线性代数
linear algebra
必修课
required course
核心基础课程
core foundation course
启发式教学
heuristic teaching
行列式
determinant
n阶行列式
order n determinant
离散化数值计算
discretization numerical calculation
有限维线性空间
finite dimensional linear space
线性方程组
systems of linear equations
伴随矩阵
adjoint matrix
增广矩阵
augmented matrix
对角矩阵
diagonal matrix
余子式
cofactor
代数余子式展开
algebraic cofactor expansion
等价向量
equivalent vector
对称变换
symmetric transformation
排列及其逆序数
permutation and its number of the inverse-orders
二次型
quadratic form
