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PHP - Manual: trader_acos

2024-11-15

trader_acos

(PECL trader >= 0.2.0)

trader_acosVector Trigonometric ACos

说明

trader_acos(array $real): array

Calculates the arc cosine for each value in real and returns the resulting array.

参数

real

浮点数数组。

返回值

Returns an array with calculated data or false on failure.

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User Contributed Notes 1 note

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geekgirl dot joy at gmail dot com
1 year ago
$real = array(1, 0.5, 1, 0.5, 0.2, 0.3, 0.5, 0.8, 0.9, 0.5);
$result = trader_acos($real);
var_dump($result);
/*
array(10) {
  [0]=>
  float(0)
  [1]=>
  float(1.047)
  [2]=>
  float(0)
  [3]=>
  float(1.047)
  [4]=>
  float(1.369)
  [5]=>
  float(1.266)
  [6]=>
  float(1.047)
  [7]=>
  float(0.644)
  [8]=>
  float(0.451)
  [9]=>
  float(1.047)
}
*/

官方地址:https://www.php.net/manual/en/function.trader-acos.php

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