Secular equation

Secular equation has several meanings.

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In mathematics and numerical analysis, it implies characteristic equation. See also characteristic polynomial.

Related Topics:
Mathematics - Numerical analysis - Characteristic equation - Characteristic polynomial

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Speaking of the other usage in numerical analysis, it is an extension of characteristic equation. See also secular function.

Related Topics:
Numerical analysis - Characteristic equation - Secular function

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In astronomy, it is the algebraic or numerical expression of the magnitude of the inequalities in a planet's motion that remain after the inequalities of a short period have been allowed for.

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In molecular orbital calculations relating to the energy of the electron and its wave function, it is also used instead of the characteristic equation.

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