Research on the method and application of sparse and low-rank decomposition of matrix 并列题名：Research on the method and application of sparse and low-rank decomposition of matrix Research on the comparison and application of the inheritance division systems Research on the design and application of educational games Research on the theory and application of multi-industrial clusters stratagem Research on theory and method and application of synthetic risk analysis on flood disaster Research on the construction and application of translator's niche competency model Research on the thoery and application of smooth transition autoregressive mode Study on the preparation and application of Chinese national income accounting matrix