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关于n维单形的一个不等式 总被引:9,自引:0,他引:9
Let x1,x2… ,xn are vectors set out from any vertex of n-simplex. The ineluded angle of xi and xj is aij , and G=(?)aij, the volume of this simplex is V. In this paper, we prove the inequality as below:(?) When n=2, the equality holds in (*) , when n≥3, the equality holds in (*) if {xi} is orthogonal set. 相似文献
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