### note:

It is convenient to view
"*point* in the complex frequency plane: the
*s-plane*.

such that

Plot

What about if
σ < 0
σ
0
?
What will
i
f
t
f
t
look like?

See the applets and VIs!

It is convenient to view
"*point* in the complex frequency plane: the
*s-plane*.