# coefficient

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## coefficient

1. Maths
a. a numerical or constant factor in an algebraic term
b. the product of all the factors of a term excluding one or more specified variables
2. Physics a value that relates one physical quantity to another

## Coefficient

a numerical factor in a literal expression, a known multiplier of an unknown quantity of any degree, or a constant multiplier of a variable quantity. Thus, in the monomial −¾ a2b3 the coefficient is −¾; in the equation x2 + 2px + q = 0 the coefficient of x2 is 1 and the coefficient of x is 2p; and in the formula for the circumference of a circle l = 2πr the coefficient is 2π. In the equation for a straight line y = kx + b, the number k, which expresses the tangent of the angle that the line makes with the Ox axis, is known as the slope. Many of the coefficients in formulas expressing physical laws have special names, for example, the coefficient of friction and the coefficient of light absorption.

## coefficient

[¦kō·ə′fish·ənt]
(mathematics)
A factor in a product.
References in periodicals archive ?
i] is an additional parameter representing the multiplicative factor for class-ij.
Hence, the tth output changes the number of permutations generated by at most a multiplicative factor of N/B + t, which can be bounded trivially by N(1 + log N).
While it might be impossible to provide exponential single-channel capacity growth in optical communication, multiplicative growth in optical communication capacity has satisfied traffic demand in the past, especially when dense wavelength-division multiplexing (DWDM) with a multiplicative factor on the order of 100 was invented.
It has been added to the PIPDCG model as a multiplicative factor of 0.
The second class methods perform shadow removing using multiplicative factors to the shadow pixels.

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