Matrix inverse operation method
A matrix inversion and calculation method technology, applied in complex mathematical operations, etc., can solve problems such as calculation failure, affecting calculation accuracy and correctness, and achieve the effect of improving utilization, improving calculation accuracy and correctness, and improving operation efficiency
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[0041] The matrix inversion operation method of the present invention will be described in detail below with reference to the drawings in the embodiments of the present invention.
[0042] The matrix inversion is divided into three steps, which are column-selected pivot LU decomposition, triangular matrix inversion, and matrix multiplication. A state machine is used to control the sequence, and by controlling the multiplexer, time-division multiplexes computing resources and storage resources. , the overall structure is as figure 1 .
[0043] (1) Column selection pivot LU decomposition
[0044] Part of the calculation matrix A is decomposed by pivoting element LU: PA=LU, where P is a permutation matrix, L is a unit lower triangular matrix (diagonal elements are 1), and U is an upper triangular matrix. The permutation matrix P is the rearranged matrix of the rows of the unit matrix. Each row and column has one and only one element that is 1, so it only needs to be represented...
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