Matrix decomposition is an important tool for matrix computation.

矩阵分解是矩阵计算的重要工具。

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It is demonstrated by an example that the proposed algorithm can find all canonical groups without triangle decomposition and heightens the precision and decreases the complexities of computation.

实例验证表明：该算法不通过三角分解就能够找出所有的规范模糊组，提高了计算精度，同时也降低了计算复杂度。

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Mixed image cells decomposition algorithm based on principle component analysis is a widely used algorithm, but the large computation amount and less flexibility are its main drawbacks.

基于主分量分析的混合像元分解算法是一种较为成熟的算法，但它存在着计算量大，适应性差等缺点。

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