model.fc = nn.Linear是什么
时间: 2023-10-14 10:04:18 浏览: 151
mfc做的线性表
model.fc = nn.Linear是将模型的全连接层(fc)替换为一个线性层(nn.Linear)。在深度学习中,全连接层是神经网络中的一种常见层类型,它将输入数据与权重进行线性组合,并添加一个偏置项(bias),从而得到输出。nn.Linear实现了这个线性组合的功能,可以实现输入与权重之间的加权和求和操作。具体地说,nn.Linear可以实现形如y = X * weight^T + bias的计算,其中X是输入数据,weight是权重,bias是偏置项。这样的操作可以帮助模型学习输入数据的特征,并进行分类或回归任务。<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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