pytorch的linspace, rand, randn, normal

标签：图片   points   inf   alt   orm   nbsp   tor   number   png   

torch.linspace

torch.linspace(start, end, steps) returns a one-dimensional tensor of equally spaced points between [start, end]。steps默认值是100。

torch.rand

 torch.rand(size) returns a tensor filled with random numbers from a uniform distribution on the interval [0, 1).

torch.randn

torch.randn(size) returns a tensor filled with random numbers from a normal distribution with mean `0` and variance `1` (also called the standard normal distribution).

torch.normal

torch.normal returns a tensor of random numbers drawn from separate normal distributions whose mean and standard deviation are given.

The arguments `mean` is a tensor with the mean of each output element‘s normal distribution.

The arguments `std` is a tensor with the standard deviation of each output element‘s normal distribution.

torch.normal的参数给定方法有很多种：

第一种：给定mean (Tensor)和std (Tensor)

 第二种：给定mean(float)和std (Tensor)

第三种：给定mean (Tensor)和std (float)，std也可不给，若不给定，则默认为1.0

 第四种：给定mean (float)、std (float)和size(int...)

 参考文献：PyTorch帮助文档

pytorch的linspace, rand, randn, normal

标签：图片   points   inf   alt   orm   nbsp   tor   number   png   

原文地址：https://www.cnblogs.com/picassooo/p/12344992.html