python中acosh

Python math.acosh()方法 (Python math.acosh() method)

math.acosh() method is a library method of math module, it is used to get the hyperbolic arc cosine of the given number in radians, it accepts a number and returns hyperbolic arc cosine.

math.acosh()方法是數(shù)學(xué)模塊的庫方法，用于獲取以弧度為單位的給定數(shù)字的雙曲反余弦，它接受一個(gè)數(shù)字并返回雙曲反余弦。

Note: math.acosh() method accepts only numbers (positive integer or float greater than or equal to 1), if we provide a negative value it returns a ValueError – "ValueError: math domain error", and if we provide anything else except the number, it returns error TypeError – "TypeError: a float is required".

注意： math.acosh()方法僅接受數(shù)字(正整數(shù)或浮點(diǎn)數(shù)大于或等于1)，如果我們提供負(fù)值，它將返回ValueError – “ ValueError：math domain error” ，并且如果我們提供其他內(nèi)容，則除外數(shù)字，它返回錯(cuò)誤TypeError – “ TypeError：需要浮點(diǎn)數(shù)” 。

Syntax of math.acosh() method:

math.acosh()方法的語法：

math.acosh(x)

Parameter(s): x – is the number whose hyperbolic arc cosine to be calculated.

參數(shù)： x –是要計(jì)算其雙曲反余弦的數(shù)字。

Return value: float – it returns a float value that is the hyperbolic arc cosine value of the number x.

返回值： float-它返回一個(gè)浮點(diǎn)值，該值是數(shù)字x的雙曲反余弦值。

Example:

例：

Input:x = 1.5# function callprint(math.acosh(x))Output:0.9624236501192069

Python代碼演示math.acosh()方法的示例 (Python code to demonstrate example of math.acosh() method)

# Python code to demonstrate example of # math.acosh() method# importing math module import math # number x = 1 print("math.acosh(",x,"): ", math.acosh(x))x = 1.5 print("math.acosh(",x,"): ", math.acosh(x))x = 5 print("math.acosh(",x,"): ", math.acosh(x))x = 15.45 print("math.acosh(",x,"): ", math.acosh(x))

Output

輸出量

math.acosh( 1 ): 0.0 math.acosh( 1.5 ): 0.9624236501192069 math.acosh( 5 ): 2.2924316695611777 math.acosh( 15.45 ): 3.429707205929454

ValueError example

ValueError示例

# Python code to demonstrate example of # math.acosh() method with exception# importing math module import math # number x = -1 print("math.acosh(",x,"): ", math.acosh(x))

Output

輸出量

Traceback (most recent call last):File "/home/main.py", line 9, in <module>print("math.acosh(",x,"): ", math.acosh(x)) ValueError: math domain error

TypeError example

TypeError示例

# Python code to demonstrate example of # math.acosh() method with exception# importing math module import math # number x = "2.5" print("math.acosh(",x,"): ", math.acosh(x))

Output

輸出量

Traceback (most recent call last):File "/home/main.py", line 9, in <module>print("math.acosh(",x,"): ", math.acosh(x)) TypeError: a float is required

翻譯自: https://www.includehelp.com/python/math-acosh-method-with-example.aspx

python中acosh

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