Problem1
ERROR caught by Translator while processing problem file:unionLibrary/setMVlevelsets/levels-10a/levels-10a.pg
*
Can't locate macro file |PGunion.pl| via path: |.|, |/ww/webwork/courses/daemon2_course/templates/macros|, |/ww/webwork/pg/macros|, |/ww/webwork/union_problib/macros|, |/ww/webwork/nau_problib/macros|, |/ww/webwork/dartmouth_problib/Stewart| at line 310 of (eval 1262)
Died within main::loadMacros called at line 22 of [TMPL]/unionLibrary/setMVlevelsets/levels-10a/levels-10a.pg
*
------Input Read
1 ## DESCRIPTION
2 ## Identify Level Curves
3 ## ENDDESCRIPTION
4
5 ## KEYWORDS('Graph', 'Multivariable', 'Level Curve')
6 ## Tagged by nhamblet
7
8 ## DBsubject('Calculus')
9 ## DBchapter('Partial Derivatives')
10 ## DBsection('Graphs and Level Surfaces')
11 ## Date('')
12 ## Author('')
13 ## Institution('Union College')
14 ## TitleText1('')
15 ## EditionText1('')
16 ## AuthorText1('')
17 ## Section1('')
18 ## Problem1('')
19
20 DOCUMENT(); # This should be the first executable line in the problem.
21
22 loadMacros(
23 "PGstandard.pl",
24 "PGunion.pl",
25 "Parser.pl",
26 "contextABCD.pl",
27 "imageChoice.pl",
28 "LiveGraphics3D.pl",
29 "PGcourse.pl"
30 );
31
32
33 TEXT(&beginproblem);
34 BEGIN_PROBLEM();
35
36 ##############################################
37 # Setup
38
39 $lsize = [200,200]; # the size of the Live3D images
40 $ltsize = 400; # tex size of the Live3D images
41
42 #
43 # The Live3D files and their associated GIFs
44 #
45 @QA = (
46 "\(\frac{1}{2}x^2 - 3y^2 - z^2 = -1\)", "levels-10a-1",
47 "\(\frac{1}{2}y^2 - 3z^2 - x^2 = -1\)", "levels-10a-2",
48 "\(\frac{1}{2}z^2 - 3x^2 - y^2 = -1\)", "levels-10a-3",
49 "\(\frac{1}{2}x^2 - y^2 - 3z^2 = -1\)", "levels-10a-4",
50
51 "\(2x^2 - 3y^2 - z^2 = 1\)", "levels-10a-5",
52 "\(2y^2 - 3z^2 - x^2 = 1\)", "levels-10a-6",
53 "\(2z^2 - 3x^2 - y^2 = 1\)", "levels-10a-7",
54 "\(2x^2 - y^2 - 3z^2 = 1\)", "levels-10a-8",
55 );
56
57 ##############################################
58
59 #
60 # use an image match list
61 #
62 $ml = new_image_match_list();
63 $ml->{separation} = 5; # spacing between questions
64 $ml->qa(@QA); # set the questions and answers
65 $ml->choose(4); # select 4 of them
66
67 ##############################################
68
69 #
70 # Make a table of the Live3D images
71 #
72
73 sub my_print_a {
74 my $self = shift; my (@name) = @_;
75
76 BeginTable().
77 AlignedRow([Live3D($name[0]),Live3D($name[1])]).
78 TableSpace(5,0).
79 AlignedRow([Bold("A"),Bold("B")]).
80 TableSpace(25,6).
81 AlignedRow([Live3D($name[2]),Live3D($name[3])]).
82 TableSpace(5,0).
83 AlignedRow([Bold("C"),Bold("D")]).
84 EndTable();
85 }
86
87 sub Bold {$BBOLD.$_[0].$EBOLD}
88
89 sub Live3D {
90 my $name = shift;
91 my $mfile = alias("${name}-zip.html");
92 my $gfile = alias("${name}.gif");
93 return Live3Dfile("${name}.m",
94 image => $gfile,
95 archive => $mfile,
96 size => $lsize, tex_size => $ltsize,
97 scale => 1.4);
98 }
99
100 $ml->rf_print_a(~~&my_print_a);
101
102 ##############################################
103 # Main text
104
105 BEGIN_TEXT
106
107 \{ColumnTable(
108 "Match the equations below with the images
109 of their level surfaces at the right.".
110 $BCENTER.$PAR.$ml->print_q.$ECENTER.$PAR.
111 "(You can drag the images to rotate them.)",
112 $ml->print_a,
113 indent => 0, separation => 30, valign => "TOP"
114 )\}
115 $PAR
116
117 END_TEXT
118
119 ##################################################
120 # Answers
121
122 Context("ABCD");
123 ANS(string_cmp($ml->ra_correct_ans));
124
125 $showPartialCorrectAnswers = 0;
126 install_problem_grader(~~&std_problem_grader);
127
128 ##################################################
129
130 END_PROBLEM();
131 ENDDOCUMENT(); # This should be the last executable line in the problem.
-----
