How to match two y axes of the yyaxis , so that their 0 points are aligned

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RITAM BASU 2022-10-21

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此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1832173-how-to-match-two-y-axes-of-the-yyaxis-so-that-their-0-points-are-aligned

评论： RITAM BASU 2022-10-21

采纳的回答： VBBV

Screenshot 2022-10-21 113225.png

在 MATLAB Online 中打开

Hello guys,

In the following code, I am trying to plot using yyaxis.. However, in the plot the 0 values of the y axis are offset. How can I make them aligned? I have attached a snapshot of the resulting plot.

Thanks in advance.. Have a nice day....

%%% Pedal torque and Motor Target torque
t_pedal = (Trip.Data.Signals(33).Time)' ;
T_pedal = (-Trip.Data.Signals(33).Value*(ampl_fac*4/12000))' ;
T_in = timeseries((T_pedal),(t_pedal));
figure (2)
yyaxis left
ax = gca;
ax.YLim = [-100 100];
plot(t_pedal,T_pedal,'y');
hold on
t_tar_mot = Trip.Data.Signals(9).Time ;
T_tar_mot = -(Trip.Data.Signals(9).Value) ;
plot(t_tar_mot,T_tar_mot);
ylabel ('Motor Torque [Nm]') 
xlabel('Time [s]')
% legend('pedal torque','motor torque')
% grid minor
%%% Cadence and velocity
t_cd = Trip.Data.Signals(32).Time ;
cd = Trip.Data.Signals(32).Value/30 ; 
CD_act = timeseries(cd,t_cd);
yyaxis right
ax2 = gca;
ax2.YLim = [-100 100];
plot (t_cd,cd,'b');
hold off
ylabel ('Cadence (rpm)')  
xlabel('Time [s]')
legend('pedal torque','motor target torque','cadence')

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Answer 1

VBBV 2022-10-21

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链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1832173-how-to-match-two-y-axes-of-the-yyaxis-so-that-their-0-points-are-aligned#answer_1080423

编辑：VBBV 2022-10-21

在 MATLAB Online 中打开

T_in = timeseries((T_pedal),(t_pedal));
figure (2)
yyaxis left
plot(t_pedal,T_pedal,'y');
hold on
t_tar_mot = Trip.Data.Signals(9).Time ;
T_tar_mot = -(Trip.Data.Signals(9).Value) ;
plot(t_tar_mot,T_tar_mot);
ax = gca;    % 
ax.YLim = [-100 100]; %