what is the real matrix of the Sberling equation?Sberling equationX=c1α1+c2α2+…+Cn-rαn-r.

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what is the real matrix of the Sberling equation?
Sberling equation
X=c1α1+c2α2+…+Cn-rαn-r.

定义 n元二次多项式f(x1,x2,…,xn)=∑ aijxixj称为二次型,若aij=0(i≠j),则称为二交型的标准型.

什么是真正的矩阵的sberling方程?