这里直接将CNN常见到的Epoch，iteration和batch_size一起介绍一下吧 Epoch， Batch Size 和 Iteration 举个例子：将10kg的面粉使用面条加工机 (每次只能处理2kg)，加工成10kg的面条。首先得把10kg …

75 I received a line of code from someone who answered one of my questions, but I am confused: what do the "&&" do in this batch file.

为什么要有batch size？ 批量大小（batch size）是指在训练神经网络时，每次迭代用于计算梯度和更新网络权重的样本数量。 例如，如果训练数据为1000，batch_size = 10, 那么遍历完所有数据集需要进 …

Dec 21, 2021 · How does && work in a Batch File? && will execute the next command when the previous command returns 0 || will execute the next command when the previous command returns …

iterations iterations（迭代）：每一次迭代都是一次权重更新，每一次权重更新需要batch_size个数据进行Forward运算得到损失函数，再BP算法更新参数。 1个iteration等于使用batchsize个样本训练一次。 …

Apr 22, 2013 · I have seen the usage of %* in batch files and command lines. Can someone explain the typical usage of %* with an example?

Jun 18, 2012 · I have a question about if - else structure in a batch file. Each command runs individually, but I couldn't use "if - else" blocks safely so these parts of my programme doesn't work. …

It's the same as 'if "%1" == "" goto somewhere', except that will fail in batch files, because "" evaluates to nothing and the whole sentence reduces to 'if %1 == goto somewhere'. I prefer X, since ! makes you …

Feb 1, 2025 · How would you implement logical operators in Windows batch files?

1 It's a variable. That particular example uses the directory option of a FOR loop, iterating through the directories and assigning them to %%A. That's also not a command-line example, but a batch file …