[LON-CAPA-cvs] cvs: loncom /html/adm/help/tex Formula_Response_Sampling.tex
vandui11
lon-capa-cvs@mail.lon-capa.org
Fri, 18 Feb 2005 20:30:53 -0000
vandui11 Fri Feb 18 15:30:53 2005 EDT
Modified files:
/loncom/html/adm/help/tex Formula_Response_Sampling.tex
Log:
made grammatical changes and simplified wording for clarity
Index: loncom/html/adm/help/tex/Formula_Response_Sampling.tex
diff -u loncom/html/adm/help/tex/Formula_Response_Sampling.tex:1.2 loncom/html/adm/help/tex/Formula_Response_Sampling.tex:1.3
--- loncom/html/adm/help/tex/Formula_Response_Sampling.tex:1.2 Thu Jul 18 11:52:27 2002
+++ loncom/html/adm/help/tex/Formula_Response_Sampling.tex Fri Feb 18 15:30:52 2005
@@ -5,22 +5,22 @@
Symbolically proving it one way or another is impossible in general. Therefore,
LON-CAPA uses a sampling system. If your answer and the student's answer
agree at the sampling points within your given tolerance factor, the student's
-answer will be accepted, otherwise it will be rejected.
+answer will be accepted. If the student's answer does not agree at the sampling points within your given tolerance factor, it will be rejected.
To specify where to sample the formulas for determining whether the student's
answer is correct, you need to put a sampling specification in the \textbf{Sample
-Points}\index{Sample Points} field. The sampling specifications takes the
+Points}\index{Sample Points} field. The sampling specifications take the
following format:
\begin{enumerate}
-\item A comma separated list of the variables you wish to interpret,
+\item A comma-separated list of the variables you wish to interpret,
\item followed by {}``@'' (not in quotes),
\item followed by any number of the following two things, separated by semi-colons:
\begin{enumerate}
-\item a comma separated list of as many numbers as there are variables, which specifies
+\item a comma-separated list of as many numbers as there are variables, which specifies
one sampling point, OR
-\item a comma separated list of as many numbers as there are variables, followed
+\item a comma-separated list of as many numbers as there are variables, followed
by a colon, followed by another list of as many numbers as there are variables,
followed by a \#, followed by an integer.
\end{enumerate}
@@ -29,7 +29,7 @@
range for each variable, and the system will take as many random samples
from that range as the number after the \#.
-For $2x^{2}+4$, with one variable {}``x'', one could specify
+For $2x^{2}+4$, with one variable {}``x'', one could specify:
\begin{itemize}
\item {}``x@2'', which will sample the answers only at 2. (This is generally
@@ -38,7 +38,7 @@
\item {}``x@1:5\#4;10'' will takes 4 samples from somewhere between 1 and 5,
and also sample at 10.
\end{itemize}
-For $2x^{2}+3y^{3}$, which has two variables, one could specify
+For $2x^{2}+3y^{3}$, which has two variables, one could specify:
\begin{itemize}
\item {}``x,y@4,5:10,12\#4;0,0'', which take four samples from the box determined