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Python中的hypot()方法使用简介

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Release： 2016-06-10 15:12:26
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 hypot()方法返回的欧几里德范数 sqrt(x*x + y*y).
语法

以下是hypot()方法的语法：

hypot(x, y)
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注意：此函数是无法直接访问的，所以我们需要导入math模块，然后需要用math的静态对象来调用这个函数
参数

  • x -- 这必须是一个数值
  • y -- 此方法返回欧几里德范数 sqrt(x*x + y*y)

返回值

此方法返回欧几里德范数 sqrt(x*x + y*y)
例子

下面的例子显示 hypot()方法的使用。

#!/usr/bin/python
import math

print "hypot(3, 2) : ", math.hypot(3, 2)
print "hypot(-3, 3) : ", math.hypot(-3, 3)
print "hypot(0, 2) : ", math.hypot(0, 2)
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当我们运行上面的程序，它会产生以下结果：

hypot(3, 2) : 3.60555127546
hypot(-3, 3) : 4.24264068712
hypot(0, 2) : 2.0
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