[數撚圍爐區] 理想與現實 (11)
吾不懂數學
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有冇咁反胃，都係standard嘢啫
https://en.m.wikipedia.org/wiki/Jordan_normal_form
Let V be a vector space over a field K. Then a basis with respect to which the matrix has the required form exists if and only if all eigenvalues of the matrix lie in K, or equivalently if the characteristic polynomial of the operator splits into linear factors over K.
Let V be a vector space over a field K. Then a basis with respect to which the matrix has the required form exists if and only if all eigenvalues of the matrix lie in K, or equivalently if the characteristic polynomial of the operator splits into linear factors over K.
