用matlab解常微分方程，调用dsolve是老出错 y=dsolve('Dy=x*sin(x)/cos(y)','x')

是你的matlab装得有问题吧？我这里运行没错啊 >> y=dsolve('Dy=x*sin(x)/cos(y)','x') y = -asin(-sin(x)+x*cos(x)-C1)