loncom/homework/edit.pm - diff

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-version 1.136, 2011/11/18 16:39:22
+version 1.138, 2011/11/22 02:13:37
  Line 434  sub insert_functionplotrule {
  <functionplotrule />';
  }
+ sub insert_functionplotvectorrule {
+     return '
+ <functionplotvectorrule />';
+ }
+ sub insert_functionplotvectorsumrule {
+     return '
+ <functionplotvectorsumrule />';
+ }
+ sub insert_functionplotcustomrule {
+     return '
+ <functionplotcustomrule>
+ <answer type="loncapa/perl">
+ # &fpr_val("label"), &fpr_f($x), &fpr_dfdx($x), &fpr_d2fdx2($x)
+ # ($xs,$xe,$ys,$ye)=&fpr_vectorcoords("Name"), ($x,$y)=&fpr_objectcoords("Name")
+ # &fpr_vectorlength("Name"), &fpr_vectorangle("Name")
+ # Return 0 or 1
+ return 1;
+ </answer>
+ </functionplotcustomrule>';
+ }
  sub insert_functionplotruleset {
      return '
  <functionplotruleset>