User manual - Chapter 3 Differential Equations

20010101
3-2-1
Differential Equations of the First Order
3-2 Differential Equations of the First Order
k Separable Equation
Description
To solve a separable equation, simply input the equation and specify the initial values.
dy/dx = f(x)g(y)
Set Up
1. From the Main Menu, enter the DIFF EQ Mode.
Execution
2. Press 1(1st) to display the menu of first order differential equations, and then select
b(Separ).
3. Specify f(x) and g(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.