Differensial tenglamalar

Agar n=2 bo’lib ,

(7.29)
Bo’lsa, ikkinchi tartibli tenglamaning integral chizig’i boshlang’ich y(x₀)=y₁ shartni qanoatlantirishi lozim bo’ladi . Yana , agar n=2 bo’lib
(7.30)

Bo’lsa ,bu ham tez-tez uchraydigan chegaraviy masalaning shartidan iborat .Ba’zi hollarda yechim davriyligining chegaraviy sharti deb yuritiluvchi (n=2)