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what is log zero. Log b 3 7 log b 3 log b 7. The logarithm function is not defined for zero so log probabilities can only represent non-zero probabilities.
For example the base 10 logarithm of 0 is not defined. In mathematics the binary logarithm log 2 n is the power to which the number 2 must be raised to obtain the value nThat is for any real number x. Log b 0 is undefined.
Thats wrong but you can do that.
The limit of the base b logarithm of x when x approaches zero is minus infinity. E x 0. Its not a real number because you can never get zero by raising anything to the power of anything else. For example the binary logarithm of 1 is 0 the binary logarithm of 2 is 1 the binary logarithm of 4 is 2 and the binary logarithm of 32 is 5.