1 SISTEMAS DE ECUACIONES DIFERENCIALES ORDINARIAS
1 SISTEMAS DE ECUACIONES DIFERENCIALES ORDINARIAS
1 SISTEMAS DE ECUACIONES DIFERENCIALES ORDINARIAS
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ITERACIÓN 1<br />
k 1 = f (t 0 , x 0 , y 0 ) = f (0, -1, 6) = 2(-1) + 4(6) = 22<br />
m 1 = g (t 0 , x 0 , y 0 ) = g (0; -1; 6) = -(-1) + 6(6) = 37<br />
h h<br />
k 2<br />
= f (t 0<br />
+ , x 0 + k 1 , y 0 + hm 1 ) = f(0.1;1.2;9.7)= 41.2<br />
2 2<br />
h h<br />
2<br />
m 2<br />
= g (t 0<br />
+ , x 0 + k 1 , y 0 + h m 1 ) = g(0.1;1.2;9.7)= 57<br />
2 2<br />
2<br />
k 3<br />
= f (t 0<br />
+<br />
h<br />
, x 0 +<br />
h<br />
k 1 , y 0 + hm 1 ) = f(0.1;3.12; 11.7 )= 53.04<br />
2 2<br />
2<br />
m 3<br />
= g (t 0<br />
+<br />
h<br />
, x 0 +<br />
h<br />
k 1 , y 0 + h m 1 ) = g(0.1;3.12; 11.7 )= 67.08<br />
2 2<br />
2<br />
k 4<br />
= f (t 0<br />
+ h , x 0 + h k 1 , y 0 + h m 1 ) = f(0.2; 9.608; 19.416 )= 96.88<br />
m 4<br />
= g (t 0<br />
+ h , x 0 + h k 1 , y 0 + h m 1 ) = g(0.2; 9.608; 19.416 )= 104.08<br />
h<br />
x 1<br />
= x 0<br />
+ (k 1 + 2k 2 +2k 3 + k 4 )= 9.2453<br />
6<br />
h<br />
y 1<br />
= y 0<br />
+ (m 1 + 2m 2 +2m 3 + m 4 )= 18.9747<br />
6<br />
t 1 = t 0 + h = 0+0.2=0.2<br />
9<br />
Así sucesivamente, obtenemos la tabla siguiente:<br />
t<br />
x n<br />
y n<br />
0<br />
-1.0<br />
6.0<br />
0.2<br />
k 1<br />
=22<br />
m 1<br />
=37<br />
k 2<br />
=41.2<br />
m 2<br />
=57<br />
k 3<br />
=10.6080<br />
m 3<br />
=13.4160<br />
k 4<br />
=19.3760<br />
m 4<br />
=21.3776<br />
9.2453<br />
18.9747<br />
0.4<br />
k 1<br />
=94.3894<br />
m 1<br />
=104.6029<br />
k 2<br />
=155.1084<br />
m 2<br />
=157.9257<br />
k 3<br />
=188.5814<br />
m 3<br />
=183.8475<br />
k 4<br />
=316.8999<br />
m 4<br />
=288.4504<br />
45.8676<br />
54.8614<br />
0.6<br />
k 1<br />
=311.1808<br />
m 1<br />
=283.3008<br />
k 2<br />
=486.7373<br />
m 2<br />
=422.1632<br />
k 3<br />
=577.3935<br />
m 3<br />
=487.9250<br />
k 4<br />
=932.4782<br />
m 4<br />
=771.2258<br />
158.2650<br />
150.6848<br />
10<br />
5