hello every body....
i'll make application online in internet about digital CDMA cellular system. And now i meet Walsh Hadamard matrix, he make me mad...
the matrix is like this:
Hn=
| Hn/2 Hn/2 |
| |
| Hn/2 -Hn/2 |
exp:
H2=
|1 1|
| |
|1 -1|
H4=
|1 1 1 1|
|1 -1 1 -1|
|1 1 -1 -1|
|1 -1 -1 1|
i try this code but still stuck:
<?
$rest=array[$long][$long];
$temp[0]=1;
for ($i=1;$i<=$long/2;$i++){
for ($a=1;$a<=count($temp):$a++){
array_push($rest[....;
?>
Anybody could help me SOS...........