Texas Instruments TITANIUM TI-89 - Manual (Page 426)

Differential Equation Graphing 426
d) On the left side of the equation,
substitute for the derivative value as
shown below.
In place of: Substitute:
y
y'
y''
y'''
y(4)
©
y1
y2
y3
y4
y5
©
y'' = e
t
N y2 N y1
Do not substitute
on the left side at
this time.
In place of: Substitute:
y’
y'’
y''’
y(4)
©
y1’
y2’
y3’
y4’
©
y2' = e
t
N y2 N y1