• Thumbnail for Natural logarithm
    The natural logarithm of a number is its logarithm to the base of the mathematical constant e, which is an irrational and transcendental number approximately...
    36 KB (5,882 words) - 00:24, 18 December 2024
  • Thumbnail for Logarithm
    log x. The logarithm base 10 is called the decimal or common logarithm and is commonly used in science and engineering. The natural logarithm has the number e...
    98 KB (11,614 words) - 17:56, 21 December 2024
  • Thumbnail for E (mathematical constant)
    mathematical constant approximately equal to 2.71828 that is the base of the natural logarithm and exponential function. It is sometimes called Euler's number, after...
    54 KB (6,473 words) - 21:40, 16 December 2024
  • Thumbnail for Natural logarithm of 2
    In mathematics, the natural logarithm of 2 is the unique real number argument such that the exponential function equals two. It appears regularly in various...
    23 KB (3,129 words) - 16:21, 1 November 2024
  • Thumbnail for Exponential function
    {\displaystyle \exp(x+y)=\exp x\cdot \exp y} ⁠. Its inverse function, the natural logarithm, ⁠ ln {\displaystyle \ln } ⁠ or ⁠ log {\displaystyle \log } ⁠, converts...
    49 KB (6,957 words) - 12:21, 22 December 2024
  • Thumbnail for Common logarithm
    the common logarithm (aka "standard logarithm") is the logarithm with base 10. It is also known as the decadic logarithm, the decimal logarithm and the Briggsian...
    15 KB (1,898 words) - 02:38, 16 December 2024
  • Thumbnail for History of logarithms
    science and engineering until the 1970s. A breakthrough generating the natural logarithm was the result of a search for an expression of area against a rectangular...
    47 KB (5,448 words) - 23:55, 26 November 2024
  • positive values, this is equal to the derivative of ln(f), or the natural logarithm of f. This follows directly from the chain rule: d d x ln ⁡ f ( x...
    9 KB (1,350 words) - 02:15, 18 September 2024
  • Thumbnail for Napierian logarithm
    Napierian logarithm or Naperian logarithm, named after John Napier, is often used to mean the natural logarithm. Napier did not introduce this natural logarithmic...
    4 KB (530 words) - 13:24, 13 October 2023
  • Thumbnail for Taylor series
    we find the Maclaurin series of ln(1 − x), where ln denotes the natural logarithm: − x − 1 2 x 2 − 1 3 x 3 − 1 4 x 4 − ⋯ . {\displaystyle -x-{\tfrac...
    48 KB (8,253 words) - 14:55, 12 December 2024
  • Thumbnail for Complex logarithm
    In mathematics, a complex logarithm is a generalization of the natural logarithm to nonzero complex numbers. The term refers to one of the following, which...
    28 KB (4,658 words) - 03:46, 15 November 2024
  • Thumbnail for Binary logarithm
    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. The binary logarithm is the...
    40 KB (4,788 words) - 13:05, 29 December 2023
  • Thumbnail for Iterated logarithm
    the binary iterated logarithm, which iterates the binary logarithm (with base 2 {\displaystyle 2} ) instead of the natural logarithm (with base e). Mathematically...
    7 KB (746 words) - 02:59, 30 June 2024
  • Thumbnail for Boltzmann's entropy formula
    equal to 1.380649 × 10−23 J/K, and ln {\displaystyle \ln } is the natural logarithm function (or log base e, as in the image above). In short, the Boltzmann...
    13 KB (1,550 words) - 01:53, 31 March 2024
  • Thumbnail for Euler's formula
    {\displaystyle e^{ix}=\cos x+i\sin x,} where e is the base of the natural logarithm, i is the imaginary unit, and cos and sin are the trigonometric functions...
    26 KB (3,851 words) - 17:07, 26 November 2024
  • \over 3}-{1 \over 4}+{1 \over 5}-\cdots ,} which has a sum of the natural logarithm of 2, while the sum of the absolute values of the terms is the harmonic...
    78 KB (12,813 words) - 15:23, 23 December 2024
  • x i {\displaystyle x_{i}} is a sample point in each interval. The natural logarithm ln ⁡ ( 1 + x ) {\displaystyle \ln(1+x)} has a well-known Taylor series...
    43 KB (8,323 words) - 18:20, 15 December 2024
  • the natural logarithm function mapping the real numbers to themselves. The logarithm of a non-positive real is not a real number, so the natural logarithm...
    15 KB (2,055 words) - 02:36, 2 December 2024
  • Thumbnail for Exponentiation
    numbers b, in terms of exponential and logarithm function. Specifically, the fact that the natural logarithm ln(x) is the inverse of the exponential...
    103 KB (13,454 words) - 00:08, 25 December 2024
  • Thumbnail for Hyperbolic sector
    functions. The area of a hyperbolic sector in standard position is natural logarithm of b . Proof: Integrate under 1/x from 1 to b, add triangle {(0, 0)...
    7 KB (895 words) - 01:21, 10 December 2024
  • In mathematics, a logarithm of a matrix is another matrix such that the matrix exponential of the latter matrix equals the original matrix. It is thus...
    18 KB (2,982 words) - 10:28, 12 November 2024
  • Thumbnail for Mathematical table
    Wonderful Rule of Logarithms). The book contained fifty-seven pages of explanatory matter and ninety pages of tables related to natural logarithms. The English...
    13 KB (1,465 words) - 05:50, 22 December 2024
  • Binary logarithm Bode plot Henry Briggs Bygrave slide rule Cologarithm Common logarithm Complex logarithm Discrete logarithm Discrete logarithm records...
    3 KB (230 words) - 13:14, 17 December 2022
  • Thumbnail for Geometric mean
    calculated by taking the natural logarithm ⁠ ln {\displaystyle \ln } ⁠ of each number, finding the arithmetic mean of the logarithms, and then returning the...
    30 KB (4,387 words) - 20:37, 20 December 2024
  • Thumbnail for Leonhard Euler
    definition of the constant e {\displaystyle e} , the base of the natural logarithm, now known as Euler's number. Euler made contributions to applied...
    107 KB (10,919 words) - 01:49, 20 December 2024
  • Thumbnail for Half-life
    t_{1/2}={\frac {\ln(2)}{\lambda }}=\tau \ln(2)} where ln(2) is the natural logarithm of 2 (approximately 0.693).: 112  In chemical kinetics, the value...
    17 KB (2,180 words) - 12:41, 26 November 2024
  • on the chain rule as well as properties of logarithms (in particular, the natural logarithm, or the logarithm to the base e) to transform products into...
    7 KB (1,520 words) - 17:58, 26 February 2024
  • natural unit of information (symbol: nat), sometimes also nit or nepit, is a unit of information or information entropy, based on natural logarithms and...
    4 KB (402 words) - 20:59, 12 August 2024
  • Thumbnail for Optical depth
    In physics, optical depth or optical thickness is the natural logarithm of the ratio of incident to transmitted radiant power through a material. Thus...
    11 KB (1,598 words) - 20:00, 10 July 2024
  • Thumbnail for Tsiolkovsky rocket equation
    {\displaystyle g_{0}} is standard gravity; ln {\displaystyle \ln } is the natural logarithm function; m 0 {\displaystyle m_{0}} is the initial total mass, including...
    25 KB (4,348 words) - 05:10, 26 November 2024