一元线性微分方程求解公式
2025-10-07
举例说明:(x-2)*dy/dx=y 2*(x-2)^3 解: 因为:(x-2)*dy/dx=y 2*(x-2)³ (x-2)dy=[y 2*(x-2)³]dx (x-2)dy-ydx=2*(x-2)³dx [(x-2)dy-ydx]/(x-2)²=2*(x-2)dx d[y/(x-2)]=d[(x-2)²] y/(x-2)=(x-2)² C (C是积分常数) y=(x-2)³ C(x-2)...
2025-10-07
举例说明:(x-2)*dy/dx=y 2*(x-2)^3 解: 因为:(x-2)*dy/dx=y 2*(x-2)³ (x-2)dy=[y 2*(x-2)³]dx (x-2)dy-ydx=2*(x-2)³dx [(x-2)dy-ydx]/(x-2)²=2*(x-2)dx d[y/(x-2)]=d[(x-2)²] y/(x-2)=(x-2)² C (C是积分常数) y=(x-2)³ C(x-2)...