WebApr 14, 2024 · 最近在准备学习PyTorch源代码,在看到网上的一些博文和分析后,发现他们发的PyTorch的Tensor源码剖析基本上是0.4.0版本以前的。比如说:在0.4.0版本中,你 … WebJun 22, 2024 · Is there a way to use index_add with the index argument being more that 1-dimensional ? More especially, if I have a 2d-array that I want to fill not row by row or …
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WebApr 14, 2024 · 将index设置为 index = torch.tensor ( [0, 4, 2]) 即可 官方例子如下: x = torch.zeros(5, 3) t = torch.tensor([[1, 2, 3], [4, 5, 6], [7, 8, 9]], dtype=torch.float) index = torch.tensor([0, 4, 2]) x.index_copy_(0, index, t) 1 2 3 4 输出 tensor([[ 1., 2., 3.], [ 0., 0., 0.], [ 7., 8., 9.], [ 0., 0., 0.], [ 4., 5., 6.]]) 1 2 3 4 5 hjxu2016 码龄7年 企业员工 324 原创 4969 周排名 WebSep 18, 2024 · inds = tensor ( [ [0, 0], [1, 1], [1, 2]]) I want to add a scalar to z at those indexes (and do it efficiently): znew = z.something_add (inds, 3) -> znew = tensor ( [ [4., 1., 1., 1.], … oxb beaches
Pytorch实现中药材(中草药)分类识别(含训练代码和数据集)_AI吃大 …
WebJul 3, 2024 · Pytorch张量高阶操作 1.Broadcasting Broadcasting能够实现Tensor自动维度增加(unsqueeze)与维度扩展(expand),以使两个Tensor的shape一致,从而完成某些操作,主要按照如下步骤进行: 从最后面的维度开始匹配(一般后面理解为小维度); 在前面插入若干维度,进行unsqueeze操作; 将维度的size从1通过expand变到和某个Tensor相同 … WebApr 8, 2024 · PyTorch is an open-source deep learning framework based on Python language. It allows you to build, train, and deploy deep learning models, offering a lot of versatility and efficiency. PyTorch is primarily focused on tensor operations while a tensor can be a number, matrix, or a multi-dimensional array. WebApr 7, 2024 · Pytorch实现中药材 (中草药)分类识别 (含训练代码和数据集) 1. 前言 2. 中药材 (中草药)数据集说明 (1)中药材 (中草药)数据集:Chinese-Medicine-163 (2)自定义数据集 3. 中草药分类识别模型训练 (1)项目安装 (2)准备Train和Test数据 (3)配置文件: config.yaml (4)开始训练 (5)可视化训练过程 (6)一些优化建议 (7) 一些运行错误 … oxb discount code