zpainter的博客

1.Cauchy–Schwarz inequalityThe Cauchy–Schwarz inequality states that for all vectors and  of an inner product space it is true that   is the inner product.Equivalently, by taking the square ...

文章目录向量范数$L_0$范数$L_1$范数$L_2$范数$\infty$-范数$p$ 范数矩阵范数1-范数2-范数$\infty$ 范数核范数F-范数（矩阵的$L_2$范数）矩阵的$L_0$范数矩阵的$L_1$范数矩阵的$L_{2,1}$范数向量范数L0L_0L0​范数∥x∥0=∑∣xi∣0\|x\|_0=\sum|x_i|^0∥x∥0​=∑∣xi​∣0非零元素个数如果我们使用L...