I am sure this question has been asked 1 million times, I tried to look up the forum, but I still cannot spot my error.
I was practicing the odesolve function...but I do not know what mistake I made...
1st file is just a copy of a mathcad file posted by valery. I just put in everything again and see if I understand the logic...but then I have an error of
This value must be a function, but has the form: Unitless.
2nd file is just 1 ode, but it says I have to many initial condition, when I delete one it says variable not defined.
Please help