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Greetings, I want to plot a figure with two y-axis but I get the undefined function for the yyaxis right command

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Misi
Misi 2022-10-28
评论： Misi 2022-10-28
figure (1)
subplot(2,2,3)
E1=74e5;
Lz=3.5e-3:0.1e-3:8e-3;
d=10e-2;
IF=1/64*(pi*d^4);
Kz=2*1.8;
E=31;
h=0.16;
b=8.5;
n=1;
Pf=E1*IF*(n.*pi./Lz).^2+(Kz);
R=E*h*b./(2.*Pf);
yyaxis left
plot(Lz,R)
%hold on
Kz=2*3e4;
Pf=E1*IF*(n.*pi./Lz).^2+(Kz);
P=Pf*(1+Kz./(Ef.*0.6));
R=E*h*b./(2.*Pf);
yyaxis right
plot(Lz,R)

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回答（1 个）

Steven Lord
Steven Lord 2022-10-28
According to the yyaxis function documentation page, this function was "Introduced in R2016a". Which release are you using? If you're using a release prior to R2016a you'll need to upgrade to use this function.

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