@Visualización de recintos plano
system:sage


<CENTER>
<HR>
<H3>Visualización de recintos planos</H3>
</CENTER>

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#auto
%hide
var('x,y')
@interact
def _(condicions =input_box(default=[x^2/9+y^2/4<=1, y > 0, x > 0]),rango_x='(0, 3)', rango_y='(0,2)'):
    xmin, xmax = sage_eval(rango_x); ymin, ymax = sage_eval(rango_y);
    C=region_plot(condicions,(xmin,xmax),(ymin,ymax),plot_points=100)
    show(C, aspect_ratio=1)
///
<html><!--notruncate--><div padding=6 id='div-interact-0'> <table width=800px height=20px bgcolor='#c5c5c5'
                 cellpadding=15><tr><td bgcolor='#f9f9f9' valign=top align=left><table><tr><td align=right><font color="black">condicions&nbsp;</font></td><td><input type='text' value="[1/9*x^2 + 1/4*y^2 &lt;= 1, y &gt; 0, x &gt; 0]" size=80 onchange='interact(0, "_interact_.update(0, \"condicions\", 1, _interact_.standard_b64decode(\""+encode64(this.value)+"\"), globals());_interact_.recompute(0)")'></input></td></tr>
<tr><td align=right><font color="black">rango_x&nbsp;</font></td><td><input type='text' value="(0, 3)" size=80 onchange='interact(0, "_interact_.update(0, \"rango_x\", 2, _interact_.standard_b64decode(\""+encode64(this.value)+"\"), globals());_interact_.recompute(0)")'></input></td></tr>
<tr><td align=right><font color="black">rango_y&nbsp;</font></td><td><input type='text' value="(0,2)" size=80 onchange='interact(0, "_interact_.update(0, \"rango_y\", 3, _interact_.standard_b64decode(\""+encode64(this.value)+"\"), globals());_interact_.recompute(0)")'></input></td></tr>
</table><div id='cell-interact-0'><?__SAGE__START>
        <table border=0 bgcolor='#white' width=100% height=100%>
        <tr><td bgcolor=white align=left valign=top><pre><?__SAGE__TEXT></pre></td></tr>
        <tr><td  align=left valign=top><?__SAGE__HTML></td></tr>
        </table><?__SAGE__END></div></td>
                 </tr></table></div>
                 </html>
}}}

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///
}}}