Hi,

I'm trying to solve this system of differential equation, coming from the iterative process of the Elastic Curve's  solution.

The problem is that Maple returns:

risultato12 := NULL

EDIT: i think the problem is related to the non-linear equations in the system.

Any suggestion?

Here is the file

https://1drv.ms/u/s!AuhHGe410qgOm1_PdEDqkO4J1YYp