what is the error ?

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shamsa khalid
shamsa khalid 2021-3-8
评论： shamsa khalid 2021-3-9
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James Tursa
James Tursa 2021-3-8
Please post your code as regular text highlighted by the CODE button. We can't copy & run images.
shamsa khalid
shamsa khalid 2021-3-9
syms t
f=@(t)t^2
g=@(t)5*t-1
h=@(t)2*t^3-t
r=[f(t) g(t) h(t)]
dr = diff(r,t);
T=dr/norm(dr);
dT=diff(T,t);
k=norm(dT)/norm(dr);
k=subs(k,1);
disp('Curvature at t=1;'),disp(k)
disp('Or,approximately;'),disp(double(k))

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