Reciprocation may refer to:
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Reciprocating motion
Reciprocating motion, also called reciprocation, is a repetitive up-and-down or back-and-forth linear motion. It is found in a wide range of mechanisms, including reciprocating engines and pumps. The two opposite motions that comprise a single ...
, a type of oscillatory motion, as in the action of a reciprocating saw
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Reciprocation (geometry)
In geometry, a pole and polar are respectively a point and a line that have a unique reciprocal relationship with respect to a given conic section.
Polar reciprocation in a given circle is the transformation of each point in the plane into it ...
, an operation with circles that involves transforming each point in plane into its polar line and each line in the plane into its pole
* Reciprocation, application of the reciprocal function, see
multiplicative inverse
In mathematics, a multiplicative inverse or reciprocal for a number ''x'', denoted by 1/''x'' or ''x''−1, is a number which when multiplied by ''x'' yields the multiplicative identity, 1. The multiplicative inverse of a fraction ''a''/''b ...
See also
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Reciprocity (disambiguation)
Reciprocity may refer to:
Law and trade
* Reciprocity (Canadian politics), free trade with the United States of America
** Reciprocal trade agreement, entered into in order to reduce (or eliminate) tariffs, quotas and other trade restrictions on ...
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Reciprocal (disambiguation)
Reciprocal may refer to:
In mathematics
* Multiplicative inverse, in mathematics, the number 1/''x'', which multiplied by ''x'' gives the product 1, also known as a ''reciprocal''
* Reciprocal polynomial, a polynomial obtained from another pol ...
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