User manual - Chapter 3 Differential Equations

20010101
3-2-7
Differential Equations of the First Order
k Others
To solve a general differential equation of the first order, simply input the equation and
specify the initial values. Use the same procedures as those described above for typical
differential equations of the first order.
dy/dx = f(x, y)
Set Up
1. From the Main Menu, enter the DIFF EQ Mode.
Execution
2. Press 1(1st) to display the menu of differential equations of the first order, and then
select e(Others).
3. Specify f(x, y).
4. Specify the initial value for x0, y0.
5. Press 5(SET)b(Param).
6. Specify the calculation range.
7. Specify the step size for h.
8. Press 5(SET)c(Output).
Select the variable you want to graph, and then select a list for storage of the
calculation results.
9. Make V-Window settings.
10. Press 6(CALC) to solve the differential equation.