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| WikiPedia definition of "characteristic" |
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In mathematics, the characteristic of a ring R, often denoted char(R), is defined to be the smallest number of times one must add the ring's multiplicative identity element (1) to ...
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Characteristic has several meanings: in mathematics characteristic function; Euler characteristic; characteristic (algebra) characteristic subgroup; method of characteristics ...
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In linear algebra, one associates a polynomial to every square matrix, its characteristic polynomial. This polynomial encodes several important properties of the matrix, most ...
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In mathematics, characteristic function can refer to any of several distinct concepts: The most common and universal usage is as a synonym for indicator function, that is the ...
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A light characteristic is a graphic and text description of a navigational light sequence or colour displayed on a nautical chart under the chart symbol for a lighthouse ...
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In mathematics, a characteristic class is a way of associating to each principal bundle on a topological space X a cohomology class of X. The cohomology class measures the extent ...
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In mathematics, a characteristic subgroup of a group G is a subgroup H that is invariant under each automorphism of G. That is, if φ : G → G is a group automorphism (a ...
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In probability theory, the characteristic function of any random variable completely defines its probability distribution. On the real line it is given by the following formula ...
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The characteristic impedance or surge impedance of a uniform transmission line, usually written Z 0, is the ratio of the amplitudes of a single pair of voltage and current waves ...
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In astrodynamics a characteristic energy () is a measure of the energy required for an interplanetary mission that requires attaining an excess orbital velocity over an escape ...
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