qat.core.variables.ln

qat.core.variables.ln(number)

Natural logarithm of a (positive or complex) number

from math import exp
from qat.core.variables import ln

print(ln(exp(2)))

2.0

Parameters:

number (Variable or ArithExpression or number) – a positive or complex number

Returns:

natural logarithm

Return type:

ArithExpression or number