Chiziqli algebraik tenglamalar sistemasi va ularni yechish
usullari
Maxsud Tulqin o‘g’li Usmonov
maqsudu32@gmail.com
Toshkent axborot texnologiyalari universiteti Qarshi filiali
Annotatsiya:
Mazkur maqolada chiziqli algebraik
tenglamalar sistemasi va
ularni yechish usullari to’g’risida batafsil ma’lumot keltirilgan.
Kalit so’zlar:
chiziqli tenglamalar sistemasi (ChTS), tenglamalar sistemasi
yechishning qo’shish usuli, o’rniga qo’yish usuli, grafik usuli,
yagona yechim,
birgalikda bo’lgan sistema, aniqmas sistema, ekvivalent sistema,
birgalikda
bo’lmagan sistema, tenglamalar sistemasining iqtisodiyotda qo’llanilishi.
System of linear algebraic equations and methods of their
solution
Mahsud Tulkin oglu Usmanov
maksudu32@gmail.com
Karshi branch of Tashkent University of Information Technologies
Abstract:
This article provides detailed information
on the system of linear
algebraic equations and methods for solving them.
Keywords:
system of linear equations (CTS), system of equations, addition
method
of substitution, substitution method, graphical method,
single solution,
cohesive system, indefinite system, equivalent system,
non-cohesive system, the
application of the system of equations in the economy.
1. Chiziqli algebraik tenglamalar sistemasi va uning yechimi.
Ma’lumki, bir necha tenglamalar birgalikda qaralsa, ularga tenglamalar
sistemasi deyiladi.
Quyidagi
11 1
12 2
1
1
21 1
22 2
2
2
1 1
2 2
...
,
...
,
... ... ... ... ... ...
...
n n
n n
m
m
mn n
m
a x
a x
a x
b
a x
a x
a x
b
a x
a x
a x
b
+
+ +
=
+
+ +
=
+
+ +
=
(1)
"Science and Education" Scientific Journal
August 2021 / Volume 2 Issue 8
www.openscience.uz
303
sistemaga
n
noma’lumli
m
ta chiziqli algebraik tenglamalar sistemasi (yoki
soddalik uchun chiziqli tenglamalar sistemasi) deyiladi.
Bu yerda
11
12
,
,....,
mn
a
a
a
sonlar (1) sistemaning koeffitsiyentlari,
1
,
x
2
,
x
…,
n
x
lar noma’lumlar,
1
2
,
,...,
m
b b
b
sonlar esa ozod hadlar deyiladi.
Tenglamalar sistemasi koeffisiyentlaridan tuzilgan
11
12
1
21
22
2
1
2
...
...
...
...
...
...
...
n
n
m
m
mn
a
a
a
a
a
a
A
a
a
a
=
matritsa tenglamalar sistemasining asosiy matritsasi deyiladi. Noma’lumlar
vektorini
1
2
( ,
,...,
)
T
n
X
x x
x
=
ustun vektor, ozod hadlarni
1
2
( , ,...,
)