簮锛屼笉绠″畠鏄�鍚﹁緭鍑虹�﹀彿锛屽彧鏈夎繖浜涚�﹀彿鍏锋湁鏌愪簺姒傜巼鐗规�э紝蹇呮湁淇℃簮鐨勭喌鍊硷紱杩?/p>

鐔靛�兼槸鍦ㄦ�讳綋骞冲潎涓婃墠鏈夋剰涔夛紝鍥犺�屾槸涓�纭�瀹氬�硷紝涓�鑸�鍐欐�?/p>

H

锛?/p>

X

锛?/p>

锛?/p>

X

鏄�鎸囬殢鏈哄彉閲忕殑鏁�

浣擄紙鍖呮嫭姒傜巼鍒嗗竷锛?/p>

銆?/p>