谁能帮我看懂这个系统的表达式,并说明,谢谢
<P>function OUT=duffinglianshu(t,X)<BR>global B</P><P><BR>x=X(1); y=X(2);z=X(3);<BR>Q=;</P>
<P>dx=-(y+z);<BR>dy=x+0.1*y;<BR>dz=0.1+(x-B)*z; </P>
<P>DX1=;</P>
<P> <BR>J=[ 0,-1, -1;<BR> 1, 0.1, 0;<BR> z,0, x-B];<BR> <BR>F=J*Q;<BR> <BR>OUT=;</P> OUT =<BR> -X2-X3<BR> X1+1/10*X2<BR> 1/10+(X1-B)*X3<BR> -X5-X6<BR> X4+1/10*X5<BR> X3*X4+(X1-B)*X6<BR> -X8-X9<BR> X7+1/10*X8<BR> X3*X7+(X1-B)*X9<BR> -X11-X12<BR> X10+1/10*X11<BR> X3*X10+(X1-B)*X12<BR><BR>至于干什么用,我就说不出来了。呵呵<BR><BR>其实就是把DX1和J*Q合起来了呀
页:
[1]