• 2022-06-29
    矩阵用下列哪个函数生成( )。
    A: array( )
    B: data.frame( )
    C: list( )
    D: matrix( )
  • D

    内容

    • 0

      data.frame()函数输出的是一个数据矩阵。

    • 1

      单选题 () is a fixed-size, sequenced collection of elements of the same data type. A: An array B: A record C: A linked list D: A variable

    • 2

      14 In triple sequence table of sparse matrix, each triple represents ( ). A: the row number,column number and data value of non-zero elements in the matrix B: the data value of non-zero elements in the matrix C: the row and column numbers of elements in the matrix D: the row number,column number and data value of elements in the matrix

    • 3

      利用MATLAB生成随机矩阵是下列哪个函数( ) A: eyes(); B: zeros(); C: ones(); D: rand()

    • 4

      矩阵的创建可以用哪些函数( ) A: matrix() B: dim() C: ind() D: cbind()