Index

Working with MUMIE as author

Working with MUMIE as teacher

Using MUMIE via plugin in local LMS

Overview

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# Interval

Consider the case that the answer to a problem is an interval.

The solution is defined by a left boundary ([ for closed and ] for open), two semicolon separated numbers or variables,
and a right boundary (] for closed or [ for open).

Here is an example

123456789101112131415\begin{problem}         \begin{question}                \text{Write down the Interval from 1 to 3:}                \explanation{Test test Test}                \type{input.interval}                \field{rational}                 \begin{answer}                        \text{ A = }                        \solution{[1;3]} % or ] for open type, the boundaries should be separated by ";"                \end{answer}        \end{question} \end{problem} 

There is the optional TeX command \allowIntervalUnionsForInput[<boolean, default: true>] with which you can enable
the option that the student's answer can be given by the union of multiple intervals.

12345\begin{answer}  \text{input.interval: $[1;4) =$}  \allowIntervalUnionsForInput  \solution{[1;4)}\end{answer} Furthermore as an author you can give the correct solution as an union of multiple disjoint intervals by separating
them with a comma, an example: \solution{(-infinity;2],[3;infinity)}

Be aware that this is only possible if the optional command \allowIntervalUnionsForInput is used.

More Examples