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標題: 1題maths題(有summation,logarithm,factorial) [打印本頁]

作者: SusanCrystal 時間: 6/3/2005 02:28 AM
標題: 1題maths題(有summation,logarithm,factorial)
呢個答案係我用計數機計ge...
其實如果唔用計數機, d step應該係點樣
(應該係問可唔可能唔用計數機計)

作者: 細薯 時間: 6/3/2005 04:59 PM
其實我ng係好明個summation sign.........
ar Sir 教過一次summation sign
不過ng明點解/點用

作者: dolphin_ice 時間: 6/3/2005 07:58 PM
類似等於的物體是甚麼? @@|||
Summation sign?

作者: 抹茶可樂 時間: 6/3/2005 08:36 PM

Originally posted by smallpotato226 at 2005-3-6 04:59 PM:
其實我ng係好明個summation sign.........
ar Sir 教過一次summation sign
不過ng明點解/點用

學過Pascal 的 For Do Loop嗎?
可以譯成咁:

For k := 1 to 1024 do
sum := sum + ln(k) / ln (2) (*log2k= ln(k) / ln (2) *)

[ Last edited by 落雷 on 2005-3-6 at 08:38 PM ]

作者: SusanCrystal 時間: 6/3/2005 09:36 PM

Originally posted by 紅唇娃 at 2005-3-6 19:58:
類似等於的物體是甚麼? @@|||
Summation sign?

≒ 係"大約等於"
Σ 係 summation sign

to 落雷:
我學校係教C唔教Pascal架

作者: 抹茶可樂 時間: 6/3/2005 10:05 PM

Originally posted by SusanCrystal at 2005-3-6 09:36 PM:

≒ 係"大約等於"
Σ 係 summation sign

to 落雷:
我學校係教C唔教Pascal架

咁你都識啦 XD
應該睇得明的..zD

[ Last edited by 落雷 on 2005-3-6 at 10:06 PM ]

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