var('x')
f=Piecewise([[(-infinity,0),(-x)^3], [(0,infinity),x^3]], x);
show(f)
for x in range(1,10):
    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-10.4-1-U (last edited 2010-12-18 07:07:18 by Jrachit)