MUNDARIJA Kirish……………………………………………………………………...............3 I BOB. XUSUSIY HOSILALI DIFFERENSIAL TENGLAMALAR HAQIDA UMUMIY TUSHUNCHALAR 1.1-§ Xususiy hosilali differensial tenglamalar............................................5 1.2-§ Xususiy hosilali differensial tenglamalar va ularning yechimi to’g’risida tushuncha.............................................................................................18 1.3-§ Ikkinchi tartibli differensial tenglamalarning klassifikatsiyasi va kanonik ko‘rinishga keltirish...............................................................................23 II-BOB. IKKINCHI TARTIBLI XUSUSIY HOSILALI DIFFERENSIAL TENGLAMALAR. 2.1-§ Ikkinchi tartibli ikki o‘zgaruvchili kvazichiziqli xususiy hosilali differrensial tenglamalarni kanonik korinishga keltirish.……….....................30 2.2-§ Xususiy hosilali differensial tenglamalar uchun asosiy masalalarning qo‘yilishi........................................................................................37 2.3-§ Ikki o‘zgaruvchili ikkinchi tartibli xususiy hosilali differensial tenglamalarning umumiy yechimini topishga doir misollar...............................43 2.4-§ Ikkinchi tartibli xususiy hosilali chiziqli differensial tenglamalar uchun chegaraviy masalalarning qo‘yilishi.......................................................47 XULOSA………………………………………………………..................50 Foydalanilgan adabiyotlar……………………………………………......