Laplace Transform Information using TI89’s Differential Equations Made Easy

  1. To find the Laplace Transform of a piecewise defined function , select Laplace Transform in the Main Menu, next select option3 “Piecewise defined function” in the dropdown menu as shown below:

Next, enter the two pieces/functions as shown below.
c is the breakpoint.

2) To SOLVE a Differential Equation using LaPlace Tranforms such as

y”+2y’+y=0 with Initial Conditions y(0)=1 and y'(0)=1

Select “Solve Diff Eqns using LaPlace Transforms” in the Main menu and enter as follows:

 

Steps are shown until final answer is derived.

Leave a Reply

Your email address will not be published. Required fields are marked *

You may use these HTML tags and attributes:
<a href="" title=""> <abbr title=""> <acronym title=""> <b> <blockquote cite=""> <cite> <code> <del datetime=""> <em> <i> <q cite=""> <s> <strike> <strong>