WeBWorKdocs
Home Current UR courses Visitor page Intro to WeBWorK WeBWorK 2 Twiki WW Community Grant Support & awards Discussion group Problem library Write/modify problems Create & manage course Tutorial on running a course HowTos FAQ WeBWorK2 FAQ Software Download How to Install WW server Feedback Site Map Change preferences Change password	Previous topic: Next topic: Sending Feedback topic started 4/13/2000; 2:18:57 PM last post 8/4/2003; 1:49:31 AM Michael Gage - Sending Feedback   4/13/2000; 2:18:57 PM (reads: 9496, responses: 1) To post comments about this documentation use the <| Post Comments |> link to go to the comments/discussion bulletin board. To post comments you will have to "join now", -- see the Membership box on the lower left corner of the page after you have followed the "post comments" link -- enter your e-mail address as an ID and choose your password. Once you have joined, you need only login in order to post comments. (When posting from a private computer, you will find that you never have to login again, since the machine stores a cookie identifying you. From a lab machine, it is better to sign out to remove the cookie and keep others from posting in your name.) You can also view the behind the scenes discussion, without logging in. Here is the most recent discussion and here is a complete list of topics You can use the feedback button below on any WeBWorK problem page to send comments, corrections or questions to your WeBWorK instructor and the designers of webwork. <| Post or View Comments |> Chahngwoo Yi - Re: Sending Feedback   8/4/2003; 1:49:31 AM (reads: 4997, 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 error Can'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 |>
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