System of two ordinary differential equation of different order

[-MFra-]

Hello everyone!
is there anyone who can solve this system of two differential equations of different order, with the use of odesolve? the initial conditions are taken at random.

Thank you very much

FM

[Fred_Kohlhepp · Accepted solution]

Sure:

[Werner_E]

You typed y'.1 but should have typed y.1'

The latter looks ugly because the prime symbol is in the subscript, but its the correct syntax.

So either avoid indexed function names like Fred did or use the derivation operator d/dx

[-MFra-]

Thank you very much Werner!

... I said it, that I was lost in a glass of water !....

[-MFra-]

Thank you very much Fred!

... I said it, that I was lost in a glass of water !....