PyTorch : Neural Network with 2D Data

import libraries import numpy as np import torch import torch.nn as nn import torch.optim as optim import torch.nn.init as init from torch.autograd import Variable from visdom import Visdom viz = Visdom() 데이터 생성 num_data=1000 num_epoch=10000 x = init.uniform(torch.Tensor(num_data,1),-10,10) y = init.uniform(torch.Tensor(num_data,1),-10,10) z = x**2 + y**2 x_noise = x + init.normal(torch.FloatTensor(num_data,1),std=0.5) y_noise = y + init.normal(torch.FloatTensor(num_data,1),std=0.5) z_noise = x_...