Матриц болон тодорхойлогч, тэдгээрийг бодох нь2. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌÀÒÐÈÖ
"n × m øèðõýã ýëåìåíòýýñ òîãòñîí n øèðõýã ì°ð, m
øèðõýã áàãàíàòàé
a11 a12 ... a1m
a21 a22 ... a2m
...
...
...
...
an1 an2 ... anm
(1)
(1) òýãø °íö°ãò õ³ñíýãòèéã ìàòðèö ãýíý."
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3. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌÀÒÐÈÖ
"n × m øèðõýã ýëåìåíòýýñ òîãòñîí n øèðõýã ì°ð, m
øèðõýã áàãàíàòàé
a11 a12 ... a1m
a21 a22 ... a2m
...
...
...
...
an1 an2 ... anm
(1)
(1) òýãø °íö°ãò õ³ñíýãòèéã ìàòðèö ãýíý."
Æèøýý 1.
A =
−1.5 3
20 5.5
3 −4
;
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4. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌÀÒÐÈÖ
"n × m øèðõýã ýëåìåíòýýñ òîãòñîí n øèðõýã ì°ð, m
øèðõýã áàãàíàòàé
a11 a12 ... a1m
a21 a22 ... a2m
...
...
...
...
an1 an2 ... anm
(1)
(1) òýãø °íö°ãò õ³ñíýãòèéã ìàòðèö ãýíý."
Æèøýý 1.
A =
−1.5 3
20 5.5
3 −4
;B =
1 0 0
0 1 0
0 0 1
;
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5. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌÀÒÐÈÖ
"n × m øèðõýã ýëåìåíòýýñ òîãòñîí n øèðõýã ì°ð, m
øèðõýã áàãàíàòàé
a11 a12 ... a1m
a21 a22 ... a2m
...
...
...
...
an1 an2 ... anm
(1)
(1) òýãø °íö°ãò õ³ñíýãòèéã ìàòðèö ãýíý."
Æèøýý 1.
A =
−1.5 3
20 5.5
3 −4
;B =
1 0 0
0 1 0
0 0 1
;C = 1 2 5
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9. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌÀÒÐÈÖ
Íýð Õýìæýýñ Æèøýý Òàéëáàð
Ì°ð
ìàòðèö
1 × n 1 2 ... 5 Íýã ì°ð á³õèé
ìàòðèö
Áàãàíà
ìàòðèö
n × 1
1
2
...
5
Íýã áàãàíà
á³õèé ìàòðèö
Êâàäðàò
ìàòðèö
n × n
1 2 ... 5
2 4 ... 6
...
...
...
...
7 8 ... 9
Ì°ð áà áàãàíû
òîî òýíö³³
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11. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌÀÒÐÈÖ
Íýð Õýìæýýñ Æèøýý Òàéëáàð
Íýãæ
ìàòðèö
n × n
1 0 ... 0
0 1 ... 0
...
...
...
...
0 0 ... 1
äèàãîíàëèéí
äàãóó ç°âõ°í
1, áóñàä
ýëåìåíò³³ä íü
0 áàéõ ìàòðèö
Ãóðâàëæèí
ìàòðèö
n × n
2 4 ... 8
0 1 ... 10
...
...
...
...
0 0 ... −1
Ãîë
äèàãîíàëèéí
äýýðõ,
ýñâýë äîîðõ
ýëåìåíò³³ä íü
á³ãä 0 áàéõ
ìàòðèöÄ.Áàòò°ð email: batturdn@gmail.com Ìàòåìàòèê 1
43. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×
"n × n øèðõýã ýëåìåíòýýñ òîãòñîí n øèðõýã ì°ð, n
øèðõýã áàãàíàòàé
detA =
a11 a12 ... a1n
a21 a22 ... a2n
...
...
...
...
an1 an2 ... ann
(2)
(2) êâàäðàò õ³ñíýãòèéã n-ð ýðýìáèéí A ìàòðèöûí
òîäîðõîéëîã÷ ãýõ ãýíý."
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44. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×
"n × n øèðõýã ýëåìåíòýýñ òîãòñîí n øèðõýã ì°ð, n
øèðõýã áàãàíàòàé
detA =
a11 a12 ... a1n
a21 a22 ... a2n
...
...
...
...
an1 an2 ... ann
(2)
(2) êâàäðàò õ³ñíýãòèéã n-ð ýðýìáèéí A ìàòðèöûí
òîäîðõîéëîã÷ ãýõ ãýíý."
