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version 1.6, 2001/06/13 19:53:03 version 1.11, 2001/11/09 13:43:03
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     the response to go in. It checks all styles of numerical      the response to go in. It checks all styles of numerical
     supported in CAPA. Possible args are:      supported in CAPA. Possible args are:
     <ul>      <ul>
       <li><i>answer</i> required, specifies the correct answer, must be a perl list</li>        <li><i>answer</i> required, specifies the correct answer, may be either a perl list or scalar</li>
       <li><i>type</i> optional, CAPA style str args, cs/ci/mc</li>  
       <li><i>units</i> optional, specifies unit of correct answer, CAPA style</li>        <li><i>units</i> optional, specifies unit of correct answer, CAPA style</li>
     </ul>      </ul>
   </li>    </li>
   <li>    <li>
       <b>&lt;stringresponse&gt;</b> implements a string answer,
       it needs an internal <b>&lt;textline&gt;</b> for the
       response to go in. It can check the string for either case
       or order.
       <ul>
         <li><i>answer</i> required, specifies the correct answer, may be either a perl list or scalar</li>
         <li><i>type</i> optional, CAPA style str args, cs/ci/mc
    <ul>
     <li>cs - case senesitive, order important</li>
     <li>ci - case insenesitive, order important</li>
     <li>mc - case insenesitive, order unimportant</li>
    </ul>
         </li>
       </ul>
     <li>
     <b>&lt;essayresponse&gt;</b> implements a ungraded large      <b>&lt;essayresponse&gt;</b> implements a ungraded large
     text response, it need an internal <b>&lt;textarea&gt;</b>      text response, it need an internal <b>&lt;textarea&gt;</b>
     for the response to go in.      for the response to go in.
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     <i>value</i> of a &lt;foil&gt;can only be "true" or      <i>value</i> of a &lt;foil&gt;can only be "true" or
     "false" or "unused"      "false" or "unused"
   </li>    </li>
     <li>
       <b>&lt;dataresponse&gt;</b> implements a straight data
       storage entry idea, needs and interveing input tag like
       &lt;textline&gt; to work correctly.<br>
       Arguments:
       <ul>
         <li>
    <i>name</i> internal name for the value, it will have
    the part id and respose id added on to it
         </li>
         <li>
    <i>type</i> type of data stored in this response
    field, should be one of the types supported by
    parameter.html
         </li> 
         <li>
    <i>display</i> a string that will be used to describe
    the field when interfacing with humans
         </li>
       </ul>
     <li>
  </ul>   </ul>
  <li>   <li>
  <a name="foil">Foil Structure Tags</a>   <a name="foil">Foil Structure Tags</a>
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             <td valign="top"><b>Differences (if any)</b</td>              <td valign="top"><b>Differences (if any)</b</td>
      </tr>       </tr>
   
      <tr>  
              <td valign="top">sin(x), cos(x), tan(x)</td>  
              <td valign="top">&amp;sin($x), &amp;cos($x), &amp;tan($x)</td>  
              <td valign="top">Trigonometric functions where x is in radians. $x  
          can be a pure number, i.e., you can call &amp;sin(3.1415)</td>  
              <td valign="top">&nbsp</td>  
     </tr>  
   
     <tr>      <tr>
              <td valign="top">sin(x), cos(x), tan(x)</td>               <td valign="top">sin(x), cos(x), tan(x)</td>
              <td valign="top">&amp;sin($x), &amp;cos($x), &amp;tan($x)</td>               <td valign="top">&amp;sin($x), &amp;cos($x), &amp;tan($x)</td>
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     </tr>      </tr>
   
     <tr>      <tr>
                <td valign="top">/DIS($x,"nn")</td>
                <td valign="top">&amp;format($x,"nn")</td>
                <td valign="top">Display or format $x as nn where nn is nF or nE and n is an integer.</td>
                <td valign="top">&nbsp;The difference is obvious.</td>
       </tr>
   
       <tr>
              <td valign="top">roundto(x,n)</td>               <td valign="top">roundto(x,n)</td>
              <td valign="top">&amp;roundto($x,$n)</td>               <td valign="top">&amp;roundto($x,$n)</td>
              <td valign="top">Rounds a real number to n decimal points. $x and               <td valign="top">Rounds a real number to n decimal points. $x and
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     </tr>      </tr>
   
