trying to fit the curve on my graph so that it is rounded not sharp. Thank you.
figure(2);
plot(q_0,'ko-','Linewidth',1.5)
hold on
plot(q_1,'rs-','Linewidth',1.5)
plot(q_2,'bd-','Linewidth',1.5)
plot(q_3,'gv-','Linewidth',1.5)
hold off
xlim([1 13])
fit
legend({'Q0','Q1','Q2','Q3'})
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