Æèøýý 6:
11 2
−3 1
;
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45. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×
"n × n øèðõýã ýëåìåíòýýñ òîãòñîí n øèðõýã ì°ð, n
øèðõýã áàãàíàòàé
detA =
a11 a12 ... a1n
a21 a22 ... a2n
...
...
...
...
an1 an2 ... ann
(2)
(2) êâàäðàò õ³ñíýãòèéã n-ð ýðýìáèéí A ìàòðèöûí
òîäîðõîéëîã÷ ãýõ ãýíý."
Æèøýý 6:
11 2
−3 1
;
1 2 0
−1 −3 1
1 −3 1
;
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46. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×
"n × n øèðõýã ýëåìåíòýýñ òîãòñîí n øèðõýã ì°ð, n
øèðõýã áàãàíàòàé
detA =
a11 a12 ... a1n
a21 a22 ... a2n
...
...
...
...
an1 an2 ... ann
(2)
(2) êâàäðàò õ³ñíýãòèéã n-ð ýðýìáèéí A ìàòðèöûí
òîäîðõîéëîã÷ ãýõ ãýíý."
Æèøýý 6:
11 2
−3 1
;
1 2 0
−1 −3 1
1 −3 1
;
1 2 0 5
3 −1 −3 1
0 1 −3 1
6 −3 3 1
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60. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×2,3-ð ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
detA =
a11 a12
a21 a22
= a11a22 − a12a21
detB =
b11 b12 b13
b21 b22 b23
b31 b32 b33
= b11b22b33 + b13b21b32 +
b12b23b31 − b13b22b31 − b11b23b32 − b12b21b33
Æèøýý 7:
11 2
−3 1
= 11 · 1 − 2 · (−3) = 17
1 2 0
−1 −3 1
1 −3 1
= 1 · (−3) · 1 + 0 · (−1) · (−3) + 2 · 1 · 1
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61. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×2,3-ð ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
detA =
a11 a12
a21 a22
= a11a22 − a12a21
detB =
b11 b12 b13
b21 b22 b23
b31 b32 b33
= b11b22b33 + b13b21b32 +
b12b23b31 − b13b22b31 − b11b23b32 − b12b21b33
Æèøýý 7:
11 2
−3 1
= 11 · 1 − 2 · (−3) = 17
1 2 0
−1 −3 1
1 −3 1
= 1 · (−3) · 1 + 0 · (−1) · (−3) + 2 · 1 · 1
−0 · (−3) · 1 − 1 · 1 · (−3) − 2 · (−1) · 1
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62. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×2,3-ð ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
detA =
a11 a12
a21 a22
= a11a22 − a12a21
detB =
b11 b12 b13
b21 b22 b23
b31 b32 b33
= b11b22b33 + b13b21b32 +
b12b23b31 − b13b22b31 − b11b23b32 − b12b21b33
Æèøýý 7:
11 2
−3 1
= 11 · 1 − 2 · (−3) = 17
1 2 0
−1 −3 1
1 −3 1
= 1 · (−3) · 1 + 0 · (−1) · (−3) + 2 · 1 · 1
−0 · (−3) · 1 − 1 · 1 · (−3) − 2 · (−1) · 1 =
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64. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Òîäîðõîéëîã÷èéí ÷àíàðóóä
1. Òîäîðõîéëîã÷èéã õ°ðâ³³ëýõýä (á³õ ì°ðèéã õàðãàëçàõ
äóãààðòàé áàãàíààð, á³õ áàãàíûí õàðãàëçàõ äóãààðòàé
ì°ð°°ð ñîëèõîä) òîäîðõîéëîã÷èéí óòãà °°ð÷ë°ãä°õã³é.
a1 b1 c1
a2 b2 c2
a3 b3 c3
=
a1 a2 a3
b1 b2 b3
c1 c2 c3
2. Òîäîðõîéëîã÷èéí äóðûí õî¼ð ì°ð (áàãàíà)-èéí áàéðûã
ñîëèõîä òîäîðõîéëîã÷èéí òýìäýã ýñðýãýýð °°ð÷ë°ãä°í°.
a1 b1 c1
a2 b2 c2
a3 b3 c3
= −
b1 a1 c1
b2 a2 c2
b3 a3 c3
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70. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Òîäîðõîéëîã÷èéí ÷àíàðóóä
4. Òîäîðõîéëîã÷èéí àëü íýã ì°ð (áàãàíà)-íä åð°íõèé
³ðæèãäõ³³íèéã òîäîðõîéëîã÷èéí òýìäýãèéí °ìí°
ãàðãàæ áîëíî.
