Đại số tuyến tính Ví dụ

Tìm Hạng của Ma Trận [[1,0,0,1,1,0,0,0,0,0],[1,1,1,0,0,0,0,0,0,0],[0,1,0,1,0,0,0,0,0,0],[0,1,0,2,1,0,0,0,0,0],[1,1,0,0,0,0,0,0,0,0],[0,0,1,0,1,0,0,0,0,0],[0,0,1,0,0,0,0,0,0,1],[0,0,0,0,0,1,0,0,0,0],[0,0,0,0,0,1,1,1,1,0],[0,0,0,0,0,0,1,1,0,0]]
[1001100000111000000001010000000102100000110000000000101000000010000001000001000000000111100000001100]
Bước 1
Tìm dạng ma trận hàng bậc thang rút gọn.
Nhấp để xem thêm các bước...
Bước 1.1
Perform the row operation R2=R2-R1 to make the entry at 2,1 a 0.
Nhấp để xem thêm các bước...
Bước 1.1.1
Perform the row operation R2=R2-R1 to make the entry at 2,1 a 0.
[10011000001-11-01-00-10-10-00-00-00-00-001010000000102100000110000000000101000000010000001000001000000000111100000001100]
Bước 1.1.2
Rút gọn R2.
[1001100000011-1-10000001010000000102100000110000000000101000000010000001000001000000000111100000001100]
[1001100000011-1-10000001010000000102100000110000000000101000000010000001000001000000000111100000001100]
Bước 1.2
Perform the row operation R5=R5-R1 to make the entry at 5,1 a 0.
Nhấp để xem thêm các bước...
Bước 1.2.1
Perform the row operation R5=R5-R1 to make the entry at 5,1 a 0.
[1001100000011-1-100000010100000001021000001-11-00-00-10-10-00-00-00-00-000101000000010000001000001000000000111100000001100]
Bước 1.2.2
Rút gọn R5.
[1001100000011-1-10000001010000000102100000010-1-10000000101000000010000001000001000000000111100000001100]
[1001100000011-1-10000001010000000102100000010-1-10000000101000000010000001000001000000000111100000001100]
Bước 1.3
Perform the row operation R3=R3-R2 to make the entry at 3,2 a 0.
Nhấp để xem thêm các bước...
Bước 1.3.1
Perform the row operation R3=R3-R2 to make the entry at 3,2 a 0.
[1001100000011-1-1000000-01-10-11+10+10-00-00-00-00-00102100000010-1-10000000101000000010000001000001000000000111100000001100]
Bước 1.3.2
Rút gọn R3.
[1001100000011-1-10000000-121000000102100000010-1-10000000101000000010000001000001000000000111100000001100]
[1001100000011-1-10000000-121000000102100000010-1-10000000101000000010000001000001000000000111100000001100]
Bước 1.4
Perform the row operation R4=R4-R2 to make the entry at 4,2 a 0.
Nhấp để xem thêm các bước...
Bước 1.4.1
Perform the row operation R4=R4-R2 to make the entry at 4,2 a 0.
[1001100000011-1-10000000-121000000-01-10-12+11+10-00-00-00-00-0010-1-10000000101000000010000001000001000000000111100000001100]
Bước 1.4.2
Rút gọn R4.
[1001100000011-1-10000000-1210000000-13200000010-1-10000000101000000010000001000001000000000111100000001100]
[1001100000011-1-10000000-1210000000-13200000010-1-10000000101000000010000001000001000000000111100000001100]
Bước 1.5
Perform the row operation R5=R5-R2 to make the entry at 5,2 a 0.
Nhấp để xem thêm các bước...
Bước 1.5.1
Perform the row operation R5=R5-R2 to make the entry at 5,2 a 0.
[1001100000011-1-10000000-1210000000-132000000-01-10-1-1+1-1+10-00-00-00-00-000101000000010000001000001000000000111100000001100]
Bước 1.5.2
Rút gọn R5.
[1001100000011-1-10000000-1210000000-1320000000-1000000000101000000010000001000001000000000111100000001100]
[1001100000011-1-10000000-1210000000-1320000000-1000000000101000000010000001000001000000000111100000001100]
Bước 1.6
Multiply each element of R3 by -1 to make the entry at 3,3 a 1.
Nhấp để xem thêm các bước...
Bước 1.6.1
Multiply each element of R3 by -1 to make the entry at 3,3 a 1.
[1001100000011-1-100000-0-0--1-12-11-0-0-0-0-000-1320000000-1000000000101000000010000001000001000000000111100000001100]
Bước 1.6.2
Rút gọn R3.
