Difference between revisions of "MatchingStaticGraphs"

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<h2>Matching Problems That Have Static Graphic Images</h2>
+
<h2>Matching Problems that have Graphic Images</h2>
   
 
<p>
 
<p>
Line 5: Line 5:
 
</p>
 
</p>
 
<ul type="square">
 
<ul type="square">
<li>(Recommended:) Matching functions and graphs using MathObjects.</li>
+
<li><b>Example 1:</b> (Recommended:) Matching functions and static graphs using imageChoice.</li>
<li>(Older:) Matching functions and their graphs without MathObjects.</li>
+
<li>(Old:) Matching functions and their graphs without imageChoice.</li>
<li>(Older:) Matching graphs to other graphs without MathObjects.</li>
+
<li>(Old:) Matching graphs to other graphs without imageChoice.</li>
 
</ul>
 
</ul>
 
<br />
 
<br />
   
 
<p style="background-color:#eeeeee;border:black solid 1px;padding:3px;">
 
<p style="background-color:#eeeeee;border:black solid 1px;padding:3px;">
<em><b>Matching functions and graphs with MathObjects:</b> This code shows how to create a matching problem for functions and their graphs using MathObjects.
+
<em><b>Example 1:</b> Matching functions and static graphs with imageChoice. This code shows how to create a matching problem for functions and their graphs using imageChoice.
 
Students input their answers using drop-down select lists (popup lists).
 
Students input their answers using drop-down select lists (popup lists).
 
</em>
 
</em>
Line 33: Line 33:
 
"PGstandard.pl",
 
"PGstandard.pl",
 
"PGunion.pl",
 
"PGunion.pl",
"MathObjects.pl",
 
"contextABCD.pl",
 
 
"imageChoice.pl",
 
"imageChoice.pl",
"PGcourse.pl",
 
 
);
 
);
  +
  +
TEXT(beginproblem());
  +
$refreshCachedImages=1;
 
</pre>
 
</pre>
 
</td>
 
</td>
 
<td style="background-color:#ccffcc;padding:7px;">
 
<td style="background-color:#ccffcc;padding:7px;">
 
<p>
 
<p>
Initialization: We need to include many macro files.
+
<b>Initialization:</b>
  +
We need to include many macro files.
 
</p>
 
</p>
 
</td>
 
</td>
Line 49: Line 49:
 
<td style="background-color:#ffffdd;border:black 1px dashed;">
 
<td style="background-color:#ffffdd;border:black 1px dashed;">
 
<pre>
 
<pre>
$size = [150,150]; # the size of the images
 
$tsize = 250; # tex size of the images
 
 
#
 
# Array of functions and their associated GIFs or PNGs
 
#
 
 
@QA = (
 
@QA = (
 
"\( f(x,y) = \displaystyle \frac{1}{x^2 + y^2} \)",
 
"\( f(x,y) = \displaystyle \frac{1}{x^2 + y^2} \)",
Line 70: Line 64:
 
$ml = new_image_match_list(
 
$ml = new_image_match_list(
 
link => 1, # do not link to separate image
 
link => 1, # do not link to separate image
size => $size, # image size in pixels
+
size => [150,150], # image width, height in pixels
tex_size => $tsize, # tex size in precent times 10
+
tex_size => 310, # tex size in precent times 10
 
columns => 3, # number of columns
 
columns => 3, # number of columns
  +
separation => 20, # space between images
 
);
 
);
$ml->{separation} = 3; # separation for questions in the list
 
   
 
$ml->rf_print_q(~~&pop_up_list_print_q); # use pop-up-lists
 
$ml->rf_print_q(~~&pop_up_list_print_q); # use pop-up-lists
$ml -> ra_pop_up_list([ No_answer=>"?", A=>"A", B=>"B", C=>"C", D=>"D", E=>"E" ] );
+
$ml -> ra_pop_up_list(
  +
[ No_answer=>"?", A=>"A", B=>"B", C=>"C", D=>"D", E=>"E" ] );
   
 
$ml->qa(@QA); # set the questions and answers
 
$ml->qa(@QA); # set the questions and answers
 
$ml->choose(5); # select 5 of them
 
$ml->choose(5); # select 5 of them
#$ml->choose_extra(1); # and show the other 1
+
#$ml->choose_extra(1); # and show the other 1
 
</pre>
 
</pre>
 
</td>
 
</td>
 
<td style="background-color:#ffffcc;padding:7px;">
 
<td style="background-color:#ffffcc;padding:7px;">
 
<p>
 
<p>
Set-up: This is probably the only section you need to modify.
 
