矩阵的分解与应用_数学毕业论文_毕业论文网 关键词：低秩逼近；矩阵的LU分解；奇异值分解 ；应用 [gap=1071]Key words: the low rank approximation; LU Decomposition of matrix; SVD; application
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In this paper, a new digital watermarking algorithm based on LU decomposition of matrix is proposed.
该文提出了一种新的基于矩阵lu分解的数字水印算法。
Floating point representation, Gaussian elimination with partial pivoting, scaling of computations with matrix size, banded and tri-diagonal systems, LU decomposition.
浮点数表示法，含部份换轴之高斯消去法，使用矩阵大小之计算尺度调整，带状及三角对角系统，LU分解。
LU decomposition is a triangular decomposition approach of non-singular matrix, and the digital image can be seen as a matrix.
LU分解是一种将非奇异矩阵进行三角分解的方法，而数字图像也可以看作矩阵。
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