{{{#x^2y" - 2.5xy' - 2.0y=0 var('f, m') f = m**2 - 3.5*m - 2.0 print f

var('m1, m2, y1, y2, c1, c2') m1,m2=solve(f==0, m) print m1,m2

y1 = x**m1 y2 = x**m2 print y1,y2

y = c1*y1 + c2*y2 print y }}}

SageDays/Kreyszig-Example-3 (last edited 2010-12-16 12:18:30 by 172)