Phase space portrait of a
Duffing oscillator
. Horizontal axis is
x
(
t
) and vertical axis is
x
'(
t
). The gridline spacing is 0.25 unit.
x
'' +
d
x
' + b
x
+ a
x
3
=
f
sin(
w
t
)
turbo
Duffing oscillator
by
dllu
(
email
).