COMPARING THE FOURIER AND LAPLACE TRANSFORMS
It isworthwhile to take some moments to compare the Laplace and Fourier
transforms. The following similarities and differences should be noted:
1. The Laplace transform defined in Chapter 14 is one-sided in
that the integral is over 0 < t < ∞, making it only useful for
positive-time functions, f (t), t > 0. The Fourier transform is
applicable to functions defined for all time.