示例

求长、宽或高
解题步骤 1
A matrix is a rectangular arrangement or array of elements. The dimensions of a matrix, , identify how many rows and columns a matrix has. represents the number of rows and represents the number of columns. Assuming that the matrix name is , the matrix dimensions are written as .
解题步骤 2
The number of rows is .
解题步骤 3
The number of columns is .
解题步骤 4
The given matrix has dimensions .
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