exa3_36.m

来自「有关matlab r2007的实用教程」· M 代码 · 共 9 行

y=dsolve('D2y=cos(2*x)-y','Dy(0)=0','y(0)=1')
y=simple(y)
y=dsolve('D2y-2Dy-3*y=0')
y=dsolve('D2y-2Dy-3*y=0','y(0)=0','y(1)=1')
y=simple(y)
pretty(y)
ezplot(y,[-6 2])