--- doc/homework/homework5.html 2001/06/12 21:05:31 1.5 +++ doc/homework/homework5.html 2002/03/28 22:55:35 1.13 @@ -62,12 +62,26 @@ the response to go in. It checks all styles of numerical supported in CAPA. Possible args are:
  • + <stringresponse> implements a string answer, + it needs an internal <textline> for the + response to go in. It can check the string for either case + or order. + +
  • <essayresponse> implements a ungraded large text response, it need an internal <textarea> for the response to go in. @@ -108,6 +122,27 @@ value of a <foil>can only be "true" or "false" or "unused"
  • +
  • + <dataresponse> implements a straight data + storage entry idea, needs and interveing input tag like + <textline> to work correctly.
    + Arguments: + +
  • Foil Structure Tags @@ -201,6 +236,12 @@ <window> the text in between is put in a popup javascript window
  • +
  • + <m> the inside text is LaTeX, and is + converted to HTML (or MathML) on the fly, if the argument + eval is set to "on" the intervening text will have + a perl var expansion done to it before being converted. +
  • @@ -253,7 +294,9 @@
  • <randomlist> the enclosed tags are parsed in - a stable random order + a stable random order, optional argument show + restricts the number of tags indie that are actually + parsed the no more than show.
  • <solved> everything inside the tag is @@ -351,14 +394,6 @@ Differences (if any) - - sin(x), cos(x), tan(x) - &sin($x), &cos($x), &tan($x) - Trigonometric functions where x is in radians. $x - can be a pure number, i.e., you can call &sin(3.1415) -   - - sin(x), cos(x), tan(x) &sin($x), &cos($x), &tan($x) @@ -458,6 +493,13 @@ + /DIS($x,"nn") + &format($x,"nn") + Display or format $x as nn where nn is nF or nE and n is an integer. +  The difference is obvious. + + + roundto(x,n) &roundto($x,$n) Rounds a real number to n decimal points. $x and @@ -523,6 +565,64 @@ + /MAP(seed;w,x,y,z;a,b,c,d) + Option 1 - &map($seed,[\$w,\$x,\$y,\$z],[$a,$b,$c,$d]) or
    + Option 2 - &map($seed,\@mappedArray,[$a,$b,$c,$d])
    + Option 3 - @mappedArray = &map($seed,[$a,$b,$c,$d])
    + Option 4 - ($w,$x,$y,$z) = &map($seed,\@a)
    + where $a='A'
    + $b='B'
    + $c='B'
    + $d='B'
    + $w, $x, $y, and $z are variables + Assigns to the variables $w, $x, $y and $z the values of the + $a, $b, $c and $c (A, B, C and D). The precise value for $w .. depends + on the seed. (Option 1 of calling map). + 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. + In CAPA, the arguments are divided into three groups separated + 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 + second and third groups. + + + + + rmap(seed;a,b,c,d;w,x,y,z) + Option 1 - &rmap($seed,[\$w,\$x,\$y,\$z],[$a,$b,$c,$d]) or
    + Option 2 - &rmap($seed,\@rmappedArray,[$a,$b,$c,$d])
    + Option 3 - @rmapped_array = &rmap($seed,[$a,$b,$c,$d])
    + Option 4 - ($w,$x,$y,$z) = &rmap($seed,\@a)
    + where $a='A'
    + $b='B'
    + $c='B'
    + $d='B'
    + $w, $x, $y, and $z are variables + The rmap functions does the reverse action of map if the same seed + is used in calling map and rmap. + In CAPA, the arguments are divided into + three groups separated by a semicolon ;. In LON-CAPA, the + separation is done by using [] brackets (with create an + 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). + + + + NOT IMPLEMENTED IN CAPA + $a=&xmlparse($string) + Runs the internal parser over the + argument parsing for display. Warning This will + result in different strings in different targets. Don't use + the results of this function as an answer. + New to LON-CAPA + + + tex(a,b), tex("a","b") &tex($a,$b), &tex("a","b") Returns a if the output mode is in tex otherwise @@ -713,13 +813,13 @@ New to LON-CAPA - NOT IMPLEMENTED IN CAPA - @return_array=&random_multivariate_normal ($item_cnt,$seed,@mean,@covar)
    - NOTE: @mean should be a 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. + NOT DOCUMENTED IN CAPA + @return_array=&random_multivariate_normal ($item_cnt,$seed,\@mean,\@covar)
    + NOTE: @mean should be of length p array of real numbers. @covar should be a length + p array of references to length p arrays of real numbers (i.e. a p by p matrix. Generate $item_cnt deviates of multivariate_normal distribution with mean vector @mean and variance-covariance matrix. - New to LON-CAPA + Note the backslash before the @mean and @covar arrays. NOT IMPLEMENTED IN CAPA @@ -808,7 +908,7 @@
    Guy Albertelli
    -Last modified: Tue June 12 15:25 EDT 2001 +Last modified: Thu Mar 28 17:59:42 EST 2002