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Update 2.1.2-pytorch-basics-autograd.ipynb
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hengtao tantai 2021-10-09 10:01:46 +08:00 committed by GitHub
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"source": [
"返回很多，我们直接排除掉一些Python中特殊方法（以__开头和结束的）和私有方法（以_开头的，直接看几个比较主要的属性：\n",
"`.is_leaf`：记录是否是叶子节点。通过这个属性来确定这个变量的类型\n",
"在官方文档中所说的“graph leaves”，“leaf variables”，都是指像`x`，`y`这样的手动创建的、而非运算得到的变量，这些变量成为创建变量。\n",
"在官方文档中所说的“graph leaves”，“leaf variables”，都是指像`x`，`y`这样的手动创建的、而非运算得到的变量，这些变量称为创建变量。\n",
"像`z`这样的，是通过计算后得到的结果称为结果变量。\n",
"\n",
"一个变量是创建变量还是结果变量是通过`.is_leaf`来获取的。"