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# View of /trunk/NationalProblemLibrary/TCNJ/TCNJ_Determinants/problem3.pg

Fri May 7 14:31:20 2010 UTC (3 years, 1 month ago) by hagedorn
File size: 903 byte(s)
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```    1 ## DESCRIPTION
2 ## Linear Algebra
3 ## ENDDESCRIPTION
4
5 ## KEYWORDS('determinant' 'matrix')
6 ## Tagged by tda2d
7
8 ## DBsubject('Linear Algebra')
9 ## DBchapter('Matrices')
10 ## DBsection('Determinants')
11 ## Date('')
12 ## Author('')
13 ## Institution('TCNJ')
14 ## TitleText1('')
15 ## EditionText1('')
16 ## AuthorText1('')
17 ## Section1('')
18 ## Problem1('')
19
20 DOCUMENT();        # This should be the first executable line in the problem.
21
23 "PG.pl",
24 "PGbasicmacros.pl",
25 "PGchoicemacros.pl",
27 "PGgraphmacros.pl",
28 "PGmatrixmacros.pl",
29 "PGnumericalmacros.pl",
30 "PGauxiliaryFunctions.pl"
31 );
32
33 TEXT(beginproblem());
35
36 BEGIN_TEXT
37
38 \{ mbox([ 'If \(A=\)', display_matrix([[k, 0, 0], [0, 1, 0], [0, 0, 1]]) ]) \}
39 \$BR
40 \{ mbox( 'then \(\det\,(A)= \ \)', ans_rule(20) ) \}
41
42 END_TEXT
43
44 ANS(str_cmp("k"));
45
46 ENDDOCUMENT();       # This should be the last executable line in the problem.
```