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Annotation of doc/demo/selfteaching/plot.problem, revision 1.1

1.1     ! albertel    1: <problem><displaytitle />
        !             2: <script type="loncapa/perl"># The script below generates two arrays that hold
        !             3: # 20 random numbers between 5 and 25
        !             4: for($i=0;$i<20;$i++) {
        !             5:   $a[$i] = &random(5.0,25.0,1.0);
        !             6:   $b[$i] = &random(5.0,25.0,1.0);
        !             7: }
        !             8: # The script below prints the arrays above 
        !             9: # separated by commas and spaces
        !            10: $aString = $a[0];
        !            11: $bString = $a[0];
        !            12: for($i=1;$i<20;$i++) {
        !            13:   $aString = $aString.", ".$a[$i];
        !            14:   $bString = $bString.", ".$b[$i];
        !            15: }</script><gnuplot font="large" width="300" grid="off" height="300" border="on" fgcolor="x000000" align="left" bgcolor="xffffff" transparent="off">
        !            16:     <axis ymax="30" xmin="0" ymin="0" xmax="30" color="x000000" />
        !            17: 
        !            18:     <xlabel>First list</xlabel>
        !            19: 
        !            20:     <ylabel>Second list</ylabel>
        !            21: 
        !            22:     
        !            23: 
        !            24: 
        !            25:     <curve name="Scatter Plot" linestyle="points" pointtype="0" color="x000000">
        !            26:      <data>@a</data>
        !            27:      <data>@b</data>
        !            28: </curve>
        !            29: </gnuplot>
        !            30: 
        !            31: 
        !            32: <startouttext />First random list of numbers: <br />$aString <br />
        !            33: Second random list of numbers:<br /> $bString <br />
        !            34: <br />The answer to this question is "5".<endouttext />
        !            35: <numericalresponse id="11" answer="5">
        !            36: 	<responseparam description="Numerical Tolerance" name="tol" type="tolerance" default="5%" />
        !            37: 	<responseparam description="Significant Figures" name="sig" type="int_range,0-16" default="0,15" />
        !            38: 	<textline />
        !            39: 	<hintgroup>
        !            40: 		<startouttext />Enter the hint text here.
        !            41: 		<endouttext />
        !            42: 	</hintgroup>
        !            43: </numericalresponse>
        !            44: </problem>