有限数学 示例

求出长、宽或高 b=[[-1,2,5,0],[-5,9,0,7],[9,12,8,-1],[8,-5,0,6]]
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 .