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characteristic equation

[ kar-ik-tuh-ris-tik i-kwey-zhuhn, -shuhn ]

noun

  1. Mathematics.
    1. the characteristic polynomial of a given matrix, equated to zero.
    2. Also called aux·il·ia·ry e·qua·tion [awg-, zil, -y, uh, -ree i-, kwey, -zh, uh, n, -sh, uh, n, -, zil, uh, -]. an equation with one variable and equated to zero, which is derived from a given linear differential equation and in which the coefficient and power of the variable in each term correspond to the coefficient and order of a derivative in the original equation.


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Word History and Origins

Origin of characteristic equation1

First recorded in 1920–25
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Example Sentences

In the next place apply the surface characteristic equation to any point on a charged conductor at which the surface density is σ.

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characteristic curvecharacteristic function