a1 mb1 c1
a2 mb2 c2
a3 mb3 c3
= m ·
a1 b1 c1
a2 b2 c2
a3 b3 c3
Ì°ðäë°ã 1:
Õýðýâ òîäîðõîéëîã÷èéí àëü íýã ì°ðèéí (áàãàíà)-°íä á³õ ýëåìåíò
0 áàéâàë òîäîðõîéëîã÷èéí óòãà 0 áàéíà.
Ì°ðäë°ã 2:
Õýðýâ òîäîðõîéëîã÷èéí õî¼ð ì°ð (áàãàíà)-èéí ýëåìåíò³³ä
õàðãàëçàí ïðîïîðöèîíàëü áîë òîäîðõîéëîã÷èéí óòãà 0 áàéíà.
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78. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
1. Òîäîðõîéëîã÷èéã ì°ð (áàãàíà)-°°ð çàäëàõ:
n-ð ýðýìáèéí òîäîðõîéëîã÷èéí i-ð ì°ð, -ð ì°ð áàãàíûã
äàðàõàä ³³ñýõ n − 1-ð ýðýìáèéí òîäîðõîéëîã÷èéã
äàðàãäñàí ì°ð áàãàíû îãòëîëöîë äýýðõè aij ýëåìåíòýä
õàðãàëçàõ ìèíîð ãýýä Mij ãýæ òýìäýãëýíý.
Æèøýý 9:
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
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79. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
1. Òîäîðõîéëîã÷èéã ì°ð (áàãàíà)-°°ð çàäëàõ:
n-ð ýðýìáèéí òîäîðõîéëîã÷èéí i-ð ì°ð, -ð ì°ð áàãàíûã
äàðàõàä ³³ñýõ n − 1-ð ýðýìáèéí òîäîðõîéëîã÷èéã
äàðàãäñàí ì°ð áàãàíû îãòëîëöîë äýýðõè aij ýëåìåíòýä
õàðãàëçàõ ìèíîð ãýýä Mij ãýæ òýìäýãëýíý.
Æèøýý 9:
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
M13 =
4 5
7 8
;
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80. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
1. Òîäîðõîéëîã÷èéã ì°ð (áàãàíà)-°°ð çàäëàõ:
n-ð ýðýìáèéí òîäîðõîéëîã÷èéí i-ð ì°ð, -ð ì°ð áàãàíûã
äàðàõàä ³³ñýõ n − 1-ð ýðýìáèéí òîäîðõîéëîã÷èéã
äàðàãäñàí ì°ð áàãàíû îãòëîëöîë äýýðõè aij ýëåìåíòýä
õàðãàëçàõ ìèíîð ãýýä Mij ãýæ òýìäýãëýíý.
Æèøýý 9:
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
M13 =
4 5
7 8
; M32 =
1 3
4 6
;
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81. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
1. Òîäîðõîéëîã÷èéã ì°ð (áàãàíà)-°°ð çàäëàõ:
n-ð ýðýìáèéí òîäîðõîéëîã÷èéí i-ð ì°ð, -ð ì°ð áàãàíûã
äàðàõàä ³³ñýõ n − 1-ð ýðýìáèéí òîäîðõîéëîã÷èéã
äàðàãäñàí ì°ð áàãàíû îãòëîëöîë äýýðõè aij ýëåìåíòýä
õàðãàëçàõ ìèíîð ãýýä Mij ãýæ òýìäýãëýíý.
Æèøýý 9:
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
M13 =
4 5
7 8
; M32 =
1 3
4 6
;
M21 = ;
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82. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
1. Òîäîðõîéëîã÷èéã ì°ð (áàãàíà)-°°ð çàäëàõ:
n-ð ýðýìáèéí òîäîðõîéëîã÷èéí i-ð ì°ð, -ð ì°ð áàãàíûã
äàðàõàä ³³ñýõ n − 1-ð ýðýìáèéí òîäîðõîéëîã÷èéã
äàðàãäñàí ì°ð áàãàíû îãòëîëöîë äýýðõè aij ýëåìåíòýä
õàðãàëçàõ ìèíîð ãýýä Mij ãýæ òýìäýãëýíý.
