Information about Complement

Compliment may be

• An expression of praise, congratulation or encouragement.
• A misspelling for complement, meaning something which makes the original object complete.

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The two's complement of a binary number is defined as the value obtained by subtracting the number from a large power of two (specifically, from 2^N for an N-bit two's complement).
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In computational complexity theory, the complement of a decision problem is the decision problem resulting from reversing the yes and no answers. Equivalently, if we define decision problems as sets of finite strings, then the complement of this set over some
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A complementary good or complement good in economics is a good which is consumed with another good; its cross elasticity of demand is negative. This means that, if goods A and B were complements, more of good A being bought would result in more of good B also being bought.
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In grammar the term complement is used with different meanings. The core meaning of complement is a word, phrase or clause which is necessary in a sentence to complete its meaning. We find complements which function as a sentence element (i.e.
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Complement has a variety of uses in mathematics:

• complement, an operation that transforms an integer into its additive inverse, useful for subtracting numbers when only addition is possible, or is easier

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In traditional music theory a complement is the interval which, when added to the original interval, spans an octave in total. For example, a major 3rd is the complement of a minor 6th.
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Complementary colors are pairs of colors that are of “opposite” hue in some color model. The exact hue “complementary” to a given hue depends on the model in question, and perceptually uniform, additive, and subtractive color models, for example, have
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In physics, two experimental techniques are often called complementary if they investigate the same subject in two different ways such that two different (ideally non-overlapping) properties or aspects can be investigated.
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In mathematics and computing, the method of complements is a technique used to subtract one number from another using only addition of positive numbers. This method was commonly used in mechanical calculators and is still used in modern computers.
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In languages written in cuneiform, a phonetic complement was a sign used to resolve ambiguities. For example, the Sumerian word KUR could mean hill or country. In Akkadian, hill and country were different words.
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complement system is a biochemical cascade which helps clear pathogens from an organism. It is one part of the larger immune system.

The complement system consists of a number of small proteins found in the blood, normally circulating as inactive zymogens.
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complementary DNA (cDNA) is DNA synthesized from a mature mRNA template in a reaction catalysed by the enzyme reverse transcriptase. cDNA is often used to clone eukaryotic genes in prokaryotes.
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complementarity is a property of double-stranded nucleic acids such as DNA and RNA as well as DNA:RNA duplexes. Each strand is complementary to the other in that the base pairs between them are non-covalently connected via two or three hydrogen bonds.
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complementation refers to a relationship between two different strains of an organism which both have homozygous recessive mutations that produce the same phenotype (for example, a change in wing structure in flies).
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