What is the script to plot the following function in MatLab? (I don't have syms function, those are ln(r) in function)

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Benjamin Shaw
Benjamin Shaw 2022-12-10
回答： Voss 2022-12-10

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Voss
Voss 2022-12-10
Ran in:
% One way
f = @(r)0.25*r.^2 - 1.821*log(r) + 0.249 + 0.455*log(r) - 0.5;
fplot(f);
% Another way
r = 0.05:0.001:5;
y = 0.25*r.^2 - 1.821*log(r) + 0.249 + 0.455*log(r) - 0.5;
plot(r,y)

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