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Revision 2934 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Tue Oct 19 00:15:54 2004 UTC (15 years, 4 months ago) by dpvc
File length: 4063 byte(s)
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Handle error messages better.  Produce an error if the student answer
is a constant vector.  Prevent reduction of some negatives in order to
avoid -(a+bt).  Allow students to provide answer in terms of points
rather than vectors.

Revision 2728 - (view) (download) (as text) (annotate) - [select for diffs]
Added Sat Sep 4 20:28:33 2004 UTC (15 years, 5 months ago) by dpvc
File length: 3845 byte(s)
This file defines a ParametricLine class that provides an answser
checker for lines in any dimension given parametrically.  The answer
checker will recognize the line even if the point and direction vector
used by the student are not the same as the ones used by the

See the comments within the file for examples of how to use it.

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