> I still don't understand exactly your proposal. We've played with a > few ideas above, in particular we have considered at least (below d/dz > is the Wirtinger derivative, d/dx and d/d(iy) are partial derivatives > with respect to "x" or "iy" in z=x+i*y) : > > 1) d/dz > 2) d/dz + d/d conjugate(z) = d/dx > 3) d/dz - d/d conjugate(z) = d/d(iy) > 4) 2 * (d/dz + d/d conjugate(z)) > 5) 2 * d/dz > > Which of these do you propose to use? For analytic functions, only 1) > and 2) reduce to the usual complex derivative. 4) and 5) will be off > by a factor of 2. For example, for a function z^2 we get:
Correction: For analytic functions, only 1), 2) and 3) reduce to the usual complex derivative. (As is shown below on particular examples.) -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To post to this group, send email to sage-devel@googlegroups.com. Visit this group at http://groups.google.com/group/sage-devel. For more options, visit https://groups.google.com/d/optout.
