N. I. Asqarov R. A. Mullajonov

I Bob. Asosiy tushunchalar

1.1-§.O’zgarmas koeffisiyentli chiziqli differensial tenglamalar………. 11

1.2-§.O’zgarmasni variatsiyalash usuli………………………………... 15

1.3-§. Eyler va Lagrang tenglamalari…………………………………... 18

1.4-§. Involyutsiya va uning asosiy xossalari………………………….. 24

I bob bo’yicha xulosa ………………………………………………… 28

II Bob.Involyutsiya xossasiga ega bo’lgan oddiy differensial tenglamalar

2.1-§. Differensial tenglamalar involyutsiyasi………………………….. 29

2.2-§. Chiziqli differensial tenglamalar involyutsiyasi………………….. 31

2.3-§. Chiziqli differensial tenglamalar sistemasining involyutsiyasi…… 42

2.4-§. Misollar yechish………………………………………………….. 44