  +
<b>Setup:</b>
  +
This is probably the only section you need to modify.
 
Create an array of questions (functions) and a corresponding
 
Create an array of questions (functions) and a corresponding
 
array of images. You probably want six or fewer
 
array of images. You probably want six or fewer
Line 103: Line 98:
 
<td style="background-color:#ffdddd;border:black 1px dashed;">
 
<td style="background-color:#ffdddd;border:black 1px dashed;">
 
<pre>
 
<pre>
TEXT(beginproblem());
 
 
 
BEGIN_TEXT
 
BEGIN_TEXT
 
 
Match each function with its graph. Click on a graph to make it larger.
 
Match each function with its graph. Click on a graph to make it larger.
 
  +
$BR
$PAR
 
 
\{$ml->print_q\}
 
\{$ml->print_q\}
$PAR
 
  +
$BR
 
\{$ml->print_a\}
 
\{$ml->print_a\}
$PAR
 
  +
$BR
 
 
END_TEXT
 
END_TEXT
 
</pre>
 
</pre>
 
<td style="background-color:#ffcccc;padding:7px;">
 
<td style="background-color:#ffcccc;padding:7px;">
 
<p>
 
<p>
Main Text: Modify the instructions if you want.
 
  +
<b>Main Text:</b>
  +
Modify the instructions if you want.
 
</p>
 
</p>
 
</td>
 
</td>
Line 126: Line 117:
 
<td style="background-color:#eeddff;border:black 1px dashed;">
 
<td style="background-color:#eeddff;border:black 1px dashed;">
 
<pre>
 
<pre>
Context("ABCD")->strings->add("E"=>{},"F"=>{},"?"=>{},"No_answer"=>{});
 
 
 
install_problem_grader(~~&std_problem_grader);
 
install_problem_grader(~~&std_problem_grader);
 
 
$showPartialCorrectAnswers = 0;
 
$showPartialCorrectAnswers = 0;
   
ANS(string_cmp($ml->ra_correct_ans));
+
ANS(str_cmp($ml->ra_correct_ans));
   
 
ENDDOCUMENT();
 
ENDDOCUMENT();
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<td style="background-color:#eeccff;padding:7px;">
 
<td style="background-color:#eeccff;padding:7px;">
 
<p>
 
<p>
Answer Evaluation: You may need to add more strings ("G", "H", etc.) to the context if you have more choices.
 
  +
<b>Answer Evaluation:</b>
  +
As expected.
 
</p>
 
</p>
 
</td>
 
</td>
Line 155: Line 144:
   
 
<p style="background-color:#eeeeee;border:black solid 1px;padding:3px;">
 
<p style="background-color:#eeeeee;border:black solid 1px;padding:3px;">
<em><b>Matching functions and graphs without MathObjects:</b> This code shows how to create a matching problem for functions and their graphs without using MathObjects.
+
<em><b>Matching functions and graphs without imageChoice:</b> This code shows how to create a matching problem for functions and their graphs without using imageChoice.
 
Students input their answers using drop-down select lists (popup lists). This code is old, and some of its routines have been deprecated.
 
Students input their answers using drop-down select lists (popup lists). This code is old, and some of its routines have been deprecated.
 
</em>
 
</em>
Line 291: Line 280:
   
 
<p style="background-color:#eeeeee;border:black solid 1px;padding:3px;">
 
<p style="background-color:#eeeeee;border:black solid 1px;padding:3px;">
<em><b>Matching graphs and graphs without MathObjects:</b>This code shows how to create a matching problem for graphs and other graphs without using MathObjects.
+
<em><b>Matching graphs and graphs without imageChoice:</b> This code shows how to create a matching problem for graphs and other graphs without using imageChoice.
 
Students input their answers using drop-down select lists (popup lists). This code is old, and some of its routines have been deprecated.
 
