其余结果如下: n Xn k1 k2 k3 n 100000.10001.00001.10251.25551.1111 2.00000.20001.23451.37551.59451.2499 3.00000.30001.56241.7637209221.4284 4.00000.40002.04042.34232.86581.6664 5.00000.50002.77683.25874.163419993 (2)如果使用四阶RK方法(10) n=时K1=y2 0.1 K K1)2=1.1025其余结果如下: (2) 如果使用四阶R-K方法(10) n = 1时 2 1 0 K = y = 1 2 2 0 1 ) 2 0.1 K = ( y + K = 1.1025 n xn k1 k2 k3 yn 1.0000 0.1000 1.0000 1.1025 1.2555 1.1111 2.0000 0.2000 1.2345 1.3755 1.5945 1.2499 3.0000 0.3000 1.5624 1.7637 2.0922 1.4284 4.0000 0.4000 2.0404 2.3423 2.8658 1.6664 5.0000 0.5000 2.7768 3.2587 4.1634 1.9993