Texas Instruments Voyage 200, User Manual

Page: 677 / 1008

Numeric Solver 677
Selecting a New Initial Guess from the Graph Selecting a New Initial Guess from the Graph Selecting a New Initial Guess from the Graph Selecting a New Initial Guess from the Graph
To use the graph cursor to select an initial guess:
1. Move the cursor (either free-moving or trace) to the point that you want to use as the
new guess.
Returning to a Full Screen Returning to a Full Screen Returning to a Full Screen Returning to a Full Screen
From the split screen:
• To display the Numeric Solver full screen, use
2 a
to make the solver screen
active, press
…
, and then select
2:Clear Graph View
.
– or –
• To display the Home screen, press
2 K
twice.
2. Use
2 a
to make the Numeric
Solver screen active.
3. Make sure the cursor is on the
unknown variable, and press
†
.
Note:
Cursor coordinate xc is the
unknown variable value, and yc is the
left
N
rt value.
4. Press
„
to re-solve the equation.
†
sets the graph
cursor’s xc value as
an initial guess and
the yc value as left
N
rt.
The graph’s xmin and
xmax values are set
as the bounds.