Æèøýý 9:
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
M13 =
4 5
7 8
; M32 =
1 3
4 6
;
M21 = ; M = ;
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87. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
aij ýëåìåíòýä õàðãàëçàõ ìèíîð Mij-ã (−1)i+j òýìäýãýýð
³ðæ³³ëñýí ³ðæâýðèéã ýíý ýëåìåíòýä õàðãàëçàõ àëãåáðûí
ã³éöýýëò ãýýä Aij ãýæ òýìäýãëýíý.
Æèøýý 9 (³ðãýëæëýë):
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
A13 = (−1)1+3 4 5
7 8
=
4 5
7 8
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88. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
aij ýëåìåíòýä õàðãàëçàõ ìèíîð Mij-ã (−1)i+j òýìäýãýýð
³ðæ³³ëñýí ³ðæâýðèéã ýíý ýëåìåíòýä õàðãàëçàõ àëãåáðûí
ã³éöýýëò ãýýä Aij ãýæ òýìäýãëýíý.
Æèøýý 9 (³ðãýëæëýë):
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
A13 = (−1)1+3 4 5
7 8
=
4 5
7 8
A32
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89. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
aij ýëåìåíòýä õàðãàëçàõ ìèíîð Mij-ã (−1)i+j òýìäýãýýð
³ðæ³³ëñýí ³ðæâýðèéã ýíý ýëåìåíòýä õàðãàëçàõ àëãåáðûí
ã³éöýýëò ãýýä Aij ãýæ òýìäýãëýíý.
Æèøýý 9 (³ðãýëæëýë):
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
A13 = (−1)1+3 4 5
7 8
=
4 5
7 8
A32 = (−1)3+2 1 3
4 6
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90. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
aij ýëåìåíòýä õàðãàëçàõ ìèíîð Mij-ã (−1)i+j òýìäýãýýð
³ðæ³³ëñýí ³ðæâýðèéã ýíý ýëåìåíòýä õàðãàëçàõ àëãåáðûí
ã³éöýýëò ãýýä Aij ãýæ òýìäýãëýíý.
Æèøýý 9 (³ðãýëæëýë):
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
A13 = (−1)1+3 4 5
7 8
=
4 5
7 8
A32 = (−1)3+2 1 3
4 6
= −
1 3
4 6
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91. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
aij ýëåìåíòýä õàðãàëçàõ ìèíîð Mij-ã (−1)i+j òýìäýãýýð
³ðæ³³ëñýí ³ðæâýðèéã ýíý ýëåìåíòýä õàðãàëçàõ àëãåáðûí
ã³éöýýëò ãýýä Aij ãýæ òýìäýãëýíý.
Æèøýý 9 (³ðãýëæëýë):
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
A13 = (−1)1+3 4 5
7 8
=
4 5
7 8
A32 = (−1)3+2 1 3
4 6
= −
1 3
4 6
A
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92. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
aij ýëåìåíòýä õàðãàëçàõ ìèíîð Mij-ã (−1)i+j òýìäýãýýð
³ðæ³³ëñýí ³ðæâýðèéã ýíý ýëåìåíòýä õàðãàëçàõ àëãåáðûí
ã³éöýýëò ãýýä Aij ãýæ òýìäýãëýíý.
Æèøýý 9 (³ðãýëæëýë):
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
A13 = (−1)1+3 4 5
7 8
=
4 5
7 8
A32 = (−1)3+2 1 3
4 6
= −
1 3
4 6
A = (−1)
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93. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
aij ýëåìåíòýä õàðãàëçàõ ìèíîð Mij-ã (−1)i+j òýìäýãýýð
³ðæ³³ëñýí ³ðæâýðèéã ýíý ýëåìåíòýä õàðãàëçàõ àëãåáðûí
ã³éöýýëò ãýýä Aij ãýæ òýìäýãëýíý.
