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논문번역/2012년스터디/신형준

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1




1.

. , . , , 형화 , () , , .
히, 형판, , . 한 평 .

2.

. 형태 . , . , , .
, . .
HMM , 형태, 형태 .
. 형 판, , .
. section 3 .
section , , . 한 평 section 7 .

2

1.3

. . ( Chapter 4, 할) . , . .

R^2
. u,v,w entry . (w1 w2 ). entry R^2 . R entry , 2 entry .
entry (R^2 ) .
(4,7) (7,4) R^2 .
R^2 u v , u+v u v entry .
(1,-2) + (2,5) = (1+2,-2+5) = (3,3)
u c c 한 u u entry c cu .

Cu c . 형태 . ( u )
.
Example 1(p.25)

R^2 하학
. 하학 (a,b) .
R^2 .
Fig1 .

(3,1) 하학 (3,-1) 포함함 . (Fig2)
(화 ) .
하학 . 하학 .

한 평행
R^2 u v , u+v 평행 4 .( u,0, v) Fig 3

Example 2

Example 3

R^3
R^3 entry 3x1 . 하학 포함하 . a 2a Fig 6 .

R^n
n , R^n n . (통 u nx1 )
entry 0 , 0. (0 entry 확해 .)
R^n R^2 entry entry . . Practice Problem 1 Exercises 33 34 ( ) .

R^n
(i) u+v = v+u
(ii) (u+v)+w = u+(v+w)
(iii) u + 0 = 0 + u = u
(iv) u+(-u) = -u + u = 0 (-u (-1)u )
(v) c(u+v) = cu+ cv
(vi) (c+d)u = cu + du
(vii) c(du) = (cd)u
(viii) 1u = u

해 u+(-1)v u-v . Fig 7 u-v u -v .


R^n v1,v2,.....,vp c1,c2,....,cp , y y = c1v1+ .... + cpvp .
c1,...cp weights v1,..,vp . 행할, (ii) . weights 0 포함한 . (p28 3) v1 v2 .

Example 4

Example 5

Example 5 ,a1,a2,b . 해, a1 a2 b .
(1) Example 5 통하 .
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