What is the point of logarithms? How are they used?
(The base-10 logarithm of a number is roughly the number of digits in that number, for example.) Slide rules work because adding and subtracting logarithms is equivalent to multiplication and …
Log of a negative number - Mathematics Stack Exchange
9 Ean 2017 · The point is: the complex logarithm is not a function, but what we call a multivalued function. To turn it into a proper function, we must restrict what $\theta$ is allowed to be, for …
Why can the base of a logarithm not be negative? [duplicate]
27 MFómh 2021 · The long story short is that "logarithm" isn't a function on the complex plane (because one input can map to multiple outputs), and there's rarely a real answer when dealing …
Why must the base of a logarithm be a positive real number not …
25 Feabh 2014 · Why must the base of a logarithm be a positive real number not equal to 1? Ask Question Asked 11 years, 8 months ago Modified 5 years, 11 months ago
What is discrete logarithm? - Mathematics Stack Exchange
5 Iúil 2020 · The discrete Logarithm is just reversing this question, just like we did with real numbers - but this time, with objects that aren't necessarily numbers. For example, if $ {a\cdot …
What algorithm is used by computers to calculate logarithms?
I would like to know how logarithms are calculated by computers. The GNU C library, for example, uses a call to the fyl2x() assembler instruction, which means that logarithms are calculated …
The difference between log and ln - Mathematics Stack Exchange
5 Noll 2023 · Beware that $\log$ does not unambiguously mean the base-10 logarithm, but rather "the logarithm that we usually use". In many areas of higher mathematics, $\log$ means the …
When log is written without a base, is the equation normally …
In mathematics, $\log n$ is most often taken to be the natural logarithm. The notation $\ln (x)$ not seen frequently past multivariable calculus, since the logarithm base $10$ finds relatively …
Easy way to compute logarithms without a calculator?
14 Feabh 2016 · I would need to be able to compute logarithms without using a calculator, just on paper. The result should be a fraction so it is the most accurate. For example I have seen this in …
How to convert a logarithm from base 10 to base 2?
4 Iúil 2023 · How to convert the base $10$ logarithm to base $2$? The question didn't provide the value of the logarithm. The question is: "Given a logarithm in base 10, how can you use …