I am getting an error as like this also I attached my code below,
this value must be a function but has the form unitless mathcad.
Can someone say the answer to this.
Thanks in advance.
I've moved this to the MATHCAD Community.
an and bn need to be made functions of v.
n, in the ode solve block, needs to be a function of t.
Edited to add an extra comment in the attached workfile.