This paper spreads the notion of inversion of matrix and defines the inversion of rectangular matrix, accompanied by the discussion of its properties.

推广了矩阵的逆的概念，给出了长方矩阵的逆的定义，讨论了长方矩阵的逆的几个性质，给出了求长方矩阵的一个逆的方法。

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A rectangular arrangement of quantities in rows and columns, as in a matrix.

数组量数横为行，纵为列的矩形排列，如矩阵中。

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A stiffness matrix of simple rectangular plate bending element with 12 parameters expressed in explicit form is derived.

推导了以显式表示的12个自由度的简单矩形板弯曲元素刚度矩阵。

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To the right lies a grid of icons, on the Z10 arranged in a 4 x 4 matrix of rectangular tiles, each holding an app icon and a name.

ENGADGET: BlackBerry 10 OS review Mobile