What algorithm is used by computers to calculate logarithms?
86 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 …
What is the point of logarithms? How are they used?
Logarithms are defined as the solutions to exponential equations and so are practically useful in any situation where one needs to solve such equations (such as finding how long it will take …
Easy way to compute logarithms without a calculator?
Feb 14, 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 …
When do we use common logarithms and when do we use natural …
May 14, 2021 · 3 Currently, in my math class, we are learning about logarithms. I understand that the common logarithm has a base of 10 and the natural has a base of e. But, when do we use …
logarithms - Units of a log of a physical quantity - Mathematics …
Nov 16, 2012 · The units remain the same, you are just scaling the axes. As an analogy, plotting a quantity on a polar chart doesn't change the quantities, it just 'warps' the display in some …
Why can the base of a logarithm not be negative? [duplicate]
Sep 27, 2021 · So in most applications, we refuse to use negative bases. HOWEVER, just because the concept of "logarithm" isn't a function on the complex plane, does not mean that …
Logarithms with negative bases for real numbers
Oct 29, 2021 · It is in that scenario that I have always only understood logarithms as defined for positive numbers, although there seems to be solutions for negative bases. My apologies if …
Calculate logarithms by hand - Mathematics Stack Exchange
For base 10 logarithms, you can do the conversion by dividing your natural logarithms by ln (10), which you can also find quickly by the above method.
Why don't logarithms work here? - Mathematics Stack Exchange
Another (personal) remark: why would one use logarithms to solve this inequality? Just because it is possible to solve this question, doesn't mean that one should do it (you can see that a …
What is the intuitive reasoning behind the "change of base" …
John Napier explicitly used the parallel relationship between arithmetic progressions and geometric progressions as his working definition of logarithms and to construct his logarithm …