Casio ClassPad II fx-CP400 Examples - Manual (Page 19)

Chapter 5: Differential Equation Graph Application 19
Chapter 5:
Differential Equation Graph Application
0501
1. On the Differential Equation Editor window, tap [Type] - [1st (Slope Field)] or
A.
2. Y{c-Xw 3. Tap
O to draw the slope field.
4. Tap 6, and configure the View Window settings
as shown below.
5. Tap [OK].
This updates the slope field in accordance with the
new View Window settings.
0502
1. Activate the Differential Equation Editor window and then tap the [IC] tab.
• This displays the initial condition editor.
2. On the initial condition editor, input the following initial conditions:
( xi , yi ) = (0, 0), (0, 0.5), (0, 1).
3. Tap O.
• This graphs the three solution curves over the slope field of y ’ = y 2 – x .
LY777Ex_E.indb 19 13/02/25 11:23