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Revision 5707 - (view) (download) (as text) (annotate) - [select for diffs]
Modified Fri Jun 20 14:40:35 2008 UTC (11 years, 8 months ago) by gage
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An experimental collection of macros designed as a first attempt
to make writing sequential problems easier (Davide Cervone principal author)
The rules for using these macros may well change as we gain experience writing
sequential problems.  (See also PGsequentialmacros.pl for some additional, lower level tools.)

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Modified Mon May 5 16:42:17 2008 UTC (11 years, 9 months ago) by gage
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speeling typo :-)

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Modified Thu Oct 4 16:40:49 2007 UTC (12 years, 4 months ago) by sh002i
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added standard copyright/license header

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Modified Wed Oct 3 19:47:42 2007 UTC (12 years, 4 months ago) by sh002i
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fixed indentation of verbatim paragraphs: now using hard tabs
exclusively. the downside of this is that these get rendered as
eight-column tabs.

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Modified Tue Oct 2 20:48:05 2007 UTC (12 years, 4 months ago) by sh002i
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improved formatting for docs -- these were in pod sections but were all
formatted as verbatim sections, and i moved them into normal paragraphs,
lists, etc. should make things more readable from the web.

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Modified Sun Sep 30 11:18:39 2007 UTC (12 years, 4 months ago) by dpvc
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Don't use dollar signs in the TeX output, since BEGIN_TEXT/END_TEX
does command substitution then variable substitution then math, so
\{$f->TeX\} would insert dollars, which would then be substituted as
variables.

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Modified Fri Aug 31 13:40:27 2007 UTC (12 years, 5 months ago) by dpvc
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Fixed POD documentation formatting.

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Modified Wed Aug 29 02:06:01 2007 UTC (12 years, 5 months ago) by dpvc
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Fix substitute() so that if the variable is being substituted for a
constant, only the branch that contains that value is returned.  If it
is substituted by another variable, the variables for the inequalities
will also be changed.  (Otherwise the variable is replaced only in the
functions; not perfect, but the best that I could come up with.)

Revision 5444 - (view) (download) (as text) (annotate) - [select for diffs]
Added Wed Aug 29 00:07:47 2007 UTC (12 years, 5 months ago) by dpvc
File length: 24271 byte(s)
Implementation of a PiecewiseFunction class.  Both students and
problem authors can enter peicewise functions, and they will display
nicely in TeX mode.  They can be evaluated, reduced, substituted, and
so on, just like other functions.

There are undoubtedly more features that it needs, but it's a start.

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