import torch

import numpy as np

print(torch.tensor([1,2,3]))

print(torch.tensor(np.arange(15).reshape(3,5)))

print(torch.empty([3,4]))

print(torch.ones([3,4]))

print(torch.zeros([3,4]))

#0-1之间的随机数

print(torch.rand([2,3]))

#3-10之间的随机整数

print(torch.randint(3,10,(2,2)))

#正态分布，均值为0，方差为1

print(torch.randn([3,4]))

D:\anaconda\python.exe C:/Users/liuxinyu/Desktop/pytorch_test/day1/tensor.py

tensor([1, 2, 3])

tensor([[ 0,  1,  2,  3,  4],

        [ 5,  6,  7,  8,  9],

        [10, 11, 12, 13, 14]], dtype=torch.int32)

tensor([[0., 0., 0., 0.],

        [0., 0., 0., 0.],

        [0., 0., 0., 0.]])

tensor([[1., 1., 1., 1.],

        [1., 1., 1., 1.],

        [1., 1., 1., 1.]])

tensor([[0., 0., 0., 0.],

        [0., 0., 0., 0.],

        [0., 0., 0., 0.]])

tensor([[0.5792, 0.9149, 0.3303],

        [0.6756, 0.5236, 0.0648]])

tensor([[9, 3],

        [4, 7]])

tensor([[ 1.2060, -0.8728, -0.6619,  1.2589],

        [-0.8896, -0.1648, -0.0978, -0.8487],

        [ 0.2621,  0.9406,  0.0079,  0.0284]])

Process finished with exit code 0