[1001100000011-1-100000001-2-10000000-1320000000-1000000000101000000010000001000001000000000111100000001100]
[1001100000011-1-100000001-2-10000000-1320000000-1000000000101000000010000001000001000000000111100000001100]
Bước 1.7
Perform the row operation R4=R4+R3 to make the entry at 4,3 a 0.
Nhấp để xem thêm các bước...
Bước 1.7.1
Perform the row operation R4=R4+R3 to make the entry at 4,3 a 0.
[1001100000011-1-100000001-2-1000000+00+0-1+113-22-10+00+00+00+00+000-1000000000101000000010000001000001000000000111100000001100]
Bước 1.7.2
Rút gọn R4.
[1001100000011-1-100000001-2-100000000110000000-1000000000101000000010000001000001000000000111100000001100]
[1001100000011-1-100000001-2-100000000110000000-1000000000101000000010000001000001000000000111100000001100]
Bước 1.8
Perform the row operation R5=R5+R3 to make the entry at 5,3 a 0.
Nhấp để xem thêm các bước...
Bước 1.8.1
Perform the row operation R5=R5+R3 to make the entry at 5,3 a 0.
[1001100000011-1-100000001-2-10000000011000000+00+0-1+110-20-10+00+00+00+00+000101000000010000001000001000000000111100000001100]
Bước 1.8.2
Rút gọn R5.
[1001100000011-1-100000001-2-1000000001100000000-2-10000000101000000010000001000001000000000111100000001100]
[1001100000011-1-100000001-2-1000000001100000000-2-10000000101000000010000001000001000000000111100000001100]
Bước 1.9
Perform the row operation R6=R6-R3 to make the entry at 6,3 a 0.
Nhấp để xem thêm các bước...
Bước 1.9.1
Perform the row operation R6=R6-R3 to make the entry at 6,3 a 0.
[1001100000011-1-100000001-2-1000000001100000000-2-1000000-00-01-10+21+10-00-00-00-00-00010000001000001000000000111100000001100]
Bước 1.9.2
Rút gọn R6.
[1001100000011-1-100000001-2-1000000001100000000-2-10000000022000000010000001000001000000000111100000001100]
[1001100000011-1-100000001-2-1000000001100000000-2-10000000022000000010000001000001000000000111100000001100]
Bước 1.10
Perform the row operation R7=R7-R3 to make the entry at 7,3 a 0.
Nhấp để xem thêm các bước...
Bước 1.10.1
Perform the row operation R7=R7-R3 to make the entry at 7,3 a 0.
[1001100000011-1-100000001-2-1000000001100000000-2-10000000022000000-00-01-10+20+10-00-00-00-01-0000001000000000111100000001100]
Bước 1.10.2
Rút gọn R7.
[1001100000011-1-100000001-2-1000000001100000000-2-10000000022000000002100001000001000000000111100000001100]
[1001100000011-1-100000001-2-1000000001100000000-2-10000000022000000002100001000001000000000111100000001100]
Bước 1.11
Perform the row operation R5=R5+2R4 to make the entry at 5,4 a 0.
Nhấp để xem thêm các bước...
Bước 1.11.1
Perform the row operation R5=R5+2R4 to make the entry at 5,4 a 0.
[1001100000011-1-100000001-2-10000000011000000+200+200+20-2+21-1+210+200+200+200+200+2000022000000002100001000001000000000111100000001100]
Bước 1.11.2
Rút gọn R5.
[1001100000011-1-100000001-2-1000000001100000000010000000022000000002100001000001000000000111100000001100]
[1001100000011-1-100000001-2-1000000001100000000010000000022000000002100001000001000000000111100000001100]
Bước 1.12
Perform the row operation R6=R6-2R4 to make the entry at 6,4 a 0.
Nhấp để xem thêm các bước...
Bước 1.12.1
Perform the row operation R6=R6-2R4 to make the entry at 6,4 a 0.
[1001100000011-1-100000001-2-100000000110000000001000000-200-200-202-212-210-200-200-200-200-200002100001000001000000000111100000001100]
Bước 1.12.2
Rút gọn R6.
[1001100000011-1-100000001-2-1000000001100000000010000000000000000002100001000001000000000111100000001100]
[1001100000011-1-100000001-2-1000000001100000000010000000000000000002100001000001000000000111100000001100]
Bước 1.13
Perform the row operation R7=R7-2R4 to make the entry at 7,4 a 0.
Nhấp để xem thêm các bước...
Bước 1.13.1
Perform the row operation R7=R7-2R4 to make the entry at 7,4 a 0.
