Even though two-dimensional arrays are similar to matrices from linear algebra, operations (such as multiply) have nothing to do with the operations in linear algebra (such as matrix multiplication).
虽然二维数组与线性代数中的矩阵类似，但是对它们的操作(比如乘)与线性代数中的操作(比如矩阵乘)是完全不同的。
Inspired by the computation of one and two dimensional image moments, a new fast computation algorithm is proposed, which realizes multi-nest by multiplication of matrices.
受一维和二维图像矩的计算启发，提出了一种新的快速计算方法，利用矩阵相乘实现多重循环。
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