0 个投票

Hi, I am integrating a differential equation using the code attached in the image.While i am executing my code i am getting the following error message,Can anyone help me with this.
??? Error using ==> feval
Argument must contain a string or function_handle.
Error in ==> rk4 at 21
k1 = h*feval(f,xo,u);

请先登录，再回答此问题。

 采纳的回答

Titus Edelhofer
Titus Edelhofer 2015-3-23

0 个投票

Hi,
the error tells you, that the first argument to call rk4 should be a function that can be called, so either the name as a string (of a .m file), or a function handle.
Titus

更多回答（0 个）

类别

在 帮助中心 和 File Exchange 中查找有关 Programming 的更多信息

标签

Community Treasure Hunt

Find the treasures in MATLAB Central and discover how the community can help you!

Start Hunting!

Translated by