Difference between revisions of "Epsilon Delta Applet"
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Revision as of 13:16, 2 August 2013
About the Epsilon-Delta Applet for WeBWorK
This applet and WeBWorK problem are based upon work supported by the National Science Foundation under Grant Number DUE-0941388.
Click here and here to see two different problems making use of this applet (you may login as a guest).
Where to find more problems like this
The Epsilon-Delta Flash applet was designed to allow students to investigate the formal definition of the limit within a WeBWorK problem.
The applet is mainly used to investigate the relationship between values for epsilon and delta. A WeBWorK problem must be written to accompany this applet, and ask appropriate questions about the function being displayed.
The same applet can be used to author both a problem where students investigate an existing limit, or perhaps a situation where the limit does not exists. The problem can be customized by changing the graph of the function to the left and right of the limiting point, as well as setting whether the function is defined at the limiting point.
An example problem where the limit exists:
An example problem where the limit does not exist:
Including the Flash applet in the WeBWorK problem is done in a way similar to other problems documented on this Wiki. For example see SolidsWW_Flash_Applet_Sample_Problem_1
Customizing the WeBWorK problem
For the sake of completeness, we include at the bottom of this page the full working PG code for a problem implementing this applet, but here we will only comment on the problem setup section of the code. This section contains all of the parameters that can be altered to suit your needs as you author new WeBWorK problems using this applet.
After the tagging, description, and initialization sections of the problem, the problem is set up in a section following the comment line:
########### Problem parameters for customization here #######################
Below are the values that are used in an example problem
