如何用maple求解y``+y=(sin(t))^3-cos(t);y(0)=1;y`(0)=2
t=0:pi/100:10*pi; x=2*(cos(t)+t*sin(t)); y=2*(sin(t)-t*cos(t
matlab中t=linspace(0,2*pi,100);x=[t;t]';y=[sin(t);cos(t)]';pl
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
我的matlab程序哪里错了? t=0:0.01:2*pi x=cos(t)^3 y=sin(t)^3 plot(x,y
在matlab中如何用laplace变换求解微分方程u''(t)-u=exp(t),y(0)=0,y'(0)=0
1.利用plot函数在区间[0,2π]同时绘制x=sin(t)和y=cos(t),z=sin(t)+cos(t)的图形.
利用plot函数在区间[0,2π]同时绘制x=sin(t)和y=cos(t),z=sin(t)+cos(t)的图形.要求
如何用matlab画y=267*sin(x)*sin(x)*cos(x);在(0 2pi)区间
matlab编程求解微分方程组:x=x*y+t,y=x^2*sin(y)+t^2
matlab参数方程绘图x=sin(t);y=cos(t);0
x=2sin(t),y=cos(t+pie),求dy/dx,和d^2y/dx^2,在点(0,-1)
matlab中假设t=0:0.1:2*pi;为什么y=t.*sin(t).*sin(t)不等于y=t.*(sin(t))