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version 1.6, 2001/06/13 19:53:03
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version 1.9, 2001/07/27 18:13:57
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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> |
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| <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><stringresponse></b> implements a string answer, |
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it needs an internal <b><textline></b> for the |
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response to go in. It can check the string for either case |
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or order. |
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<ul> |
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<li><i>answer</i> required, specifies the correct answer, may be either a perl list or scalar</li> |
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<li><i>type</i> optional, CAPA style str args, cs/ci/mc |
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<ul> |
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<li>cs - case senesitive, order important</li> |
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<li>ci - case insenesitive, order important</li> |
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<li>mc - case insenesitive, order unimportant</li> |
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</ul> |
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</li> |
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</ul> |
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<li> |
| <b><essayresponse></b> implements a ungraded large |
<b><essayresponse></b> implements a ungraded large |
| text response, it need an internal <b><textarea></b> |
text response, it need an internal <b><textarea></b> |
| for the response to go in. |
for the response to go in. |
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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">&sin($x), &cos($x), &tan($x)</td> |
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| <td valign="top">Trigonometric functions where x is in radians. $x |
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| can be a pure number, i.e., you can call &sin(3.1415)</td> |
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| <td valign="top"> </td> |
|
| </tr> |
|
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|
| <tr> |
<tr> |
| <td valign="top">sin(x), cos(x), tan(x)</td> |
<td valign="top">sin(x), cos(x), tan(x)</td> |
| <td valign="top">&sin($x), &cos($x), &tan($x)</td> |
<td valign="top">&sin($x), &cos($x), &tan($x)</td> |
|
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| </tr> |
</tr> |
| |
|
| <tr> |
<tr> |
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<td valign="top">/DIS($x,"nn")</td> |
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<td valign="top">&format($x,"nn")</td> |
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<td valign="top">Display or format $x as nn where nn is nF or nE and n is an integer.</td> |
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<td valign="top"> The difference is obvious.</td> |
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</tr> |
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|
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<tr> |
| <td valign="top">roundto(x,n)</td> |
<td valign="top">roundto(x,n)</td> |
| <td valign="top">&roundto($x,$n)</td> |
<td valign="top">&roundto($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. $x and |
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|
| <tr> |
<tr> |
| <td valign="top">map(seed;a,b,c,d;w,x,y,z)</td> |
<td valign="top">map(seed;a,b,c,d;w,x,y,z)</td> |
| <td valign="top">Option 1 - &map($seed,[\$w,\$x,\$y,\$z],\@a) or <br> |
<td valign="top">Option 1 - &map($seed,[\$w,\$x,\$y,\$z],[$a,$b,$c,$d]) or <br> |
| Option 2 - &map($seed,\@a,[$w,$x,$y,$z]) <br> |
Option 2 - &map($seed,\@mappedArray,[$a,$b,$c,$d]) <br> |
| where @a=('A','B','C','D') <br> |
Option 3 - @mappedArray = &map($seed,[$a,$b,$c,$d]) <br> |
| $w='W'<br> |
Option 4 - ($w,$x,$y,$z) = &map($seed,\@a) <br> |
| $x='X'<br> |
where $a='A'<br> |
| $y='Y'<br> |
$b='B'<br> |
| $z='Z'</td> |
$c='B'<br> |
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$d='B'<br> |
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$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, $b .. are mapped into the array, @mappedArray. The two |
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options illustrate the different grouping. Options 3 and 4 give a consistent |
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way (with other functions) of mapping the items. For each option, the group can |
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be passed as an array, for example, [$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">&rmap($seed,[\$w,\$x,\$y,\$z],\@a) or <br> |
<td valign="top">Option 1 - &rmap($seed,[\$w,\$x,\$y,\$z],[$a,$b,$c,$d]) or <br> |
| &rmap($seed,\@a,[$w,$x,$y,$z]) <br> |
Option 2 - &rmap($seed,\@rmappedArray,[$a,$b,$c,$d]) <br> |
| where @a=('A','B','C','D') <br> |
Option 3 - @rmapped_array = &rmap($seed,[$a,$b,$c,$d]) <br> |
| $w='W'<br> |
Option 4 - ($w,$x,$y,$z) = &rmap($seed,\@a) <br> |
| $x='X'<br> |
where $a='A'<br> |
| $y='Y'<br> |
$b='B'<br> |
| $z='Z'</td> |
$c='B'<br> |
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$d='B'<br> |
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$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 three groups separated |
|
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| using an array @a. Note the backslash (\) before the arguments in the |
using an array @a. Note the backslash (\) before the arguments in the |
| second and third groups.</td> |
second and third groups.</td> |
| </tr> |
</tr> |
| |
|
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<tr> |
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<td valign="top">NOT IMPLEMENTED IN CAPA</td> |
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<td valign="top">$a=&xmlparse($string) </td> |
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<td valign="top">Runs the internal parser over the |
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argument parsing for display. <b>Warning</b> This will |
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result in different strings in different targets. Don't use |
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the results of this function as an answer.</td> |
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<td valign="top">New to LON-CAPA</td> |
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</tr> |
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|
| <tr> |
<tr> |
| <td valign="top">tex(a,b), tex("a","b")</td> |
<td valign="top">tex(a,b), tex("a","b")</td> |
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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 Jul 13 12:10:52 EDT 2001 |
| <!-- hhmts end --> |
<!-- hhmts end --> |
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