PHP code example of apollonin / numphp

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

apollonin / numphp example snippets

$list = new np_array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);

$result = $list[[2,3]];

// result
[2, 3]

$result = $list[1];

// result
1

$result = $list[$list->gt(5)];

// result
[6, 7, 8, 9]

// gives the same result as above
$result = $list[$list['> 5']];

  $mask = $list->gt(5);

  // mask
  [false, false, false, false, false, false, true, true, true, true]

  // and then
  $result = $list[$mask];

  // result 
  [6, 7, 8, 9]

$result = $list[$list->gt([5, 6, 7, 8, 9, 3, 4, 5, 6, 7])];

// result
[6, 7, 8, 9]

$resuilt = $list[Bitwise::b_and($list->gte(5), $list->lt(8))];

// result
[5, 6, 7]

foreach ($list as $item) {
    echo $item . " ";
}

// output
0 1 2 3 4 5 6 7 8 9

$result = $list['1:5'];

//result
[1, 2, 3, 4]


$result = $list['1:5:2'];

//result
[1, 3]

$result = $list['1:'];

//result
[1, 2, 3, 4, 5, 6, 7, 8, 9]

$result = $list[':'];

//result
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9]

$result = $list['-7:6'];

//result
[3, 4, 5]

$result = clone($list);
$result[[2,3]] = 999;

// result
[0, 1, 999, 999, 4, 5, 6, 7, 8, 9]

$result = clone($list);
$result[$result->gte(5)] = 999;

// result
[0, 1, 2, 3, 4, 999, 999, 999, 999, 999]

$result = clone($list);
$result['1:3'] = 999;

// result
[0, 999, 999, 3, 4, 5, 6, 7, 8, 9]

$result = clone($list);
$result[] = 999;

// result 
[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 999]

$result = $list->add(100);

// result 
[100, 101, 102, 103, 104, 105, 106, 107, 108, 109]

$result = $list->add(new np_array([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]))

//result
[0, 2, 4, 6, 8, 10, 12, 14, 16, 18]

$result = $list->add([0, 1, 2, 3, 4, 5, 6, 7, 8, 9]);

//result
[0, 2, 4, 6, 8, 10, 12, 14, 16, 18]

use numphp\Random\Random;

$result = Random::rand(5)

// result
[0.64488127438579, 0.21702189986455, 0.96931800524207, 0.78197341448719, 0.89214772632911]

use numphp\Random\Random;

$result = Random::randint(5, 15, 10);

// result
[13, 9, 12, 14, 6, 15, 8, 9, 5, 13]

use numphp\Generator\Generator;

$result = Generator::zeros(5);

//result
[0, 0, 0, 0, 0]


$result = Generator::ones(5);

//result
[1, 1, 1, 1, 1]

$result = Generator::full(5, 999);

//result
[999, 999, 999, 999, 999]

use numphp\Generator\Generator;

$result = Generator::arange(1, 15, 2);

//result
[1, 3, 5, 7, 9, 11, 13]

use numphp\Generator\Generator;

$result = Generator::fib(6);

//result
[1, 1, 2, 3, 5, 8]

use numphp\Generator\Generator;

$result = Generator::formula(function($n){return 2*$n+1;}, 1, 5);

//result
[3, 5, 7, 9]

$mask = $matrix->gt(5);

//mask 
[[false, false, false, false],
[false, false, true, true],
[true, true, true, true]]