autsyst.php

<span class="nadpis">
<?php echo __("Singular points of autonomous systems");
$fcef=rawurldecode($_REQUEST["fcef"]);
$fceg=rawurldecode($_REQUEST["fceg"]);
$pointx=rawurldecode($_REQUEST["pointx"]);
$pointy=rawurldecode($_REQUEST["pointy"]);
$action=rawurldecode($_REQUEST["akce"]);

if ($fcef=="") {
  $fcef="x*(4-x-y)";
  $fceg="y*(9-2*x-3*y)";
  $pointx="3";
  $pointy="1";
  $action=0;
}

if ($action==0)
  {
    $check0="checked=\"checked\"";
    $check1="";
  }

if ($action==1)
  {
    $check1="checked=\"checked\"";
    $check0="";
  }


?>
</span>

<span style="font-weight: bold;"></span>
<?php maw_before_form()?><form <?php formmethod();?> 
<?php echo $onsubmit;?>
action="<?php echo($server);?>/autsyst/autsyst.php"
name="exampleform" id="exampleform">
<?php polejazyka($lang); ?>

  <span style="font-style: italic;">x' =</span> <input name="funkcef" value="<?php echo $fcef; ?>" title="" id="in-funkcef">
<input value="<?php echo(__("Editor")); ?>" onclick="edit('funkcef')" type="button" class="tlacitko editor">
<input value="<?php echo(__("Preview")); ?>" title="<?php echo($previewmsg); ?>" onclick="previewb('funkcef')" type="button" class="tlacitko">

&nbsp; &nbsp; &nbsp; &nbsp; <span style="font-style: italic;"><br>

y' =</span> <input name="funkceg" value="<?php echo $fceg; ?>" title="" id="in-funkceg">
<input value="<?php echo(__("Editor")); ?>" onclick="edit('funkceg')" type="button" class="tlacitko editor">
<input value="<?php echo(__("Preview")); ?>" title="<?php echo($previewmsg); ?>" onclick="previewb('funkceg')" type="button" class="tlacitko">

<?php hint_preview(); ?>

<fieldset class="vnitrni"><legend class="podnadpis">
  <?php echo (__("What to do"));?>
</legend>
  <input <?php echo $check0?> name="akce" value="0" type="radio"> 
  <?php echo __("find Jacobi matrix at stationary point");?>
&nbsp;&nbsp;&nbsp;
<span style="display:inline-block"><span style="font-style: italic;">x</span>=&nbsp;<input name="xs" value="<?echo $pointx;?>" size="5" ></span>
&nbsp;
&nbsp; 
<span style="display:inline-block">
<span style="font-style: italic;">y</span>=&nbsp;
<input name="ys" value="<?echo $pointy;?>" size="5" >
</span>
<br>
<br>

  <input <?php echo $check1?>  name="akce" value="1" type="radio">
  <?php echo __('use computer to find stationary points first (this may fail to find all stationary points, however)');?>
<br>
</fieldset>
<?php echo $submitbutton;?>

</form><?php maw_after_form(); ?>
<?php history("autsyst",$server);



?>

<script>
$(document).ready( function() {
$("#in-funkcef").tooltip({ content: '<img src="http://um.mendelu.cz/mathtex/mathtex.php?\\begin{cases} x^{\\prime}={\\color{red}f(x,y)}\\\\ y^\\prime=g(x,y)\\end{cases}">' });
$("#in-funkceg").tooltip({ content: '<img src="http://um.mendelu.cz/mathtex/mathtex.php?\\begin{cases} x^{\\prime}={f(x,y)}\\\\ y^\\prime={\\color{red}g(x,y)}\\end{cases}">' });
});
</script>