TeX Quellcode:

\begin{array}{crcrcrcr} \text{I} & -2\lambda_1 &-& 5\lambda_2 &-& 7\lambda_3 &=& 0 \cr \text{II} & -2\lambda_1 &+& 3\lambda_2 &+& \lambda_3 &=& 0 \cr \text{III} & 6\lambda_1 &-& \lambda_2 &+& 5\lambda_3 &=& 0 \cr \cr \text{I} & -2\lambda_1 &-& 5\lambda_2 &-& 7\lambda_3 &=& 0 \cr \text{I-II} & & & -8\lambda_2 &-& 8\lambda_3 &=& 0 \cr \text{3 I+III} & & & -16\lambda_2 &-& 16\lambda_3 &=& 0 \cr \cr \text{I} & -2\lambda_1 &-& 5\lambda_2 &-& 7\lambda_3 &=& 0 \cr \text{II'} & & & -8\lambda_2 &-& 8\lambda_3 &=& 0 \cr \text{2 II'-III'} & & & & & 0 &=& 0 \end{array}