Students input their answers using drop-down select lists (popup lists). This code is old, and some of its routines have been deprecated.
 
</em>
 
</em>
Line 339: Line 328:
 
);
 
);
   
$n = scalar(@questions);
+
$n = scalar(@surfaces);
 
$k = $n; # $k can be less than $n
 
$k = $n; # $k can be less than $n
 
@subset = NchooseK($n,$k);
 
@subset = NchooseK($n,$k);

Revision as of 15:03, 19 February 2010

Matching Problems that have Graphic Images

There are three different kinds of matching problems with static graphics given here.

  • Example 1: (Recommended:) Matching functions and static graphs using imageChoice.
  • (Old:) Matching functions and their graphs without imageChoice.
  • (Old:) Matching graphs to other graphs without imageChoice.


Example 1: Matching functions and static graphs with imageChoice. This code shows how to create a matching problem for functions and their graphs using imageChoice. Students input their answers using drop-down select lists (popup lists).

Problem Techniques Index

PG problem file Explanation
DOCUMENT();

loadMacros(
"PGstandard.pl",
"PGunion.pl",
"imageChoice.pl",
);

TEXT(beginproblem());
$refreshCachedImages=1;

Initialization: We need to include many macro files.

@QA = (
"\( f(x,y) = \displaystyle \frac{1}{x^2 + y^2} \)", 
"plot1.png", 
"\( f(x,y) = - y^2 \)", 
"plot2.png",
"\( f(x,y) = x^3 - \sin(y) \)", 
"plot3.png",
"\( f(x,y) = x + 2y + 3 \)", 
"plot4.png",
"\( f(x,y) = - 4 e^{-x^2 - y^2} \)", 
"plot5.png",
);

$ml = new_image_match_list(
  link => 1,                #  do not link to separate image
  size => [150,150],        #  image width, height in pixels
  tex_size => 310,          #  tex size in precent times 10
  columns => 3,             #  number of columns
  separation => 20,         #  space between images
);

$ml->rf_print_q(~~&pop_up_list_print_q); # use pop-up-lists
$ml -> ra_pop_up_list(
[ No_answer=>"?", A=>"A", B=>"B", C=>"C", D=>"D", E=>"E" ] );

$ml->qa(@QA);               #  set the questions and answers
$ml->choose(5);             #  select 5 of them
#$ml->choose_extra(1);      #  and show the other 1

Setup: This is probably the only section you need to modify. Create an array of questions (functions) and a corresponding array of images. You probably want six or fewer graphs to be displayed. Image files must be GIF or PNG and be located in the same directory as the pg file.

You may need to add more strings ("F", "G", etc.) to the ra_pop_up_list if you have more than five graphs.

For each PG problem with static images, you should put both the PG file and the image files into their own separate subdirectory. This subdirectory should be located somewhere under the course templates directory. The name of the subdirectory should be the same as the root name of the PG file, and there should be only one PG file in this subdirectory.

BEGIN_TEXT
Match each function with its graph.  Click on a graph to make it larger.
$BR
\{$ml->print_q\}
$BR
\{$ml->print_a\}
$BR
END_TEXT

Main Text: Modify the instructions if you want.

install_problem_grader(~~&std_problem_grader);
$showPartialCorrectAnswers = 0;

ANS(str_cmp($ml->ra_correct_ans));

ENDDOCUMENT();

Answer Evaluation: As expected.






Matching functions and graphs without imageChoice: This code shows how to create a matching problem for functions and their graphs without using imageChoice. Students input their answers using drop-down select lists (popup lists). This code is old, and some of its routines have been deprecated.

Problem Techniques Index

PG problem file Explanation
DOCUMENT();

loadMacros(
"PG.pl",
"PGbasicmacros.pl",
"PGchoicemacros.pl",
"PGanswermacros.pl",
"PGcourse.pl",
);

Initialization: We need to include the PGchoicemacros.pl macro file.

