How to remove the number caused by 'grid on' and How to change the legend mark
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I want to draw the pole-zero map of the specific system. This is my code:
-------------
close all;
clear;
clc;
w0=300;
l1=2*w0;
l2=w0^2;
k=60;
s=tf('s');
r=[0.9,1.2,1.3,1.4,1.8,2.5,3.5];
H=figure;
for i=1:7
transfer_function=k*(s^2+l1*s+l2)/(r(i)*s^3+r(i)*(l1+k)*s^2+(k*l1+l2)*s+k*l2);
pzmap(transfer_function)
hold on;
end
s=findobj(gcf,'Type','Axes');
title('');
set(s,'XLim',[-300,0],'YLim',[-60,60],'XColor',[0,0,0],'YColor',[0,0,0],'XGrid','off','YGrid','off','GridLineStyle','--','YTick',[-60 -40 -20 0 20 40 60]);
set(s.XLabel,'FontSize',12,'FontName','TimesNewRoman');
set(s.YLabel,'FontSize',12,'FontName','TimesNewRoman');
linewidth=1.5;
set(s.Children(1).Children(1),'LineWidth',linewidth,'Color','#ESAD00');
set(s.Children(1).Children(2),'LineWidth',linewidth,'Color','#7C6FAF');
set(s.Children(2).Children(2),'LineWidth',linewidth,'Color','#AA7816');
set(s.Children(3).Children(2),'LineWidth',linewidth,'Color','#EE6C1B');
set(s.Children(4).Children(2),'LineWidth',linewidth,'Color','#E02F12');
set(s.Children(5).Children(2),'LineWidth',linewidth,'Color','#75AB43');
set(s.Children(6).Children(2),'LineWidth',linewidth,'Color','#238392');
set(s.Children(7).Children(2),'LineWidth',linewidth,'Color','#0728E4');
grid on;
legend('r=3.5','r=2.5','r=1.8','r=1.4','r=1.3','r=1.2','r=0.9');
------------
I tried to usd 'pzmap' and 'pzplot' to draw the graph, and once the 'grid on' and 'legend' are used. The grid and the number which is undired, look this picture. And the legend is linear which is not 'x'.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1739636/image.png)
I want to draw a graph like this:
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/1739641/image.png)
How should I do?
1 个评论
Walter Roberson
2024-7-23
Fixing the 'ES' to 'E5'...
close all;
clear;
clc;
w0=300;
l1=2*w0;
l2=w0^2;
k=60;
s=tf('s');
r=[0.9,1.2,1.3,1.4,1.8,2.5,3.5];
H=figure;
for i=1:7
transfer_function=k*(s^2+l1*s+l2)/(r(i)*s^3+r(i)*(l1+k)*s^2+(k*l1+l2)*s+k*l2);
pzmap(transfer_function)
hold on;
end
s=findobj(gcf,'Type','Axes');
title('');
set(s,'XLim',[-300,0],'YLim',[-60,60],'XColor',[0,0,0],'YColor',[0,0,0],'XGrid','off','YGrid','off','GridLineStyle','--','YTick',[-60 -40 -20 0 20 40 60]);
set(s.XLabel,'FontSize',12,'FontName','TimesNewRoman');
set(s.YLabel,'FontSize',12,'FontName','TimesNewRoman');
linewidth=1.5;
set(s.Children(1).Children(1),'LineWidth',linewidth,'Color','#E5AD00');
set(s.Children(1).Children(2),'LineWidth',linewidth,'Color','#7C6FAF');
set(s.Children(2).Children(2),'LineWidth',linewidth,'Color','#AA7816');
set(s.Children(3).Children(2),'LineWidth',linewidth,'Color','#EE6C1B');
set(s.Children(4).Children(2),'LineWidth',linewidth,'Color','#E02F12');
set(s.Children(5).Children(2),'LineWidth',linewidth,'Color','#75AB43');
set(s.Children(6).Children(2),'LineWidth',linewidth,'Color','#238392');
set(s.Children(7).Children(2),'LineWidth',linewidth,'Color','#0728E4');
grid on;
legend('r=3.5','r=2.5','r=1.8','r=1.4','r=1.3','r=1.2','r=0.9');
回答(1 个)
Voss
2024-7-23
编辑:Voss
2024-7-23
w0=300;
l1=2*w0;
l2=w0^2;
k=60;
s=tf('s');
r=[0.9,1.2,1.3,1.4,1.8,2.5,3.5];
H=figure;
for i=1:numel(r)
transfer_function=k*(s^2+l1*s+l2)/(r(i)*s^3+r(i)*(l1+k)*s^2+(k*l1+l2)*s+k*l2);
pzmap(transfer_function)
hold on;
end
s=findobj(gcf,'Type','Axes');
title(s,'');
set(s,'XLim',[-300,0],'YLim',[-60,60],'XColor',[0,0,0],'YColor',[0,0,0],'GridLineStyle','--','YTick',[-60 -40 -20 0 20 40 60]);
set(s.XLabel,'FontSize',12,'FontName','TimesNewRoman');
set(s.YLabel,'FontSize',12,'FontName','TimesNewRoman');
grid(s,'on');
delete(findall(s,'Type','text'))
h = [s.Children(1).Children(1); arrayfun(@(x)x.Children(2),s.Children(1:numel(r)))];
linewidth=1.5;
set(h,'LineWidth',linewidth,{'Color'},{'#E5AD00';'#7C6FAF';'#AA7816';'#EE6C1B';'#E02F12';'#75AB43';'#238392';'#0728E4'})
legend(h(end:-1:2),"r="+r,'Location','northwest');
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