1st stage: java primary-primary

1. Let T is a linear space on the digital domain K

The linear transformation of $V^{n}$ , and a certain number in K $\lambda_{0}$ , existence of non -zero vector $x\epsilon V^{n}$ , so

Established, it is called $\lambda _{0}$ is the feature value of T, X is the belonging to the belt $\lambda _{0}$ The feature vector

2, feature matrix $\lambda I-A$

3. The ranks of the characteristic matrix of the characteristic polynomial A $\det\letf(\lambda I-A)$

4. The geometric significance of the N feature values of n*n matrix A on the plural domain is n points on the plane

5. Estimation of feature value

update. Essence Essence

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