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2. Log–log plot - Wikipedia

   en.wikipedia.org/wiki/Log–log_plot

   A log–log plot of y = x (blue), y = x 2 (green), and y = x 3 (red). Note the logarithmic scale markings on each of the axes, and that the log x and log y axes (where the logarithms are 0) are where x and y themselves are 1. Comparison of linear, concave, and convex functions when plotted using a linear scale (left) or a log scale (right).

3. Logarithm - Wikipedia

   en.wikipedia.org/wiki/Logarithm

   The logarithm log b x can be computed from the logarithms of x and b with respect to an arbitrary base k using the following formula: [nb 2] ⁡ = ⁡ ⁡. Typical scientific calculators calculate the logarithms to bases 10 and e. [5]

4. Logarithmic scale - Wikipedia

   en.wikipedia.org/wiki/Logarithmic_scale

   Semi-log plot of the Internet host count over time shown on a logarithmic scale. A logarithmic scale (or log scale) is a method used to display numerical data that spans a broad range of values, especially when there are significant differences between the magnitudes of the numbers involved.

5. Fold change - Wikipedia

   en.wikipedia.org/wiki/Fold_change

   However, log-ratios are often used for analysis and visualization of fold changes. The logarithm to base 2 is most commonly used, [8] [9] as it is easy to interpret, e.g. a doubling in the original scaling is equal to a log 2 fold change of 1, a quadrupling is equal to a log 2 fold change of 2 and so on.

6. Binary logarithm - Wikipedia

   en.wikipedia.org/wiki/Binary_logarithm

   An easy way to calculate log 2 n on calculators that do not have a log 2 function is to use the natural logarithm (ln) or the common logarithm (log or log 10) functions, which are found on most scientific calculators. To change the logarithm base to 2 from e, 10, or any other base b, one can use the formulae: [50] [53]

7. Log-normal distribution - Wikipedia

   en.wikipedia.org/wiki/Log-normal_distribution

   In hydrology, the log-normal distribution is used to analyze extreme values of such variables as monthly and annual maximum values of daily rainfall and river discharge volumes. [ 78 ] The image on the right, made with CumFreq , illustrates an example of fitting the log-normal distribution to ranked annually maximum one-day rainfalls showing ...

8. Common logarithm - Wikipedia

   en.wikipedia.org/wiki/Common_logarithm

   In mathematics, the common logarithm (aka "standard logarithm") is the logarithm with base 10. [1] It is also known as the decadic logarithm , the decimal logarithm and the Briggsian logarithm . The name "Briggsian logarithm" is in honor of the British mathematician Henry Briggs who conceived of and developed the values for the "common logarithm".

9. Complex logarithm - Wikipedia

   en.wikipedia.org/wiki/Complex_logarithm

   A single branch of the complex logarithm. The hue of the color is used to show the argument of the complex logarithm. The brightness of the color is used to show the modulus of the complex logarithm. The real part of log(z) is the natural logarithm of | z |. Its graph is thus obtained by rotating the graph of ln(x) around the z-axis.