Change the output Y-labels in a figure of a multi-output dynamic system

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thomas michiels
thomas michiels 2018-12-15
评论： maffew 2020-2-29
Vraag 3a versie 1.jpg
I don't know how I can change the names of the Y-labels out(1), out(2), out(3) and out(4) in this multiplot figure...
  1 个评论
maffew
maffew 2020-2-29
You could either throw these into multiple plots with step(sys(1))
OR
You could use subplots. For example,
figure
subplot(2,1,1)
step(sys(1))
ylabel('Output 1')
subplot(2,1,2)
step(sys(2))
ylabel('Output 2')
Unfortunately, you lose the larger label. There's a number of options for that. Looks like someone made a thing, https://www.mathworks.com/matlabcentral/fileexchange/7772-suplabel

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回答（1 个）

madhan ravi
madhan ravi 2018-12-15
编辑：madhan ravi 2018-12-15
ylabel(...) after each subplot
  1 个评论
thomas michiels
thomas michiels 2018-12-15
编辑：thomas michiels 2018-12-15
That is what I would normally do, but I came to this figure as the 4-way output of a dynamic system with the following code:
f=1200;
A=[0 1 0 0;-k/m1 -(b+c)/m1 k/m1 c/m1;0 0 0 1;k/m2 c/m2 -k/m2 -c/m2];
B=[0;f/m1;0;0];
C=[1 0 0 0;0 1 0 0;0 0 1 0;0 0 0 1];
D=[0;0;0;0];
sys=ss(A,B,C,D);
figure(1)
t1=0:1:900;
step(sys,t1);
[y,t1]=step(sys,t1);
So the subplots are not defined in my previous code.

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