AttributeError的:“CrossEntropyLoss”对象有没有属性“落后”
问题描述:
我试图培养一个非常基本的CNN上CIFAR10数据集,并得到以下错误: AttributeError的:“CrossEntropyLoss”对象有没有属性“落后”AttributeError的:“CrossEntropyLoss”对象有没有属性“落后”
criterion =nn.CrossEntropyLoss
optimizer=optim.SGD(net.parameters(),lr=0.001,momentum=0.9)
for epoch in range(2): # loop over the dataset multiple times
running_loss = 0.0
for i, data in enumerate(trainloader, 0):
# get the inputs
inputs, labels = data
# wrap them in Variable
inputs, labels = Variable(inputs), Variable(labels)
# zero the parameter gradients
optimizer.zero_grad()
# forward + backward + optimize
outputs = net(inputs)
loss = criterion(outputs, labels)
loss.backward()
optimizer.step()
# print statistics
running_loss += loss.data[0]
if i % 2000 == 1999: # print every 2000 mini-batches
print('[%d, %5d] loss: %.3f' %
(epoch + 1, i + 1, running_loss/2000))
running_loss = 0.0
答
问题已解决。我的错误,我遗漏了圆括号
criterion =nn.CrossEntropyLoss()