Texas Instruments TI-89 Manuale Utente
Differential Equation Graphing
449
Fields=SLPFLD
Fields=SLPFLD
Fields=SLPFLD
Fields=SLPFLD
In the
Y= Editor
Y= Editor
Use
†
to select one and only one 1st-order equation. You
can enter mulNotele equations, but only one at a time can be
selected.
The selected equation must not refer to any other equation in
the Y= Editor. For example:
If y1'=y2, an Undefined variable error occurs when you graph.
selected.
The selected equation must not refer to any other equation in
the Y= Editor. For example:
If y1'=y2, an Undefined variable error occurs when you graph.
In the Graph
screen
screen
If the slope field is drawn but no solution curve is plotted,
specify an initial condition.
specify an initial condition.