Top "Logarithm" questions

The logarithm of a number is the exponent by which another fixed value, the base, has to be raised to produce that number.

Logarithm Algorithm

I need to evaluate a logarithm of any base, it does not matter, to some precision. Is there an algorithm …

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Big O notation Log Base 2 or Log Base 10

When articles/question state that the Big O running time of the algorithm is O(LogN) . For example Quicksort has …

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What is the difference between 'log' and 'symlog'?

In matplotlib, I can set the axis scaling using either pyplot.xscale() or Axes.set_xscale(). Both functions accept three …

python matplotlib scale logarithm
Logarithmic slider

I have a slider with values ranging from 0 to 100. I want to map them to a range from 100 to 10,000,000. I've …

javascript slider logarithm
Big O confusion: log2(N) vs log3(N)

Why is O(log2N) = O(log3N) ? I don't understand this. Does big O not mean upper bound of …

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What is O(log* N)?

What is O(log* N) and how is it different from O(log N)?

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Fitting logarithmic curve in R

If I have a set of points in R that are linear I can do the following to plot the …

r curve-fitting linear-regression logarithm
semilog plots with hold on

If I try to plot multiple plots with a logarithmic axis, the log scale is disabled. If I remove the …

matlab plot logarithm
I need help proving that if f(n) = O(g(n)) implies 2^(f(n)) = O(2^g(n)))

In a previous problem, I showed (hopefully correctly) that f(n) = O(g(n)) implies lg(f(n)) = O(lg(…

big-o logarithm proof
Logarithm of a BigDecimal

How can I calculate the logarithm of a BigDecimal? Does anyone know of any algorithms I can use? My googling …

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