TABLAS Y MEDIAS

<!-- Tabla de 5 columnas y 6 filas, rellenar de forma aleatoria con nros. una vez rellenado calcular la media de cada fila. -->

<?php

$accu="";

$media="";

$total="";

print "POR FILAS<br><br>";

for ($f=0 ; $f<6 ; $f++)

{

for ($c=0 ; $c<5 ; $c++)

{

$tabla[$c][$f]=mt_rand(0,30);

$t=$tabla[$c][$f];

$accu=$accu+$t;

$total=$total+$t;

echo "[$c - $f] <b> ".$tabla [$c][$f]." </b>" ;

}

$cont=$total;

$media=$accu/5;

echo "--> MEDIA [$media]<br>";

$accu=0;

}

echo "<br>----<br>";

print "<br>POR COLUMNAS<br><br>";

$accu2="";

$media2="";

for ($c=0 ; $c<5 ; $c++)

{

for ($f=0 ; $f<6 ; $f++)

{

$l=$tabla[$c][$f];

$accu2=$accu2+$l;

echo "[$f - $c] <b>".$tabla [$c][$f]."</b>" ;

}

$media2=$accu2/5;

echo "--> MEDIA [$media2]<br>";

$accu2=0;

}

$cont2=round(($cont/30)*100)/100;

echo "<br>MEDIA TOTAL <br><br>[$cont2]<br>";

?>