Matrix Concepts Flashcards

矩阵 - A rectangular array of numbers or symbols arranged in rows and columns.

行列式 - A scalar value that is a function of the entries of a square matrix.

方阵 - A matrix with the same number of rows and columns.

零矩阵 - A matrix in which all the elements are zero.

行矩阵 - A matrix with only one row.

列矩阵 - A matrix with only one column.

对角矩阵 - A square matrix in which all the elements outside the main diagonal are zero.

单位矩阵 - A square matrix with ones on the main diagonal and zeros elsewhere.

数量矩阵 - A diagonal matrix in which all the diagonal elements are the same.

上三角矩阵 - A square matrix where all the entries below the main diagonal are zero.