原文: "A simple consequence of the Cauchy-Schwartz inequality is that the more row of matrix M that a particular vector v is constrained to be orthogonal to, the larger its norm. " 意思大概是:如果矩阵M中与向量v正交的行数越多,则由柯西-许瓦兹不等式可得向量v的范数越大。请问:指的是向量v的范数越大吗? 如何由C-S不等式得到这个结论的??谢谢了!!