ConFoo 2025

trader_mult

(PECL trader >= 0.2.0)

trader_multVector Arithmetic Mult

说明

trader_mult(array $real0, array $real1): array

Calculates the vector dot product of real0 with real1 and returns the resulting vector.

参数

real0

浮点数数组。

real1

浮点数数组。

返回值

Returns an array with calculated data or false on failure.

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geekgirl dot joy at gmail dot com
3 years ago
<?php

$result
= trader_mult([1,2,3,4,5], [6,7,8,9,10]);

var_dump($result);
/*
array(5) {
[0]=>
float(6) // 1 * 6
[1]=>
float(14) // 2 * 7
[2]=>
float(24) // 3 * 8
[3]=>
float(36) // 4 * 9
[4]=>
float(50) // 5 * 10
}
*/
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