matlab中想求出y=dsolve('D2y+y=sin(t) * cos(30)','t'),再画图,该怎么办?会出
matlab中想求出y=dsolve('D2y+y=sin(t) * cos(30)','t'),再画图,该怎么办?会出
y=dsolve('D2y=(-9.8sin(y))','t')用matlab怎么解出y的轨迹?
用matlab解:y=dsolve('D2y+exp(-t)*Dy-sin(sqrt(t))*y=exp(-t)*sin
matlab ode45求解微分方程 D2y-0.01*Dy.^2+2*y=sin(t),
matlab(1-x)*y''=0.2*sqrt(1+y'^2) 输入y=dsolve('(1-x)*D2y-0.2*s
matlab中t=linspace(0,2*pi,100);x=[t;t]';y=[sin(t);cos(t)]';pl
matlab求解常微分y=dsolve('D3y-3*D2y-Dy*y=0','y(0)=1 Dy(0)=-1 D2y(
为什么在matlab中y=dsolve('5*(1-x)*D2y=sqrt+Dy*Dy)','y(0)=0,Dy(0)=
matlab 画图for t=0:0.5:5x=4*cos(3*t);y=4*sin(3*t);z=2*t;a=240*
用matlab解常微分方程,调用dsolve是老出错 y=dsolve('Dy=x*sin(x)/cos(y)','x'
用matlab 如何作出y与t的图?y=(sin(t)-sin(t0))^2 且 cos t+t*sin t-cos t
MATLAB解微分方程 :a=105.52 b=0.059 dsolve('D2y+2783.83*(1-2*b*cos