## Forum archive 2000-2006

### Michael Gage - Sending Feedback

by Arnold Pizer -
Number of replies: 0
 Sending Feedback topic started 4/13/2000; 2:18:57 PMlast post 8/4/2003; 1:49:31 AM
 Chahngwoo Yi - Re: Sending Feedback  8/4/2003; 1:49:31 AM (reads: 4376, responses: 0) I've got no problem when I compile the following two equivalent expressions using "perl *.pl" from the command line. ---------------------------------------------- $string= "[ -1 0 -2 ]\n[ 0 1 1 ]\n[ 1 0 1 ]\n";$G=MatrixReal1->new_from_string($string); --------------------------------------------$G=MatrixReal1->new_from_string(<<"MATRIX"); [ -1 0 -2 ] [ 0 1 1 ] [ 1 0 1 ] MATRIX ------------------------------------------- With second code, everything was O.K. But an error message came up when I tried to see on the webpage with first code and the error is : ------------------------------------------------- Software errorCan't use an undefined value as an ARRAY reference at /usr/calculus/webwork/system/courseScripts/displayMacros.pl line 582. main::l2h_sticky_answers called at /usr/calculus/webwork/system/cgi/cgi-scripts/processProblem8.pl line 471 eval {...} called at /usr/calculus/webwork/system/cgi/cgi-scripts/processProblem8.pl line 78 ------------------------------------------------ Any comment will be helpful. Thanks in advance. cwyi. <| Post or View Comments |>