| |
| Example: Find y(1) with stepsize, h = 0.5 for:
y ′ = x – y, y(0) = 1. |
| Steps |
Key Sequence |
Screens |
| 1. Graph Slope Field |
|
 |
| 2. Graph Solution Curve |
|
 |
| 3. Change the Stepsize |
Press Diamond key, then F2 key (for WINDOW) |
 |
| |
Press down arrow (to tstep=) |
 |
| |
Press 0.5, then ENTER key |
 |
| 4. Graph Solution Curve |
Press DIAMOND key, then F3 key |
|
| 5. Find y(1) |
Press F3 key (for Trace) |
 |
| |
Press 1, then ENTER (to input t = 1) |
 |
| Note 1: The solution is at the bottom of the screen y(1) = 0.5. |
| Note 2: You can also scroll to right to find y(1.5), y(2), etc.
and you can scroll to the left to find y(0.5), y(0), y(–0.5), etc. |
| Note 3: You can also use the TABLE to find y(1.5), y(2),
y(0.5), y(0), y(–0.5), etc. |