python built-in math module math
Some basic computational functions are provided, and the following expressions default to
from math import *
The default input and output are all one number. Most of the functions are very intuitive, just look at the text.
Other functions
isclose(a, b, *, rel_tol=1e-09, abs_tol=0.0)
Returns the value of a and b if they are close.Trueor elseFalse。
rel_tol is a relative tolerance that represents the maximum difference allowed between a, b. For example, to set a 5% tolerance, rel_tol=0.05. rel_tol must be greater than 0. For example, to set a tolerance of 5%, rel_tol=0.05. rel_tol must be greater than 0.
abs_tol is the minimum absolute tolerance, whose value is not less than zero.
Equivalent to abs(a-b) <= max(rel_tol * max(abs(a), abs(b)), abs_tol)
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