redtree Messages 335 Reaction score 15 Thread starter Jan 3, 2016 #1 This is NOT a homework question. I am having trouble solving the following differential equation to solve for A[r]: Any suggestions?
This is NOT a homework question. I am having trouble solving the following differential equation to solve for A[r]: Any suggestions?
fresh_42 Staff Emeritus Science Advisor Homework Helper Insights Author 2025 Award Messages 20,819 Reaction score 28,466 Jan 3, 2016 #2 As far as I can see it is a Bernoulli differential equation of the form ##A'(r) = p(r) A^2(r) + q(r) A(r)## with rational functions ##p(r)## and ##q(r)##. The substitution ##B(r) = A^{-1}(r)## delivers then the LDE ##B' = -p-q B##.
As far as I can see it is a Bernoulli differential equation of the form ##A'(r) = p(r) A^2(r) + q(r) A(r)## with rational functions ##p(r)## and ##q(r)##. The substitution ##B(r) = A^{-1}(r)## delivers then the LDE ##B' = -p-q B##.