Friday, April 26, 2019

TI-84 Plus CE: Time Plot of Two Parametric Equations

TI-84 Plus CE:  Time Plot of Two Parametric Equations

Introduction 

The program TIMEPLOT animates two parametric plots. 

TI-84 Plus Program TIMEPLOT
(237 bytes)

"EWS 2019-04-22"
Param
PlotsOff
FnOff
Input "T START:",A
Input "T STOP:", B
Input "T STEP:", S
int((B-A)/S) → N
A → T: {X1T} → L1 : {Y1T} → L2
{X2T} → L3: {Y2T} → L4
For(I,2,N)
A + S*(I-1) → T
augment(L1, {X1T}) → L1
augment(L2, {Y1T}) → L2
augment(L3, {X2T}) → L3
augment(L4, {Y2T}) → L4
Plot1(Scatter, L1, L2, □, BLUE)
Plot2(Scatter, L3, L4, □, GREEN)
DispGraph 
Wait 1
End



Example

X1T = 2 SIN T
Y1T = 3 SIN T

X2T = SIN (T^2/4)
Y2T = 1/2 * COS(T^2/8)

T START: 0
T STOP: 4 * π
T STEP: π / 24



Eddie

All original content copyright, © 2011-2019.  Edward Shore.   Unauthorized use and/or unauthorized distribution for commercial purposes without express and written permission from the author is strictly prohibited.  This blog entry may be distributed for noncommercial purposes, provided that full credit is given to the author.

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