[1001100000011-1-100000001-2-1000000001100000000010000000000000000-200-200-202-211-210-200-200-200-201-20000001000000000111100000001100]
Bước 1.13.2
Rút gọn R7.
[1001100000011-1-100000001-2-1000000001100000000010000000000000000000-100001000001000000000111100000001100]
[1001100000011-1-100000001-2-1000000001100000000010000000000000000000-100001000001000000000111100000001100]
Bước 1.14
Perform the row operation R7=R7+R5 to make the entry at 7,5 a 0.
Nhấp để xem thêm các bước...
Bước 1.14.1
Perform the row operation R7=R7+R5 to make the entry at 7,5 a 0.
[1001100000011-1-100000001-2-1000000001100000000010000000000000000+00+00+00+0-1+110+00+00+00+01+0000001000000000111100000001100]
Bước 1.14.2
Rút gọn R7.
[1001100000011-1-100000001-2-1000000001100000000010000000000000000000000001000001000000000111100000001100]
[1001100000011-1-100000001-2-1000000001100000000010000000000000000000000001000001000000000111100000001100]
Bước 1.15
Swap R8 with R6 to put a nonzero entry at 6,6.
[1001100000011-1-100000001-2-1000000001100000000010000000000100000000000001000000000000000111100000001100]
Bước 1.16
Perform the row operation R9=R9-R6 to make the entry at 9,6 a 0.
Nhấp để xem thêm các bước...
Bước 1.16.1
Perform the row operation R9=R9-R6 to make the entry at 9,6 a 0.
[1001100000011-1-100000001-2-100000000110000000001000000000010000000000000100000000000-00-00-00-00-01-11-01-01-00-00000001100]
Bước 1.16.2
Rút gọn R9.
[1001100000011-1-100000001-2-1000000001100000000010000000000100000000000001000000000000000011100000001100]
[1001100000011-1-100000001-2-1000000001100000000010000000000100000000000001000000000000000011100000001100]
Bước 1.17
Swap R9 with R7 to put a nonzero entry at 7,7.
[1001100000011-1-100000001-2-1000000001100000000010000000000100000000001110000000000000000000010000001100]
Bước 1.18
Perform the row operation R10=R10-R7 to make the entry at 10,7 a 0.
Nhấp để xem thêm các bước...
Bước 1.18.1
Perform the row operation R10=R10-R7 to make the entry at 10,7 a 0.
[1001100000011-1-100000001-2-1000000001100000000010000000000100000000001110000000000000000000010-00-00-00-00-00-01-11-10-10-0]
Bước 1.18.2
Rút gọn R10.
[1001100000011-1-100000001-2-10000000011000000000100000000001000000000011100000000000000000000100000000-10]
[1001100000011-1-100000001-2-10000000011000000000100000000001000000000011100000000000000000000100000000-10]
Bước 1.19
Swap R10 with R8 to put a nonzero entry at 8,9.
[1001100000011-1-100000001-2-100000000110000000001000000000010000000000111000000000-1000000000010000000000]
Bước 1.20
Multiply each element of R8 by -1 to make the entry at 8,9 a 1.
Nhấp để xem thêm các bước...
Bước 1.20.1
Multiply each element of R8 by -1 to make the entry at 8,9 a 1.
[1001100000011-1-100000001-2-1000000001100000000010000000000100000000001110-0-0-0-0-0-0-0-0--1-000000000010000000000]
Bước 1.20.2
Rút gọn R8.
[1001100000011-1-100000001-2-1000000001100000000010000000000100000000001110000000001000000000010000000000]
[1001100000011-1-100000001-2-1000000001100000000010000000000100000000001110000000001000000000010000000000]
Bước 1.21
Perform the row operation R7=R7-R8 to make the entry at 7,9 a 0.
Nhấp để xem thêm các bước...
Bước 1.21.1
Perform the row operation R7=R7-R8 to make the entry at 7,9 a 0.
[1001100000011-1-100000001-2-1000000001100000000010000000000100000-00-00-00-00-00-01-01-01-10-0000000001000000000010000000000]
Bước 1.21.2
Rút gọn R7.
[1001100000011-1-100000001-2-1000000001100000000010000000000100000000001100000000001000000000010000000000]
[1001100000011-1-100000001-2-1000000001100000000010000000000100000000001100000000001000000000010000000000]
Bước 1.22
Perform the row operation R4=R4-R5 to make the entry at 4,5 a 0.
Nhấp để xem thêm các bước...
Bước 1.22.1
Perform the row operation R4=R4-R5 to make the entry at 4,5 a 0.