     <tr>      <tr>
              <td valign="top">map(seed;a,b,c,d;w,x,y,z)</td>               <td valign="top">/MAP(seed;w,x,y,z;a,b,c,d)</td>
              <td valign="top">Option 1 - &amp;map($seed,[\$w,\$x,\$y,\$z],\@a) or <br>                <td valign="top">Option 1 - &amp;map($seed,[\$w,\$x,\$y,\$z],[$a,$b,$c,$d]) or <br> 
                   Option 2 - &amp;map($seed,\@a,[$w,$x,$y,$z]) <br>                    Option 2 - &amp;map($seed,\@mappedArray,[$a,$b,$c,$d]) <br>
                   where @a=('A','B','C','D') <br>                    Option 3 - @mappedArray = &amp;map($seed,[$a,$b,$c,$d]) <br>
                         $w='W'<br>                    Option 4 - ($w,$x,$y,$z) = &amp;map($seed,\@a) <br>
                         $x='X'<br>                    where $a='A'<br>
                         $y='Y'<br>                          $b='B'<br>
                         $z='Z'</td>                          $c='B'<br>
                           $d='B'<br>
                           $w, $x, $y, and $z are variables</td>
              <td valign="top">Assigns to the variables $w, $x, $y and $z the values of the               <td valign="top">Assigns to the variables $w, $x, $y and $z the values of the
                   variables A, B, C and D depending on the seed. (Option 1 of calling map).                     $a, $b, $c and $c (A, B, C and D). The precise value for $w .. depends
                   In option 2, the values of $w, $x .. are mapped into the array @a. The two                    on the seed. (Option 1 of calling map). 
                   options illustrate the different grouping.</td>                    In option 2, the values of $a, $b .. are mapped into the array, @mappedArray. The two
                     options illustrate the different grouping. Options 3 and 4 give a consistent 
                     way (with other functions) of mapping the items. For each option, the group can
                     be passed as an array, for example, [$a,$b,$c,$d] => \@a.</td>
              <td valign="top">In CAPA, the arguments are divided into three groups separated               <td valign="top">In CAPA, the arguments are divided into three groups separated
                   by a semicolon ;. In LON-CAPA, the separation is done by using [] brackets or                    by a semicolon ;. In LON-CAPA, the separation is done by using [] brackets or
                   using an array @a. Note the backslash (\) before the arguments in the                    using an array @a. Note the backslash (\) before the arguments in the
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     <tr>      <tr>
              <td valign="top">rmap(seed;a,b,c,d;w,x,y,z)</td>               <td valign="top">rmap(seed;a,b,c,d;w,x,y,z)</td>
              <td valign="top">&amp;rmap($seed,[\$w,\$x,\$y,\$z],\@a) or <br>                <td valign="top">Option 1 - &amp;rmap($seed,[\$w,\$x,\$y,\$z],[$a,$b,$c,$d]) or <br> 
                   &amp;rmap($seed,\@a,[$w,$x,$y,$z]) <br>                    Option 2 - &amp;rmap($seed,\@rmappedArray,[$a,$b,$c,$d]) <br>
                   where @a=('A','B','C','D') <br>                    Option 3 - @rmapped_array = &amp;rmap($seed,[$a,$b,$c,$d]) <br>
                         $w='W'<br>                    Option 4 - ($w,$x,$y,$z) = &amp;rmap($seed,\@a) <br>
                         $x='X'<br>                    where $a='A'<br>
                         $y='Y'<br>                          $b='B'<br>
                         $z='Z'</td>                          $c='B'<br>
                           $d='B'<br>
                           $w, $x, $y, and $z are variables</td>
              <td valign="top">The rmap functions does the reverse action of map if the same seed               <td valign="top">The rmap functions does the reverse action of map if the same seed
                   is used in calling map and rmap. </td>                    is used in calling map and rmap. </td>
              <td valign="top">In CAPA, the arguments are divided into three groups separated               <td valign="top">In CAPA, the arguments are divided into
                   by a semicolon ;. In LON-CAPA, the separation is done by using [] brackets or               three groups separated by a semicolon ;. In LON-CAPA, the
                   using an array @a. Note the backslash (\) before the arguments in the               separation is done by using [] brackets (with create an
                   second and third groups.</td>               unamed vector reference) or using an array @a. Note the
                backslash (\) before the arguments in the second and
                third groups (Which cause Perl to send to variable
                locations rather than the variable values, similar to a C
                pointer).</td>
       </tr>
         
        <tr>
                <td valign="top">NOT IMPLEMENTED IN CAPA</td>
                <td valign="top">$a=&amp;xmlparse($string) </td>
                <td valign="top">Runs the internal parser over the
     argument parsing for display. <b>Warning</b> This will
     result in different strings in different targets. Don't use
     the results of this function as an answer.</td>
                <td valign="top">New to LON-CAPA</td>
     </tr>      </tr>
   
     <tr>      <tr>
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              <td valign="top">New to LON-CAPA</td>               <td valign="top">New to LON-CAPA</td>
     </tr>      </tr>
      <tr>       <tr>
              <td valign="top">NOT IMPLEMENTED IN CAPA</td>               <td valign="top">NOT DOCUMENTED IN CAPA</td>
              <td valign="top">@return_array=&random_multivariate_normal ($item_cnt,$seed,@mean,@covar) <br>               <td valign="top">@return_array=&random_multivariate_normal ($item_cnt,$seed,\@mean,\@covar) <br>
                         NOTE: @mean should be a length p array of real numbers. @covar should be a length                          NOTE: @mean should be of length p array of real numbers. @covar should be a length
                         p array of references to length p arrays or real numbers (i.e. a p by p matrix.</td>                          p array of references to length p arrays of real numbers (i.e. a p by p matrix.</td>
              <td valign="top">Generate $item_cnt deviates of multivariate_normal distribution with                 <td valign="top">Generate $item_cnt deviates of multivariate_normal distribution with  
                         mean vector @mean and variance-covariance matrix. </td>                          mean vector @mean and variance-covariance matrix. </td>
              <td valign="top">New to LON-CAPA</td>               <td valign="top">Note the backslash before the @mean and @covar arrays.</td>
     </tr>      </tr>
      <tr>       <tr>
              <td valign="top">NOT IMPLEMENTED IN CAPA</td>               <td valign="top">NOT IMPLEMENTED IN CAPA</td>
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     <address><a href="mailto:albertel@marvin.lite.msu.edu">Guy Albertelli</a></address>      <address><a href="mailto:albertel@marvin.lite.msu.edu">Guy Albertelli</a></address>
 <!-- Created: Thu May 17 15:05:35 EDT 2001 -->  <!-- Created: Thu May 17 15:05:35 EDT 2001 -->
 <!-- hhmts start -->  <!-- hhmts start -->
 Last modified: Tue June 12 15:25 EDT 2001  Last modified: Fri Nov  9 08:39:47 EST 2001
 <!-- hhmts end -->  <!-- hhmts end -->
   </body>    </body>
 </html>  </html>
Removed from v.1.6  
changed lines
  Added in v.1.11

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