提交 7f27b2f0 编写于 作者: A Aston Zhang

math

上级 7d860d78
......@@ -13,5 +13,3 @@ $$\nabla_\mathbf{x} f(\mathbf{x}) = \bigg[\frac{\partial f(\mathbf{x})}{\partial
为表示简洁,我们有时用$\nabla f(\mathbf{x})$代替$\nabla_\mathbf{x} f(\mathbf{x})$。
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