5-39
k Modify Function Operations
u To modify a graph in the Graph mode
1. From the Main Menu, enter the Graph mode.
2. On the Setup screen, change the “Dual Screen” setting to “Off”.
3. Configure V-Window settings.
4. Specify the function type and enter a function that contains variables.
• In addition to manual input, you also can input expression containing variables using the
built-in function type list that appears when you press 4(TOOL)3(BUILT-IN). The
content of the built-in function type list is the same as that in the Dyna Graph mode (page
5-
42).
5. Press 5(MODIFY) to execute the Modify function.
• This will draw the graph function you entered in step 4.
6. Use f and c
to select Step (which will change its color to magenta) and then use the
number keys to enter a step value.
7. Use f and c to select the variable you want to modify.
8. Use d and e to change the selected variable value by the unit specified by the step
setting.
• You also can enter the variable value directly.
9. To exit the Modify operation, press J.
Example To register the graph expression
y = x
2
− Ax (A initial value = 0) and
specify a step of 0.5, and then observe changes in the graph as the
value of A changes from 0.5 to 2. Next, enter a value of −2 for the value
of A and observe how the graph changes. Use initialized (INITIAL) V-
Window settings.
1 m Graph
2 !m(SET UP)cccc3(Off)J
3 !3(V-WIN)1(INITIAL)J
4 3(TYPE)1(Y=)vx-av(A)vw
5 5(MODIFY)
6 ca.fw
7 f
8 eeee
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