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 Feb 6 awarded Popular Question Jul 2 awarded Curious Mar 7 asked Fourier series representation for $\sin(x/2)$ Mar 6 accepted finding local extrema Mar 6 comment finding local extrema Thanks for your response. So in terms of local extrema, $f(x)$ has a local minimum at $x=\left(\frac{1}{3}\right)^{2/5}$? Mar 6 asked finding local extrema Mar 5 accepted A Complex equality Mar 5 revised A Complex equality added 1 characters in body Mar 5 asked A Complex equality Feb 27 accepted Inverse of $e^{-x^2/2} + 2x$ Feb 26 awarded Commentator Feb 26 comment Inverse of $e^{-x^2/2} + 2x$ How did you get $f^{-1}(1)=0$? Was it by inspetion? Feb 26 comment Inverse of $e^{-x^2/2} + 2x$ Thanks very much Julien. Feb 26 comment Inverse of $e^{-x^2/2} + 2x$ Maybe, 'avoid' is the wrong word. I already did it using that approach. Perhaps I should have been clear in asking the question. Thanks again. Feb 26 comment Inverse of $e^{-x^2/2} + 2x$ I'm aware of the formula you've quoted. I wanted to avoid using it. Thanks though. Feb 26 asked Inverse of $e^{-x^2/2} + 2x$ Jan 31 accepted Green's function for $\frac{d^2}{dx^2} + \frac{1}{4}$ Jan 23 comment Green's function for $\frac{d^2}{dx^2} + \frac{1}{4}$ Thank you Fabian. Can the Green's function be found using Fourier transforms? Jan 23 awarded Student Jan 23 comment Green's function for $\frac{d^2}{dx^2} + \frac{1}{4}$ @Fabian: clearly I have messed up. can you help?