
Special Notes
■ Algebraic expressions should be entered in complex form, ' < F« G ) ' ,
where F and G are each expressions involving the independent
variable.
m Programs should take nothing from the stack and return one
complex number result.
Examples
Example 1: Display the parametric example plot, LISSA:
x(t) = 3sin3t, i/(i) = 2 sin 41. If necessary, type in TEFiCH
to install the EXAMPLES directorv then:
fwlRl ExflM PL
a—iSaiiiinviiimit
23
After plotting, press [CANCEL) fr^fPLOT) to review the PLOT forms
that generated the plot. Experiment by changing values or settings
and redrawing the plot.
Example 2: Do the two particles described below parametrically
actually collide between 1 = 0 and 1 = 6.5 or do their
path traces merely cross?
Particle 1: x(t) = — |l, y{t) = 41 — 5.
Particle 2: x{l) = 2 sin 1^1, y{t) = —3cos fl.
Step 1: In the Parametric PLOT form, enter a list containing the
two parametric expressions into EQ
C ' < 16 ••■■■ 3 ■ - 8 .•••■ 3 * T 4 * T 5) ' ' < 2 * SIH t rr .■-■ 2 * T) -
3 * C U S < Tf ■■■'■ 2 * T)) ’ ]■
Plot Types 23-9
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