While solving boundary value problems (using bvp4c) the graph is plotted as the command ""plot (x,BS(1,:))"" but if I want the graph between x and y and not x and boundary solution (BS) what should I do ?
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Aryaman Patel
le 13 Juil 2019
Réponse apportée : infinity
le 14 Juil 2019
This is the matlab script :
init = bvpinit(linspace(-1,1,20),[0 0]);
sol=bvp4c(@rhs_bvp,@bc_bvp,init);
x = linspace(-1,1,20);
BS=deval(sol,x);
plot(x,BS(1,:));
I do not understand the purpose of deval, also the graph i want to plot is between x and y not x and boundary solutions (bs).
How can i do that ?
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infinity
le 14 Juil 2019
Hello,
You might simply plot x and y like this
plot(sol.x, sol.y, '-o')
Several examples of how to use bvp4 and deval can be seen here
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