var('x')
f=Piecewise([[(-pi,0),sin(5*(-x))], [(0,pi),sin(5*x)]], x);show(f)
for x in range(1,pi):
    if f(x)==f(-x):
        print "even function"
        break
    elif f(x)==-f(-x):
        print "odd function"
        break
    else:
        print "neither odd nor even"
        break

Kreyszig-10.4-6-U (last edited 2010-12-18 07:19:52 by Jrachit)