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Nhc li:

Hệ phương trình tuyến tính:

Hệ cơ bản

Ẩn cơ bản


Giải hệ phương trình tuyến tính tổng quát
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#<BV&7%+&SBV&p,&7 /
giM&<BVpKK=&,K.+pK)

/-P3
BVpKK=&-R7,+pK)
7
/&7r
,0&1&7CsV.3f( BV5
giM&<BVpK)
*
&,1BC>53&?$@
H
D
&
giM&<BV5&7&,r1BC>53&?
$@H
D
&

t,5$%&,!\]%)

iK)



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&,!:4&-5.&

A<BC
( )
( )
6 3 7 7 min
5
1 2 3 4 6
- 15
1 2 4 6
2 2 9
1 3 4
4 2 3 2
5
1 4 6
0 1, ,6

f x x x x x x x
x x x x
x x x
x x x x
x j
j
= + + + + − + →
+ − + =
− + = −
+ + − =
≥ =


/#7ef.&u,)
.&c+)/%,)

E.&+)/Jgc+)/%

%
J+)h/
&$.&!\]#` )hK.c
%,)
Jg+)h/




t1BC$l&&WK.&%
Bư&c 1:.&%
Bư&c 2:&$)
;
 \]#`
jL45&[&R&$)
;
:G \]#`l,"
Bư&c 3:
jL45&[&R%.&$.&:G
f
jL45%n&[&R&$53M,N
Bư&c 4:
j(K=&,K. 
#$%%K1&$K=&
f,K. 

j(K=&,7,:d .&%
Bư&c 5:.&%
0,
k
k∆ ≥ ∀
0
k
∆ <
0
k
∆ <
0,
jk o
a j J≤ ∀ ∈
0
k
∆ <
0
jk
a >
k

0
k
∆ <
min
s
k
∆ = ∆
s



( )
( )
20 33 18 max
1 2 3
2 5 2 24
1 2 3
2 12
1 2 3
4 2 39
1 2 3
0 1, ,3

f x x x x
x x x
x x x
x x x
x j
j
= + + →
+ + ≤
+ + ≤
+ + ≤
≥ =
A<BC

i)hJ+ovl;lwv/lc+)h/J"

×