import math number = -7.5 absolute_value = math.fabs(number) print(absolute_value) # Output: # 7.5 Python Copy In this example, we’ve used the math.fabs() function to find the absolute value of -7.5, which re
def absolute_value(x):return x if x >= 0 else -x 方法同上，只是代码更紧凑。def absolute_value(x):return max(x, -x)如果数字 𝑥 为负数，则此函数将返回其正值。否则，它将返回 𝑥 本身。from math import sqrtdef absolute_value(x):return sqrt(pow(x, 2))使用math模块的平方根函数sqrt...
def absolute_value(x): return x if x >= 0 else -x 方法同上,只是代码更紧凑。 def absolute_value(x): return max(x, -x) 如果数字 为负数,则此函数将返回其正值。否则,它将返回 本身。 from math import sqrt def absolute_value(x): return sqrt(pow(x, 2)) 使用math模块的平方根函数sqrt和...
def abs_value2(): #使用内置函数求绝对值 a = float(input('2.请输入一个数字:')) a = abs(a) print('绝对值为:%f' % a) def abs_value3(): #使用内置的math模块求绝对值 a = float(input('3.请输入一个数字:')) a = math.fabs(a) print('绝对值为:%f' % a) abs_value1() abs_...
>>>math.ceil(4.01)5>>>math.ceil(4.99)5>>>math.ceil(-3.99)-3>>>math.ceil(-3.01)-3 copysign #把y的正负号加到x前面,可以使用0copysign(x, y)Returna floatwiththe magnitude (absolute value)ofx but the signofy.Onplatforms that support signed zeros, copysign(1.0, -0.0) ...
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import math # Some random values valueA = -4 valueB = -56 valueC = 26 valueD = -2.992474203 # Get the floating-point absolute value from each fabs_A = math.fabs(valueA) fabs_B = math.fabs(valueB) fabs_C = math.fabs(valueC) ...
Returnafloatwith the magnitude (absolute value) of x but the sign of y. On platforms that support signed zeros,copysign(1.0, -0.0) returns -1.0. >>>math.copysign(2,3)2.0>>>math.copysign(2,-3)-2.0>>>math.copysign(3,8)3.0>>>math.copysign(3,-8)-3.0 ...
Key Takeaway: To use the abs() function, simply provide the number as an argument, and it will return its absolute value. For greater precision with floats, use the math.fabs() function. Practical Applications There are many situations where a negative number doesn’t make sense or would ca...
In this Python article, you learnedhow to get absolute value in Python without using abs method. Instead of using the abs method, we use a different approach, like using an arithmetic operator( – )with theif-else condition, then using thecopysign()method from themath moduleandsqrt() method...