By introducing proper stretchy variable and constructing boundary layer function, it concludes N-order approximate solution, and using theory of differential inequality, uniformly validity of asymptotic expansion is proved.
英
美
- 通過(guò)引進(jìn)適當的伸長(cháng)變量，構造邊界層函數，得到了解的N階近似值，并利用微分不等式理論證明了解的漸近展開(kāi)式的一致有效性。
