Cant make certain changes to plot

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jrz
jrz on 14 Sep 2022
Commented: jrz on 14 Sep 2022
Im trying to change the axis font size, remove the fill of the airfoil shape and increase the linewidth on this plot but for some reason the standrd commmands arent working. Would appreciate some help
figure(1)
hold on
grid on
grid minor
contour(real(z),imag(z),imag(f),[-5:.2:5])
plot(real(z_circle),imag(z_circle),'b')
axis equal
axis([-5 5 -5 5])
hold on
contour(real(J),imag(J),imag(f),[-5:.2:5])
fill(real(z_airfoil),imag(z_airfoil),'w')
axis equal
axis([-5 5 -5 5])
ax.FontSize = 20;
xlabel('Real (x)');
ylabel('Imaginary (y)');
box on
set(gca,'GridLineStyle','-')
set(gca,'MinorGridLineStyle','-')
set(gca,'GridColor','k')
set(gca,'MinorGridColor','k')
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