- #1
sam2
- 22
- 0
Hi,
I have never had to handle ODEs where the coefficients are complex. Just wondering if solving this is even possible and whether you can point me to any sources/books.
Say I had the ODE
(df/dx) + a.f^2 + (b+i)f + c = 0
where f(x) is a function of x, a, b and c are constants, and i =sqrt(-1). Clearly if 'i' didnt feature then I could solve this quite easily and depending on the values of a, b and c this might be a logarithm or trig function. But in the presence of 'i' how do I solve this? How do I determine if I need to use the trig substitution or whether it is a logarithmic solution. Is it enough to just consider the real part of the complex coefficient and proceed in this way?
Thanks,
I have never had to handle ODEs where the coefficients are complex. Just wondering if solving this is even possible and whether you can point me to any sources/books.
Say I had the ODE
(df/dx) + a.f^2 + (b+i)f + c = 0
where f(x) is a function of x, a, b and c are constants, and i =sqrt(-1). Clearly if 'i' didnt feature then I could solve this quite easily and depending on the values of a, b and c this might be a logarithm or trig function. But in the presence of 'i' how do I solve this? How do I determine if I need to use the trig substitution or whether it is a logarithmic solution. Is it enough to just consider the real part of the complex coefficient and proceed in this way?
Thanks,