分享常微分数值求解算法，显式4阶龙格-库塔算法。

Colbie

8 V' o, Q' W3 ?
3 v9 r6 b$ X+ U; R3 P# h分享常微分数值求解算法，显式4阶龙格-库塔算法。
. C! G3 a1 G% z" v( a+ TFourth Order Runge-Kutta Method for Ordinary Differential
Equation using Matlab Basic Codes
4 t7 M0 h' S- y& Z1 J, r  {Question: Use Runge-Kutta method for systems to solve the following
systems and draw their state paths in the state space of (x,y):
(a) Solve with x(0)=4 and y(0)=1 over [0,8]
) |9 {& `& A2 N1 D8 x: c) pusing h=0.1.
" S; n1 k# }2 a7 r9 }$ }) z0 w8 a8 DSolution: Using the following program, we can apply fourth order
Runge-Kutta method for this problem.
7 C. g  x' _8 c. [6 g) z  E# M, V; z

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hope123

常微分数值求解算法，这个算法不错。

momone

看看楼主分享的库塔算法。