ASKSAGE: Sage Q&A Forum - RSS feedhttps://ask.sagemath.org/questions/Q&A Forum for SageenCopyright Sage, 2010. Some rights reserved under creative commons license.Sat, 30 Jan 2016 17:43:43 +0100fractional exponents error: "negative number to a fractional power not real"https://ask.sagemath.org/question/32385/fractional-exponents-error-negative-number-to-a-fractional-power-not-real/ Hi. I'm having a problem with fractional exponents and higher order roots in sage.
If I put `(-2)** (6/2), sqrt((-2)** 6)`, the result is `(-8, 8)`. That's wrong, since `sqrt[ (-2)**6 ] = (-2) * (-2) * (-2) = -8`. Does anyone know why this is happening, please?
I need to plot a function like `V(x) = x^[ (2n+1)/n ]`, where n is interger. However, sage returns the error 'negative number to a fractional power not real' and plot only the positive branch.DiegoQuanticoSat, 30 Jan 2016 17:43:43 +0100https://ask.sagemath.org/question/32385/