Changing annotation size or font

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Nadine Nassar
Nadine Nassar 2020-11-15
评论： Mario Malic 2020-11-15
Hello,
I'm having trouble fixing the annotations on my graph. For the annotations at the throat and exit, the value isn't that clear. Is there any reason why it's like this, and if I can change it so it's more clear? I've attached the code and a picture of my plot.
Thanks in advance
plot(i,r1(l), '.b'); hold on
plot(i,r2(l),'.b'); hold on
yline(0,'-.k');
xline(0,'-.r');
xline(-L/2,'-.r');
xline(L,'-.r');
title ('Plot of Nozzle Shape');
xlabel('Axial distance from the throat (mm)');
ylabel('Radius (mm)');
txt1 = ['Throat, d=' num2str(2*min(r1)) 'mm'];
text(0,1,txt1);
txt2 = ['Inlet, d=' num2str(2*r1(1)) 'mm'];
text(-L/2,1,txt2);
txt3 = ['Exit, d=' num2str(2*r1(end)) 'mm'];
text(0.85*L,1,txt3)

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Mario Malic
Mario Malic 2020-11-15
Is your piece of code in for loop?
Guessing that r1(1) and r1(end) are changing and there are many different texts on top of each other.
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Nadine Nassar
Nadine Nassar 2020-11-15
Okay, i'll change it. I also tried your suggestion of not using a for loop and I got the same results, and realised the computational time was much faster this time. The text on the plot is also fixed now.
Thanks a lot for yor help

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