logarithm Definition
loga·rithm (lôg′ə rit̸h′əm, läg′-)
noun
Math. the exponent expressing the power to which a fixed number (the base) must be raised in order to produce a given number (the antilogarithm): logarithms computed to the base 10 are often used for shortening mathematical calculations
Etymology: ModL logarithmus < Gr logos, a word, proportion, ratio (see logic) + arithmos, number (see arithmetic)
logarithm Related Forms
log′a·rith′·mic adjective
log′a·rith′·mi·cally adverb
logarithm (log) Telecom Definition
See log.
logarithm Usage Examples
Preposition: of
- ratio: PAM matrices contain, for a given PAM distance, the negative logarithms of this ratio for each amino acid pair.
- number: He published his full theory of logarithms of complex numbers in 1751.
- value: Log If this radio button is selected, pie size is based on a logarithm of the attribute values.
- time: Records always increase ( as the logarithm of the time over which they are kept ).
- frequency: The axis data must be the common logarithm of frequency in Hertz.
- amplitude: The magnitude value is proportional to the logarithm of the amplitude of the strongest wave during an earthquake.
Converse of object
- take: The commonest method of normalization is to take the logarithm of all the values.
- use: Homework Once the children come home, Dad supervises the homework, using logarithms invented by John Napier of Edinburgh.
- invent: Homework Once the children come home, Dad supervises the homework, using logarithms invented by John Napier of Edinburgh.
- represent: The values represent the approximate logarithm of the flux density.
- add: Logarithms are ' traditionally ' used for multiplication ( by adding the logarithms ) and division ( by subtracting the logarithms ).
- give: LN A function giving the natural logarithm of its argument.
Adjective modifier
- discrete: In fact GAP supports finite fields with elements represented via discrete logarithms only up to a given size.
- natural: Returns: the value ln a, the natural logarithm of a.
- negative: The pH scale is the negative logarithm of the hydrogen ion content of water.
- common: The axis data must be the common logarithm of frequency in Hertz.
Modifies a noun
- function: The number of sides grew like the logarithm function.
- base: We actually had functions to use if you really wanted to use the natural logarithm base, but they were all uppercase.
- problem: With a reduction from the discrete logarithm problem to Gauss sum estimation we also give evidence that this problem is hard for classical algorithms.
- table: During his reign the Authorized Version of the Bible was published and the Scot, Napier, devised logarithm tables.
Browse dictionary entries near logarithm
- ‹ logania
- ‹ loganberry
- ‹ Logan
- ‹ -log
- ‹ Log Subsystem
- ‹ log
- ‹ lofty
- ‹ Lofting
- ‹ loft bed
- ‹ loft
- logbook ›
- loge ›
- Logfiles ›
- logger ›
- loggerhead ›
- loggerhead shrike ›
- loggia ›
- logging ›
- Logging In ›
- logia ›

