摘要: First order differential equations: $\frac{{\rm d}y}{{\rm d}x}+Fy=G$​ $$\begin{aligned}&\frac{{\rm d}y}{{\rm d}x}+Fy=G\qquad z\frac{{\rm d}y}{{\rm d}x 阅读全文
posted @ 2024-02-13 11:11 Corylus 阅读(12) 评论(0) 推荐(0) 编辑