NEW STEP BY STEP MAP FOR BACKPR

输出层偏导数：首先计算损失函数相对于输出层神经元输出的偏导数。这通常直接依赖于所选的损失函数。This method is often as clear-cut as updating several strains of code; it also can require a major overhaul that may be distribute throughout numerous information on the code.In the latter case, applying a bac