Matrix Basics for Grade 13

Front

Matrix

Back

矩阵

Rectangular array of numbers

Front

Determinant

Back

行列式
Scalar value from square matrix

Front

Square Matrix

Back

方阵

Matrix with equal rows and columns

Front

Zero Matrix

Back

零矩阵

Matrix with all elements as zero

Front

Diagonal Matrix

Back

对角矩阵

Non-zero diagonal, rest zero

Front

Identity Matrix

Back

单位矩阵

Diagonal of ones, rest zero

Front

Upper Triangular Matrix

Back

上三角矩阵

Non-zero above diagonal

Front

Lower Triangular Matrix

Back

下三角矩阵

Non-zero below diagonal

Front

Symmetric Matrix

Back

对称矩阵

Matrix equals its transpose

Front

Matrix Addition

Back

矩阵加法

Sum of corresponding elements