Æèøýý 9 (³ðãýëæëýë):
detA =
1 2 3
4 5 6
7 8 9
òîäîðõîéëîã÷èéí õóâüä:
A13 = (−1)1+3 4 5
7 8
=
4 5
7 8
A32 = (−1)3+2 1 3
4 6
= −
1 3
4 6
A = (−1) =
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94. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÒÎÄÎÐÕÎÉËÎÃ×Äýýä ýðýìáèéí òîäîðõîéëîã÷èéã áîäîõ
Theorem
Òîäîðõîéëîã÷èéí óòãà äóðûí ì°ð (áàãàíà)-ûí ýëåìåíò
á³ðèéã ò³³íèé àëãåáðûí ã³éöýýëòýýð ³ðæ³³ëæ íýìñýí
íèéëáýðòýé òýíö³³.
detA = ai1 · Ai1 + ai2 · Ai2 + · · · + ain · Ain, i = 1, 2, . . . , n
detA = a1j · A1j + a2j · A2j + · · · + anj · Anj, j = 1, 2, . . . , n
(3)
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107. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ
Òîäîðõîéëîëò
An×n ìàòðèöûí òîäîðõîéëîã÷ òýãòýé òýíö³³ (|A| = 0) áîë á°õ°õ
ìàòðèö, ýñðýã òîõèîëäîëä (|A| = 0) ³ë á°õ°õ ìàòðèö ãýíý.
Òîäîðõîéëîëò
Õýðýâ ³ë á°õ°õ An×n ìàòðèöûí õóâüä A · B = B · A = E áàéõ
Bn×n ìàòðèöûã A ìàòðèöûí óðâóó ìàòðèö ãýýä A−1
ãýæ
òýìäýãëýíý.
Theorem
Õýðýâ An×n ìàòðèö ³ë á°õ°õ áîë öîðûí ãàíö óðâóó ìàòðèö A−1
îðøèí áàéõ áà ò³³íèéã
A−1
=
1
|A|
(Av
)T
ãýæ îëíî. Ýíä Av
íü A ìàòðèöûí àëãåáðûí ã³éöýýëò³³äýýñ
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108. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ (àëãåáðûí ã³éöýýëò àøèãëàõ àðãà)
1 ã°ãäñ°í A ìàòðèöûí òîäîðõîéëîã÷èéã áîäíî. /Õýðýâ
òîäîðõîéëîã÷ íü 0 áîë óðâóó ìàòðèö îðøèõã³é, 0-ýýñ
ÿëãààòàé áîë óðâóó ìàòðèö îðøèí áàéíà.
2 ã°ãäñ°í A ìàòðèöûí á³õ àëãåáðûí ã³éöýýëò³³äèéã îëíî.
3 Àëãåáðûí ã³éöýýëò³³äýýð Av
ìàòðèö ³³ñãýíý.
4 “ññýí àëãåáðûí ã³éöýýëò³³äýñ òîãòîõ Av
ìàòðèöûã
õ°ðâ³³ëíý.
5 Õ°ðâ³³ëñýí (Av
)T
ìàòðèöûí ýëåìåíò á³ðèéã °ã°ãäñ°í
ìàòðèöûí òîäîðõîéëîã÷èä õóâààñíààð óðâóó ìàòðèö A−1
îëäíî.
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111. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ (àëãåáðûí ã³éöýýëò àøèãëàõ àðãà)
Æèøýý 10:
A =
1 2
3 4
ìàòðèöûí óðâóó ìàòðèöûã îë.
1 |A| =
1 2
3 4
= 1 · 4 − 2 · 3 = 4 − 6 = −2 = 0 òóë óðâóó
ìàòðèö îðøèí áàéíà.
2 A11 = (−1)1+1
· 4 = 4,
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112. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ (àëãåáðûí ã³éöýýëò àøèãëàõ àðãà)
Æèøýý 10:
A =
1 2
3 4
ìàòðèöûí óðâóó ìàòðèöûã îë.
1 |A| =
1 2
3 4
= 1 · 4 − 2 · 3 = 4 − 6 = −2 = 0 òóë óðâóó
ìàòðèö îðøèí áàéíà.
2 A11 = (−1)1+1
· 4 = 4, A12 = (−1)1+2
· 3 = −3
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113. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ (àëãåáðûí ã³éöýýëò àøèãëàõ àðãà)
Æèøýý 10:
A =
1 2
3 4
ìàòðèöûí óðâóó ìàòðèöûã îë.
1 |A| =
1 2
3 4
= 1 · 4 − 2 · 3 = 4 − 6 = −2 = 0 òóë óðâóó
ìàòðèö îðøèí áàéíà.
2 A11 = (−1)1+1
· 4 = 4, A12 = (−1)1+2
· 3 = −3
A21
= (−1)2+1
· 2 = −2,
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114. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ (àëãåáðûí ã³éöýýëò àøèãëàõ àðãà)
Æèøýý 10:
A =
1 2
3 4
ìàòðèöûí óðâóó ìàòðèöûã îë.
