Casio ALGEBRA FX2.0 series Instrukcja Użytkownika Pobierz pdf (Strona 5)

2-2

Differential Equations of the First Order

Example To graph the solutions of the separable equation dy/dx = y

–1,

x0 = 0, y0 = {0, 1}, –5

< x

< 5, h = 0.1.

Use the following V-Window settings.

Xmin = –6.2, Xmax = 6.2, Xscale = 1

Ymin = –3.1, Ymax = 3.1, Yscale = 1

Procedure

1 m DIFF EQ

2 1(1st)b(Separ)

3bw

a-(Y)Mc-bw

4aw

!*( { )a,b!/( } )w

5 5(SET)b(Param)

6 -fw

7 a.bwi

8 5(SET)c(Output)4(INIT)i

9 !K(V-Window)

-g.cw

g.cw

bwc

-d.bw

d.bw

bwi

0 6(CALC)

Result Screen

# To graph a family of solutions, enter a list of

initial conditions.

(x0, y0) = (0,0)

(

x0, y0) = (0,1)

1 2 3 4 5 6 7 8 9 10 ... 21 22

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Casio ALGEBRA FX2.0 series Instrukcja Użytkownika Strona 5