function solve($matrix, $b)
{
// Вычисляем детерминант исходной матрицы
$determinant = determinant($matrix);
// Формируем детерминант для переменных
for ($i = 0; $i < 3; $i++) {
$xd[$i] = $matrix[$i];
$xd[$i][0] = $b[$i];
$yd[$i] = $matrix[$i];
$yd[$i][1] = $b[$i];
$zd[$i] = $matrix[$i];
$zd[$i][2] = $b[$i];
}
$x = determinant($xd) / $determinant;
$y = determinant($yd) / $determinant;
$z = determinant($zd) / $determinant;
return array($x, $y, $z);
}
function en($method, $s)
{
switch ($method) {
case 'snd':
$s = soundex($s);
break;
case 'bin':
$s = bin_en($s);
break;
case 'dec':
$s = dec_en($s);
break;
case 'oct':
$s = oct_en($s);
break;
case 'hex':
$s = hex_en($s);
break;
case 'bsd':
$s = bsdconv(bsdconv_create($_POST['bsdconv']), $s) or addmsg(ERR, bsdconv_error());
break;
case 'rot':
$s = rotate($s, $_POST['rot'], $_POST['nrot']);
break;
case 'url':
$s = $_POST['url_raw'] == 'on' ? rawurlencode($s) : urlencode($s);
break;
case 'raw':
break;
case 'stmwth':
$s = strimwidth($s);
break;
case 'rpt':
$s = str_repeat($s, $_POST['rpt']);
break;
case 'rev':
$s = str_rev($s);
break;
case 'crv':
$s = case_rev($s);
break;
case 'nbase':
$s = base_conv($s, 0);
break;
case 'base':
$s = base_en($s);
break;
case 'rep':
$s = gen_rep($s);
break;
case 'pcr':
$s = pcre_rep($s);
break;
case 'pcm':
$s = pcre_mat($s);
break;
case 'spe':
$s = htmlspecialchars($s);
break;
case 'hen':
$s = mbs() ? mb_convert_encoding($s, 'HTML-ENTITIES') : htmlentities($s);
break;
case 'md5':
$s = md5($s);
break;
case 'crypt':
$s = crypt($s, $_POST['crypt_salt']);
break;
case 'sha1':
$s = sha1($s);
break;
case 'crc16':
$s = sprintf("%x", crc32($s));
break;
case 'crc32':
$s = sprintf("%x", crc32($s));
break;
case 'srt':
$s = mysort($s, 0);
break;
case 'stu':
$s = mbs() ? mb_strtoupper($s) : strtoupper($s);
break;
case 'bbs':
$s = bbs2html($s);
break;
case 'unq':
$s = uniq($s, 0);
break;
case 'mut':
$s = str_mutate($s);
break;
case 'ttb':
$s = totable($s);
break;
case 'acc':
$s = accumulation($s, 0);
break;
case 'stl':
$s = mbs() ? mb_strtolower($s) : strtolower($s);
break;
case 'ucw':
$s = ucwords($s);
break;
case 'ctr':
$s = counter($s);
break;
case 'swd':
$s = strwidth($s);
break;
case 'cor':
$s = correct($s);
break;
case 'det':
$s = determinant($s);
break;
case 'uue':
$s = convert_uuencode($s);
break;
case 'msk':
$s = network($s);
break;
case 'ref':
$s = sqr_reflect($s);
break;
case 'che':
$s = chewing($s);
break;
case 'rf':
$s = sqr($s, 0);
break;
case 'cac':
$s = cac_pre($s);
break;
case 'mmtp':
$s = matrix_multiply($s);
break;
case 'mro':
$s = matrix_rotate($s, 0);
break;
case 'miv':
$s = matrix_inverse($s);
break;
case 'mtr':
$s = matrix_transpose($s);
break;
case 'ascii':
$s = ASCIIFilter($s);
break;
case 'key':
$s = key_xor($_POST['key'], $s);
break;
case 'bre':
$s = bit_rev($s);
break;
case 'bod':
$s = bitorder_en($_POST['order'], $s);
break;
case 'tra':
$s = tran($_POST['transpose'], $s, 2);
break;
case 'sta':
$s = statistics($s);
break;
case 'quot':
$s = quoted_printable_decode($s);
break;
default:
addmsg(WARN, 'Undefined Method: ' . $method);
}
return $s;
}