1 |A| =
1 2
3 4
= 1 · 4 − 2 · 3 = 4 − 6 = −2 = 0 òóë óðâóó
ìàòðèö îðøèí áàéíà.
2 A11 = (−1)1+1
· 4 = 4, A12 = (−1)1+2
· 3 = −3
A21
= (−1)2+1
· 2 = −2, A22 = (−1)2+2
· 1 = 1
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115. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ (àëãåáðûí ã³éöýýëò àøèãëàõ àðãà)
Æèøýý 10:
A =
1 2
3 4
ìàòðèöûí óðâóó ìàòðèöûã îë.
1 |A| =
1 2
3 4
= 1 · 4 − 2 · 3 = 4 − 6 = −2 = 0 òóë óðâóó
ìàòðèö îðøèí áàéíà.
2 A11 = (−1)1+1
· 4 = 4, A12 = (−1)1+2
· 3 = −3
A21
= (−1)2+1
· 2 = −2, A22 = (−1)2+2
· 1 = 1
3 Av
=
4 −3
−2 1
⇒
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116. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ (àëãåáðûí ã³éöýýëò àøèãëàõ àðãà)
Æèøýý 10:
A =
1 2
3 4
ìàòðèöûí óðâóó ìàòðèöûã îë.
1 |A| =
1 2
3 4
= 1 · 4 − 2 · 3 = 4 − 6 = −2 = 0 òóë óðâóó
ìàòðèö îðøèí áàéíà.
2 A11 = (−1)1+1
· 4 = 4, A12 = (−1)1+2
· 3 = −3
A21
= (−1)2+1
· 2 = −2, A22 = (−1)2+2
· 1 = 1
3 Av
=
4 −3
−2 1
⇒
4 (Av
)T
=
4 −3
−2 1
T
=
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117. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ (àëãåáðûí ã³éöýýëò àøèãëàõ àðãà)
Æèøýý 10:
A =
1 2
3 4
ìàòðèöûí óðâóó ìàòðèöûã îë.
1 |A| =
1 2
3 4
= 1 · 4 − 2 · 3 = 4 − 6 = −2 = 0 òóë óðâóó
ìàòðèö îðøèí áàéíà.
2 A11 = (−1)1+1
· 4 = 4, A12 = (−1)1+2
· 3 = −3
A21
= (−1)2+1
· 2 = −2, A22 = (−1)2+2
· 1 = 1
3 Av
=
4 −3
−2 1
⇒
4 (Av
)T
=
4 −3
−2 1
T
=
4 −2
−3 1
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118. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ (àëãåáðûí ã³éöýýëò àøèãëàõ àðãà)
Æèøýý 10:
A =
1 2
3 4
ìàòðèöûí óðâóó ìàòðèöûã îë.
1 |A| =
1 2
3 4
= 1 · 4 − 2 · 3 = 4 − 6 = −2 = 0 òóë óðâóó
ìàòðèö îðøèí áàéíà.
2 A11 = (−1)1+1
· 4 = 4, A12 = (−1)1+2
· 3 = −3
A21
= (−1)2+1
· 2 = −2, A22 = (−1)2+2
· 1 = 1
3 Av
=
4 −3
−2 1
⇒
4 (Av
)T
=
4 −3
−2 1
T
=
4 −2
−3 1
5 A−1
= 1
|A| (Av
)T
= 1
−2
4 −2
−3 1
=
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119. Ìàòðèö
Òîäîðõîéëîã÷
Óðâóó
ìàòðèö
ÌàòðèöÓðâóó ìàòðèöûã îëîõ (àëãåáðûí ã³éöýýëò àøèãëàõ àðãà)
Æèøýý 10:
A =
1 2
3 4
ìàòðèöûí óðâóó ìàòðèöûã îë.
1 |A| =
1 2
3 4
= 1 · 4 − 2 · 3 = 4 − 6 = −2 = 0 òóë óðâóó
ìàòðèö îðøèí áàéíà.
2 A11 = (−1)1+1
· 4 = 4, A12 = (−1)1+2
· 3 = −3
A21
= (−1)2+1
· 2 = −2, A22 = (−1)2+2
· 1 = 1
3 Av
=
4 −3
−2 1
⇒
4 (Av
)T
=
4 −3
−2 1
T
=
4 −2
−3 1
5 A−1
= 1
|A| (Av
)T
= 1
−2
4 −2
−3 1
=
−2 1
1.5 −0.5
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