--- loncom/html/adm/help/tex/Problem_LON-CAPA_Functions.tex 2003/06/10 15:24:24 1.1 +++ loncom/html/adm/help/tex/Problem_LON-CAPA_Functions.tex 2003/06/10 15:27:06 1.2 @@ -76,25 +76,25 @@ \hline \parbox{6.49cm}{ -Option 1 - \&map(\$seed,[$\backslash$\$w,$\backslash$\$x,$\backslash$\$y,$\backslash$\$z],[\$a,\$b,\$c,\$d]) or !! - Option 2 - \&map(\$seed,$\backslash$@mappedArray,[\$a,\$b,\$c,\$d]) !! - Option 3 - @mappedArray = \&map(\$seed,[\$a,\$b,\$c,\$d]) !! - Option 4 - (\$w,\$x,\$y,\$z) = \&map(\$seed,$\backslash$@a) !! - where \$a='A'!! - \$b='B'!! - \$c='B'!! - \$d='B'!! +Option 1 - \&map(\$seed,[$\backslash$\$w,$\backslash$\$x,$\backslash$\$y,$\backslash$\$z],[\$a,\$b,\$c,\$d]) or \\ + Option 2 - \&map(\$seed,$\backslash$@mappedArray,[\$a,\$b,\$c,\$d]) \\ + Option 3 - @mappedArray = \&map(\$seed,[\$a,\$b,\$c,\$d]) \\ + Option 4 - (\$w,\$x,\$y,\$z) = \&map(\$seed,$\backslash$@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] =$>$ $\backslash$@a. \\ \hline -\parbox{6.49cm}{Option 1 - \&rmap(\$seed,[$\backslash$\$w,$\backslash$\$x,$\backslash$\$y,$\backslash$\$z],[\$a,\$b,\$c,\$d]) or !! - Option 2 - \&rmap(\$seed,$\backslash$@rmappedArray,[\$a,\$b,\$c,\$d]) !! - Option 3 - @rmapped\_array = \&rmap(\$seed,[\$a,\$b,\$c,\$d]) !! - Option 4 - (\$w,\$x,\$y,\$z) = \&rmap(\$seed,$\backslash$@a) !! - where \$a='A'!! - \$b='B'!! - \$c='B'!! - \$d='B'!! +\parbox{6.49cm}{Option 1 - \&rmap(\$seed,[$\backslash$\$w,$\backslash$\$x,$\backslash$\$y,$\backslash$\$z],[\$a,\$b,\$c,\$d]) or \\ + Option 2 - \&rmap(\$seed,$\backslash$@rmappedArray,[\$a,\$b,\$c,\$d]) \\ + Option 3 - @rmapped\_array = \&rmap(\$seed,[\$a,\$b,\$c,\$d]) \\ + Option 4 - (\$w,\$x,\$y,\$z) = \&rmap(\$seed,$\backslash$@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. \\ \hline