find函数 matlabsys2=tf([1],[1,0.6,1]);t=0:0.01:20;y=step(sys2,t);plot(t,y),grid;[ym,km]=max(y);line(t(km),ym,'marker','.',...'markeredgecolor','r','markersize',20);ystr=['ymax=',sprintf('%1.6g\',ym)];tstr=['tmax=',sprintf('%1.4g\',t(km))];text(t(km
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/06 19:50:07
![find函数 matlabsys2=tf([1],[1,0.6,1]);t=0:0.01:20;y=step(sys2,t);plot(t,y),grid;[ym,km]=max(y);line(t(km),ym,'marker','.',...'markeredgecolor','r','markersize',20);ystr=['ymax=',sprintf('%1.6g\',ym)];tstr=['tmax=',sprintf('%1.4g\',t(km))];text(t(km](/uploads/image/z/6920896-40-6.jpg?t=find%E5%87%BD%E6%95%B0+matlabsys2%3Dtf%28%5B1%5D%2C%5B1%2C0.6%2C1%5D%29%3Bt%3D0%3A0.01%3A20%3By%3Dstep%28sys2%2Ct%29%3Bplot%28t%2Cy%29%2Cgrid%3B%5Bym%2Ckm%5D%3Dmax%28y%29%3Bline%28t%28km%29%2Cym%2C%27marker%27%2C%27.%27%2C...%27markeredgecolor%27%2C%27r%27%2C%27markersize%27%2C20%29%3Bystr%3D%5B%27ymax%3D%27%2Csprintf%28%27%251.6g%5C%27%2Cym%29%5D%3Btstr%3D%5B%27tmax%3D%27%2Csprintf%28%27%251.4g%5C%27%2Ct%28km%29%29%5D%3Btext%28t%28km)
find函数 matlabsys2=tf([1],[1,0.6,1]);t=0:0.01:20;y=step(sys2,t);plot(t,y),grid;[ym,km]=max(y);line(t(km),ym,'marker','.',...'markeredgecolor','r','markersize',20);ystr=['ymax=',sprintf('%1.6g\',ym)];tstr=['tmax=',sprintf('%1.4g\',t(km))];text(t(km
find函数 matlab
sys2=tf([1],[1,0.6,1]);t=0:0.01:20;
y=step(sys2,t);plot(t,y),grid;
[ym,km]=max(y);
line(t(km),ym,'marker','.',...
'markeredgecolor','r','markersize',20);
ystr=['ymax=',sprintf('%1.6g\',ym)];
tstr=['tmax=',sprintf('%1.4g\',t(km))];
text(t(km),ym,{ystr;tstr});
ttt1=t(find(abs(y-1)>0.05));ts=max(ttt1);
ttt2=t(find(abs(y-1)=0));tr=min(ttt2);
hold on;
plot(ts,0.95,'bo','MarkerSize',10);
text(ts+1.5,0.95,['ts=',num2str(ts)]);
plot(tr,1,'bo','MarkerSize',10);
text(tr,1-0.1,['tr=',num2str(tr)]);
ttt2=t(find(abs(y-1)=0));tr=min(ttt2);
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Error:The expression to the left of the equals sign is not a valid target for an assignment.求大侠问题怎样改正,顺便怎样更好地求系统的上升时间.
find函数 matlabsys2=tf([1],[1,0.6,1]);t=0:0.01:20;y=step(sys2,t);plot(t,y),grid;[ym,km]=max(y);line(t(km),ym,'marker','.',...'markeredgecolor','r','markersize',20);ystr=['ymax=',sprintf('%1.6g\',ym)];tstr=['tmax=',sprintf('%1.4g\',t(km))];text(t(km
abs(y-1)==0而不是abs(y-1) = 0, 你这个是判断语句,不是赋值语句