ODEs on the TI-89

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  • Thread starter amcavoy
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  • #1
amcavoy
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Does anyone know how to graph the integral curves / slope fields of ODEs on the 89? I don't have a manual for mine, and suppose a few of you are quite familiar with it.

Thanks in advance.
 

Answers and Replies

  • #2
dduardo
Staff Emeritus
1,901
3
MODE=>Graph=>Diff Equations
DIAMOND=>F1
y1'=5t
yi1=1

or you can just solve for the equation directly like this:

desolve(y''=(-g/l)y',t,y)
 
  • #3
amcavoy
665
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What is the Yi1 for?

Thanks for the response.
 
  • #4
dduardo
Staff Emeritus
1,901
3
Y intial condition 1
 
  • #5
amcavoy
665
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Alright sounds good. I appreciate it dduardo.
 

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