是秩為4吧
規(guī)范型為 y1^2+y2^2+y3^2 - y4^2
設(shè)實二次型f(X1,X2,X3,X4,X5)的序為4,正慣性指數(shù)為3,則其規(guī)范形為?
設(shè)實二次型f(X1,X2,X3,X4,X5)的序為4,正慣性指數(shù)為3,則其規(guī)范形為?
物理人氣:413 ℃時間:2020-06-21 14:07:40
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