词条 | Fundamental matrix (linear differential equation) |
释义 |
In mathematics, a fundamental matrix of a system of n homogeneous linear ordinary differential equations is a matrix-valued function whose columns are linearly independent solutions of the system. Then every solution to the system can be written as , for some constant vector (written as a column vector of height n). One can show that a matrix-valued function is a fundamental matrix of if and only if and is a non-singular matrix for all .[1] Control theoryThe fundamental matrix is used to express the state-transition matrix, an essential component in the solution of a system of linear ordinary differential equations. References1. ^{{cite book |author=Chi-Tsong Chen |year=1998 |title=Linear System Theory and Design |edition=3rd |publisher=Oxford University Press |location=New York |isbn=978-0195117776}} See also
3 : Matrices|Differential calculus|Ordinary differential equations |
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