[1001100000011-1-100000001-2-1000000-00-00-01-01-10-00-00-00-00-0000010000000000100000000001100000000001000000000010000000000]
Bước 1.22.2
Rút gọn R4.
[1001100000011-1-100000001-2-1000000001000000000010000000000100000000001100000000001000000000010000000000]
[1001100000011-1-100000001-2-1000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.23
Perform the row operation R3=R3+R5 to make the entry at 3,5 a 0.
Nhấp để xem thêm các bước...
Bước 1.23.1
Perform the row operation R3=R3+R5 to make the entry at 3,5 a 0.
[1001100000011-1-1000000+00+01+0-2+0-1+110+00+00+00+00+00001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.23.2
Rút gọn R3.
[1001100000011-1-100000001-20000000001000000000010000000000100000000001100000000001000000000010000000000]
[1001100000011-1-100000001-20000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.24
Perform the row operation R2=R2+R5 to make the entry at 2,5 a 0.
Nhấp để xem thêm các bước...
Bước 1.24.1
Perform the row operation R2=R2+R5 to make the entry at 2,5 a 0.
[10011000000+01+01+0-1+0-1+110+00+00+00+00+0001-20000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.24.2
Rút gọn R2.
[1001100000011-1000000001-20000000001000000000010000000000100000000001100000000001000000000010000000000]
[1001100000011-1000000001-20000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.25
Perform the row operation R1=R1-R5 to make the entry at 1,5 a 0.
Nhấp để xem thêm các bước...
Bước 1.25.1
Perform the row operation R1=R1-R5 to make the entry at 1,5 a 0.
[1-00-00-01-01-10-00-00-00-00-0011-1000000001-20000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.25.2
Rút gọn R1.
[1001000000011-1000000001-20000000001000000000010000000000100000000001100000000001000000000010000000000]
[1001000000011-1000000001-20000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.26
Perform the row operation R3=R3+2R4 to make the entry at 3,4 a 0.
Nhấp để xem thêm các bước...
Bước 1.26.1
Perform the row operation R3=R3+2R4 to make the entry at 3,4 a 0.
[1001000000011-10000000+200+201+20-2+210+200+200+200+200+200+200001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.26.2
Rút gọn R3.
[1001000000011-100000000100000000001000000000010000000000100000000001100000000001000000000010000000000]
[1001000000011-100000000100000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.27
Perform the row operation R2=R2+R4 to make the entry at 2,4 a 0.
Nhấp để xem thêm các bước...
Bước 1.27.1
Perform the row operation R2=R2+R4 to make the entry at 2,4 a 0.
[10010000000+01+01+0-1+110+00+00+00+00+00+000100000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.27.2
Rút gọn R2.
[1001000000011000000000100000000001000000000010000000000100000000001100000000001000000000010000000000]
[1001000000011000000000100000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.28
Perform the row operation R1=R1-R4 to make the entry at 1,4 a 0.
Nhấp để xem thêm các bước...
Bước 1.28.1
Perform the row operation R1=R1-R4 to make the entry at 1,4 a 0.
[1-00-00-01-10-00-00-00-00-00-0011000000000100000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.28.2
Rút gọn R1.
[1000000000011000000000100000000001000000000010000000000100000000001100000000001000000000010000000000]
[1000000000011000000000100000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.29
Perform the row operation R2=R2-R3 to make the entry at 2,3 a 0.
Nhấp để xem thêm các bước...
Bước 1.29.1
Perform the row operation R2=R2-R3 to make the entry at 2,3 a 0.
[10000000000-01-01-10-00-00-00-00-00-00-000100000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 1.29.2
Rút gọn R2.
[1000000000010000000000100000000001000000000010000000000100000000001100000000001000000000010000000000]
[1000000000010000000000100000000001000000000010000000000100000000001100000000001000000000010000000000]
[1000000000010000000000100000000001000000000010000000000100000000001100000000001000000000010000000000]
Bước 2
The pivot positions are the locations with the leading 1 in each row. The pivot columns are the columns that have a pivot position.
Pivot Positions: a11,a22,a33,a44,a55,a66,a77,a89, and a910
Pivot Columns: 1,2,3,4,5,6,7,9, and 10
Bước 3
The rank is the number of pivot columns.
9
(
(
)
)
|
|
[
[
]
]
{
{
}
}
A
A
7
7
8
8
9
9
B
B
4
4
5
5
6
6
/
/
^
^
×
×
>
>
π
π
1
1
2
2
3
3
-
-
+
+
÷
÷
<
<
!
!
,
,
0
0
.
.
%
%
=
=
 [x2  12  π  xdx ]