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 November 1st, 2016, 11:51 AM #1 Senior Member   Joined: May 2012 Posts: 203 Thanks: 5 Numerical Hello, I want to solve an ode numerically, but, it has a complex number coefficient. How can I proceed?
 November 1st, 2016, 03:53 PM #2 Math Team   Joined: Jan 2015 From: Alabama Posts: 2,405 Thanks: 611 All of the standard numerical solver methods work perfectly well with complex numbers.
 November 7th, 2016, 10:46 AM #3 Senior Member   Joined: May 2012 Posts: 203 Thanks: 5 I have an ode that looks like this... Y"+(1/x)*Y'=(k+i*R)*Y where Y is a function of x, and R and K are real numbers and all x are real numbers (not complex) Y(0)=a, Y'(0)=b Is the general solution complex? I am looking for a real solution. What numerical method would you suggest me to use for this? Can you outline how you would solve this? Last edited by skipjack; November 8th, 2016 at 12:27 AM.
 November 8th, 2016, 12:41 AM #4 Global Moderator   Joined: Dec 2006 Posts: 16,928 Thanks: 1253 Unless R = 0, the only possible real solution is Y = 0 (provided that a = b = 0 as well).

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