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# simhwk10 - Estudiante Vctor Gonzlez Matrcula 805386...

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Estudiante: Víctor González Matrícula: 805386 Problema - Recorrido de los satélites alrededor de la Tierra El código utilizado fue el descrito en el libro de texto con algunas modificaciones: clear, clf global G Me Re G=6.67e-11;Me=5.97e24;Re=64e5; [email protected](t,x) df_sat(t,x); t0 = 0; T = 24*60*60; tf = T; N = 2000; R=4.223e7; v20s = [3071 3500 2000]; for iter = 1:length(v20s) x10 = R; x20 = 0; v10 = 0; v20 = v20s(iter); x0 = [x10 x20 v10 v20]; tol = 1e-6; %PARTE 'A' [tR,xR] = ode_RK4(f,[t0 tf],x0,N); [t45,x45] = ode45(f,[t0 tf],x0,N); [t23s,x23s] = ode23s(f,[t0 tf],x0,N); figure(1) plot(xR(:,1),xR(:,2), '-b' ,x45(:,1),x45(:,2), 'k.' , x23s(:,1),x23s(:,2), 'rx' ) legend( 'ode-RK4' , 'ode45' , 'ode23s' ) hold on %PARTE 'B', VALOR DE TOLERANCIA: 1E-6 figure(2) [t45,x45] = ode45(f,[t0 tf],x0,odeset( 'RelTol' ,tol)); [t23s,x23s] = ode23s(f,[t0

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simhwk10 - Estudiante Vctor Gonzlez Matrcula 805386...

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