ezsurf('u*sin(t)','u*cos(t)','100t/2816',[0,20,0,2])
怎样用matlab画参数方程x=u*sin(t);y=u*cos(t);z=100*t/1715;0
t=0:pi/100:10*pi; x=2*(cos(t)+t*sin(t)); y=2*(sin(t)-t*cos(t
求证三角函数题目求证 cos[ w( t - x/u -L/2u )]+cos[ w( t + x/u - L/2u)
matlab给出一个信号t=0:0.001:3,其正弦信号频率响应特性u=sin(300t)+cos(200t),求
Matlab u(x,t)=sin(5*pi*x)cos(5*pi*t)+2sin(7*pi*x)cos(7*pi*t)
matlab中t=linspace(0,2*pi,100);x=[t;t]';y=[sin(t);cos(t)]';pl
信号与系统MATLAB实验画出f (t) = (1+ cosπt)[u(t) − u(t − 2
matlab中的t=0:0.01:5;u=sin(t);sys=tf(100,[1 5 100]);lsim(sys,u
请教高手指点matlaB程序画图:如下要求:u(t)=sin(100t),dH(t)/dt=H(t)^3+u(t)H(t
matlab du/dt=d(du)/dx^2 x属于(0,1),t属于(0,T]u(0,t)=u(1,t)=0u(x,
don't u know?can't u
T.A.T.U经典歌曲