I tried
sage: A=matrix([[1,1],[2,3]]) sage: A.eigenvalues() [0.2679491924311228?, 3.732050807568878?] My question is why the last digit before ? in 0.2679491924311228? is '8'? Shouldn't it be "7" according to sage: ch=characteristic_polynomial(A) sage: solve(ch(x)==0,x) [x == 2 - sqrt(3), x == sqrt(3) + 2] sage: N(2-sqrt(3), digits=18) 0.267949192431122706 --~--~---------~--~----~------------~-------~--~----~ To post to this group, send email to sage-support@googlegroups.com To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/sage-support URLs: http://www.sagemath.org -~----------~----~----~----~------~----~------~--~---
