matlab求导数Clear, dx = 0.01*2*pi ;x = 0:dx:2*pi ;y =exp(-0.5*x)*sin(2*x);F1=diff(y)/dx;F1=[f1(1),(f1(1:end-1)+f1(2:end))/2,f1(end)];Figure,plot(x, -0.5*exp(-0.5*x)*sin(2*x)+2 exp(-0.5*x)*cos(2*x),x,f1,’.’)Y=sym(‘exp(-0.5*x)*sin(2*x)’);Dy
来源：学生作业帮助网 编辑：作业帮 时间：2024/07/30 00:31:34
xTMk@+PlI&|twKKыRLf7-NzZDtA/BAAAď)ݶX{03>7l {Ax^ $fֲDj6!i
drQj8&Zk Br0m (̎f -Lt2yQ_1_<8 rJClL1Oycpɫ'_N )sɝ&$G\w8̚nua0H}} uU00tt\a.9nFp