@questions = (
"\( f(x,y) = \displaystyle \frac{1}{x^2 + y^2} \)",
"\( f(x,y) = - y^2 \)",
"\( f(x,y) = x^3 - \sin(y) \)",
"\( f(x,y) = x + 2y + 3 \)",
"\( f(x,y) = - e^{-x^2 - y^2} \)",
);

@images = (
"12-2-9a.gif",
"12-2-9b.gif",
"12-2-9c.gif",
"12-2-9d.gif",
"12-2-9e.gif",
);

$n = scalar(@questions);
$k = $n; # $k can be less than $n
@subset = NchooseK($n,$k);

Set-up: This is probably the only section you need to modify. Create an array of questions (functions) and a corresponding array of images. Set the number of questions displayed, $k, manually if you like. You probably don't want more than five graphs to be displayed. Image files must be GIF or PNG and be located in the same directory as the pg file.

@subset_of_questions = @questions[@subset];
@subset_of_images = @images[@subset];
@permutation = NchooseK($k,$k);
@shuffled_subset_of_images = @subset_of_images[@permutation];
@captions = @ALPHABET[0..$k-1];

TEXT(beginproblem());

BEGIN_TEXT

Match each function with its graph.  If you click on a graph, 
a larger graph will appear in a new window.
$BR$BR
END_TEXT

for $j (1..$k) {
BEGIN_TEXT
$j.  
\{ pop_up_list(['?', @captions]) \} $SPACE 
@subset_of_questions[$j-1]
$BR$BR
END_TEXT
}

BEGIN_TEXT

\{imageRow(~~@shuffled_subset_of_images,~~@captions)\}

END_TEXT

Main Text: You may modify the instructions if you want.

install_problem_grader(~~&std_problem_grader);

$showPartialCorrectAnswers = 0;

ANS(str_cmp([@ALPHABET[invert(@permutation)]]));

ENDDOCUMENT();

Answer Evaluation: You should not need to modify this section at all.






Matching graphs and graphs without imageChoice: This code shows how to create a matching problem for graphs and other graphs without using imageChoice. Students input their answers using drop-down select lists (popup lists). This code is old, and some of its routines have been deprecated.


PG problem file Explanation
DOCUMENT();

loadMacros(
"PG.pl",
"PGbasicmacros.pl",
"PGchoicemacros.pl",
"PGanswermacros.pl",
"PGcourse.pl",
);

Initialization: We need to include the PGchoicemacros.pl macro file.

@surfaces = (
"Surface02.png",
"Surface04.png",
"Surface09.png",
"Surface10.png",
);

@contours = (
"Contour02.png",
"Contour04.png",
"Contour09.png",
"Contour10.png",
);

$n = scalar(@surfaces);
$k = $n; # $k can be less than $n
@subset = NchooseK($n,$k);

Set-up: This is probably the only section you need to modify. Create an array of surfaces and a corresponding array of contour plots. You could also do this for functions and their derivatives. Set the number of questions displayed, $k, manually if you like. You probably don't want more than five graphs to be displayed. Image files must be GIF or PNG and be located in the same directory as the pg file.

@subset_of_surfaces = @surfaces[@subset];
@subset_of_contours = @contours[@subset];
@permutation = NchooseK($k,$k);
@shuffled_subset_of_contours = @subset_of_contours[@permutation];
@numbercaptions = (1..$k);
@alphacaptions = @ALPHABET[0..$k-1];

TEXT(beginproblem());

BEGIN_TEXT

Match each graph with its contour plot.  If you click on a graph, 
a larger graph will appear in a new window.  Green contours represent
lower elevations, and red contours represent higher elevations.
In the contour plots, the x-axis is horizontal and the y-axis is
vertical, as usual.
$BR$BR
END_TEXT

for $j (1..$k) {
BEGIN_TEXT
$j. \{ pop_up_list(['?', @alphacaptions]) \} 
$SPACE$SPACE$SPACE$SPACE$SPACE
END_TEXT
}

BEGIN_TEXT
\{imageRow(~~@subset_of_surfaces,~~@numbercaptions)\}
\{imageRow(~~@shuffled_subset_of_contours,~~@alphacaptions)\}
END_TEXT

Main Text: You may modify the instructions if you want. We display the popup lists on a single line so that they are visually arranged in the same way as the graphs.

install_problem_grader(~~&std_problem_grader);

$showPartialCorrectAnswers = 0;

ANS(str_cmp([@ALPHABET[invert(@permutation)]]));

ENDDOCUMENT();

Answer Evaluation: You should not need to modify this section at all.


Problem Techniques Index