#Plotting the function
#It can be seen from the figure that function is even in the given interval
x=var('x')
f=function('f',x)
f=exp(-(abs(x)))
f.plot(xmin=-pi,xmax=pi)

SageDays/Kreyszig-10.4-5 (last edited 2010-08-12 13:55:45 by Aashita)