"ghasem " <email@example.com> wrote in message <firstname.lastname@example.org>... > > fsolve solve multi-dimensional real equation. > > > > If you want to adapt to nd-complex equation, consider splitting the real and imaginary part (for both argument and function value), and transform you problem in 2n-real equations. > > Bruno > ==================================== > thank you very much fro your attention... > How convert this equation to real and imaginary parts? > I can not,because I arguments of bessel functions are complex.foe example: > besseli(1,2+3*j) > how separate for real and imaginary parts? > ghasem
instead of z -> besseli(1,z)
consider (x,y) -> (real(besseli(1,z), imag(besseli(1,z))), where z = 1+1iy.
The later function is R^2 -> R^2, even intermediately it's a 1D complex function Z -> Z.