An accurate and stable algorithm, QR Decomposition algorithm (QRDA) is initially presented into the chemistry field. The basic principle of QR multivariate calibration algorithm (QRMCA) is investigated, and the comple...
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An accurate and stable algorithm, QR Decomposition algorithm (QRDA) is initially presented into the chemistry field. The basic principle of QR multivariate calibration algorithm (QRMCA) is investigated, and the complexes system of sodium tripolyphosphate (STPP), sodium sulfate (SS), and sodium Carbonate (SC) with serious overlapping absorption peaks is analyzed by QRMCA. According to our survey, QRDA can avoid matrix inverting, reduce the orders of matrixes, and speed up the operation of matrices. So, it has bright prospects in chemometrics. The process of the QR Decomposition algorithm (QRDA) was implemented by an orthogonal and upper triangular matrix decomposition that is robust and convenient. Then it was applied to overcome the problem of overlapping spectra of different components in detergent-washing powder.
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