Python math.erfc() Method

Python math 模块Python math Module

Python math.erfc(x)The method returns the complementary error function at x.

math.erfc(x)The method accepts values between -inf and +inf and returns values between -1 and +1.

Python Version: 3.2

Syntax

The syntax of the math.erfc() method is as follows:

math.erfc(x)

Parameter description:

  • xx -- Required, a number. If x is not a number, a TypeError is returned.

Return Value

A floating point value, representing the complementary error function of a number.

Example

The following example calculates the complementary error function of numbers:

Example

# Import the math package
import math

# Output the complementary error function of different numbers
print (math.erfc(0.67))
print (math.erfc(1.34))
print (math.erfc(-6))

Output result:

0.34337229769969496
0.05808628474163466
2.0

Python math 模块Python math Module

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