Question: plot points in maple

hi

 

i write the following code

> restart;
>
nn:=2;
NB:=0.5;
Le:=2;
Pr:=2;
b:=13;

aa:=-0.2;
                              -0.2

for iu from 0 by 1 to 20 do
Nt:=aa+0.2;
sol := dsolve({diff(G(x), x, x)+Le*f(x)*(diff(G(x), x))+(Nt/NB)*diff(T(x), x, x) = 0,diff(f(x), x, x, x)+f(x)*(diff(f(x), x, x))-(2*nn)/(nn+1)*(diff(f(x), x))^2 = 0,diff(T(x), x, x)/Pr+f(x)*(diff(T(x), x))+NB*(diff(T(x), x))*(diff(G(x), x))+Nt*(diff(T(x), x))^2=0,G(0) = 1, G(b) = 0, T(0) = 1, T(b) = 0, f(0) = 0, (D(f))(0) = 1, (D(f))(b) = 0}, numeric);
gh[iu]:=-rhs(sol(0)[3]);
aa:=Nt;
od:

in the above code , the system of ode solve then G'(0) store in gh[iu]. i want to plot gh in terms of Nt. please help me

 

thancks

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