The branch of algebra that deals with quadratic equations 二次方程式论处理二次方程式的代数学的分支
The linear algebra as a branch of mathematics is the science , which takes matrix theories as center and limited dimension vector space combining with matrix , namely the theories of the linear space and linear transformation , as the object 线性代数是代数学的一个分支,它以矩阵理论为中心,以与矩阵结合的有限维向量空间即线性空间和线性变换的理论为对象的一门科学。