sakura310

Filename: DSC01158.JPG
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2008-01-18 00:25:24 | 阿感 | 2
0 N5 W# w$ G6 j8 r7 ~2008-01-18 00:24:20 | playbr2 | 2
- d# I; V- @1 X. o! C2008-01-18 00:22:02 | 但丁 | 2( ^- X& q# y+ u0 a  B
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點解大家都down兩次? XD

playbr2

Originally posted by sakura310 at  12:27 AM:
) F+ U3 @& {, ?* v5 x; u6 R* ^9 fFilename: DSC01158.JPG
1 n/ u& [7 D* M& K+ f' q- _& MDatetime | Downloaded by | Counts
& x# ^8 D9 w0 a9 v: a2008-01-18 00:25:24 | 阿感 | 2% k+ Y* a+ W  J& o! M1 q
2008-01-18 00:24:20 | playbr2 | 2" y& s7 S) v7 A3 |6 @
2008-01-18 00:22:02 | 但丁 | 2
; I1 b5 v7 e3 j% ?9 w' @* s& p2 i# W5 s4 \% I' N
點解大家都down兩次? XD

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我第一次開睇左2秒就close 左
: Z' s5 c; w' Z  L; _之後DL (就变成第二次)

playbr2

Originally posted by sakura310 at  12:27 AM:$ u% t- Y: g6 c- S6 u' B$ c
Filename: DSC01158.JPG
2 ]0 w! ~. o% c5 ~9 d, {+ H* `% Y/ Z/ gDatetime | Downloaded by | Counts
( \* c7 Y5 f1 ^" I. P# i  r" o2008-01-18 00:25:24 | 阿感 | 2
. f5 d; E( H5 _* {6 L+ a2008-01-18 00:24:20 | playbr2 | 2( q6 ~3 o9 R& V$ g7 _7 ~+ H
2008-01-18 00:22:02 | 但丁 | 2- \, O- p8 ~/ A6 [2 w0 x: h
2 U# @( d2 ]/ ?8 N0 B: h9 F
點解大家都down兩次? XD

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$ h7 w: w" x2 e4 A9 C) M7 Y快d捉我錯處) g3 K3 V4 E- b9 ~5 u" T2 \
話吾定我都打錯 + - 符號" h" T2 X; z; ^, S# K' a; P
係電腦打答案...的確幾煩...又哂時間...

sakura310

捉錯處就唔敢當! T3 S/ \+ X5 ?- e& b: i# \1 L( i4 r
不過,c=101n哥度(解除n係正整數的限制,只是整數)
  p( e9 v8 @' L9 a就一下子限制左c一定要係101的倍數(好像看懸疑片,突然劇情說出一些事前沒提及過的線索,不爽~)
" g+ \8 x7 e& `4 n7 y7 b$ _知道{101,0,0}和{5151,2550,5050}係答案的話,當然沒問題
. K: ?& D0 O& W( J% ~但原先是不知答案,所以唔知有無失根
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有時見到題目都感到有點不爽
: x+ J1 V/ z0 i/ E: c題目所求的答案是整數,正整數,有理數,實數等等應該說清楚- J8 v9 [( k- d/ L: }
有些題目,整數解和正整數解分別好大的說,要找出整數解集有時可不是件易事= =

cutec

冇答案ga....3 S& |1 f) h' Z# y7 S7 H
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2條equation solve 唔到3個unknown ga....

Azuma

Originally posted by cutec at 2008-1-18 08:26 AM:
; H3 U% |8 q3 u1 P, x冇答案ga....2 z* C0 G& y' q" q
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2條equation solve 唔到3個unknown ga....

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agree 2 u6 @9 Y5 w0 D1 \, |4 w

% ^8 K3 {. V, ~% N, n: v5 g2 equations 2 unknows
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: y6 k9 }$ J& Kif 3 unknows there should be 3 equations
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7 T; e4 C+ I& }2 ~+ K: e* bmake it simple
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say
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a + b +c = 3
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a+b = 2- q" C/ z9 v7 |% J# n7 z
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then c is 1
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- @7 c  u9 @! i) F& Sa = 2 - b & r0 Q# @" G: h: [

" _' H$ O2 G$ Y, _. A& b( I2 wso 0 = 0 6 ^7 o3 g9 L: y& R' u  d
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sakura310

Originally posted by cutec at 2008-1-18 08:26 AM:2 g5 @# ?- W/ H. O: h
冇答案ga....
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& y1 n) U7 w' ]! m9 x5 _2條equation solve 唔到3個unknown ga....

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此言差矣~
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% s* g/ k- x3 j3 i0 Y2條equation solve 唔到3個unknown ga
0 Q2 r3 e9 ?) B& u' {* y還欠一個條件,就是3條equation都是linear independent(線性無關)的
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簡單點說,多元一次方程就是線性方程的一個例子
- r$ `' [( f; d+ y) |在這情況下,當然是想求n個未知數,至少要用n條線性無關的方程% L$ c6 [8 c' q

- V2 c8 d3 L- S8 S如果不是線性的話,有機會1條方程解3個未知數的(這不是每次都可以的啦~)+ N- F6 o( [; D, a( X" j6 n( A8 D
例如 x^2-2(x+8y)+17+4y^2+z^0.5=0 就只有唯一整數解: G% x7 z; L; {+ V
有興趣就解解看- ^( M+ B" h0 p) m5 }3 `
不懂的話就問playplay,佢會知答案

playbr2

Originally posted by sakura310 at  10:22 AM:; }6 B' }( g% R* K
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; z/ H% E9 E5 P8 v& H4 w不懂的話就問playplay,佢會知答案

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playbr2

Originally posted by sakura310 at  06:47 AM:
& H: }; [) L) D  C2 g捉錯處就唔敢當: Q4 _- I* j0 T4 H( C5 J
不過,c=101n哥度(解...

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都係睇餸食飯姐 , 無理由因為題目冇同你假設就下下大包圍架' ]& K8 `; B' @/ l0 T9 a  @1 V: g( k
反而適當地調節一下 , 咁會理性好多
& s# f$ F) g4 X) G就好似隻game 由12粒珠 加到13粒珠咁
; m# d$ l3 \: Y當''堂''好玩哂
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p.s. 求''堂''字正寫

QuiGonJinn

Originally posted by playbr2 at 2008-1-18 14:57:- K$ O, `9 K5 ~( Q0 C
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: p9 B# z8 x# V9 h6 x+ M. Vp.s. 求''堂''字正寫...

9 g7 i2 d8 n6 I7 T# d8 t' N4 u已是正寫吧