pytorch在torch.nn.init中提供了常用的初始化方法函数,这里简单介绍,方便查询使用. 介绍分两部分: 1. Xavier,kaiming系列: 2. 其他方法分布 Xavier初始化方法,论文在<Understanding the difficulty of training deep feedforward neural networks> 公式推导是从“方差一致性”出发,初始化的分布有均匀分布和正态分布两种. 1. Xavier均匀分布 torch.nn.init.xavi
global p global t global R % 输入神经元个数,此处是6个 global S1 % 隐层神经元个数,此处是10个 global S2 % 输出神经元个数,此处是4个 global S % 连接权值个数+阈值个数即(6*10+10*4)+(10+4) S1 = 10; p = [0.01 0.01 0.00 0.90 0.05 0.00; 0.00 0.00 0.00 0.40 0.50 0.00; 0.80 0.00 0.10 0.00 0.00 0.00; 0.00
Wormholes Time Limit: 2000 MS Memory Limit: 65536 KB 64-bit integer IO format: %I64d , %I64u Java class name: Main [Submit] [Status] [Discuss] Description While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A w
Description While exploring his many farms, Farmer John has discovered a number of amazing wormholes. A wormhole is very peculiar because it is a one-way path that delivers you to its destination at a time that is BEFORE you entered the wormhole! Eac
畅通project Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/32768 K (Java/Others) Total Submission(s): 16075 Accepted Submission(s): 6677 Problem Description 省政府"畅通project"的目标是使全省不论什么两个村庄间都能够实现公路交通(但不一定有直接的公路相连,仅仅要能间接通过公路可达就可以).经过
Hello everyone! I am your old friend Rikka. Welcome to Xuzhou. This is the first problem, which is a problem about the minimum spanning tree (MST). I promise you all that this should be the easiest problemeasiest problem for most people. A minimum sp
最近在线段树的世界里遨游,什么都能用线段树做,这不又一道权值线段树了么. ZYB's Premutation Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 131072/131072 K (Java/Others)Total Submission(s): 1029 Accepted Submission(s): 528 Problem Description ZYB has a premutation P ,but he o
传送门:http://poj.org/problem?id=3565 Ants Time Limit: 5000MS Memory Limit: 65536K Total Submissions: 7650 Accepted: 2424 Special Judge Description Young naturalist Bill studies ants in school. His ants feed on plant-louses that live on apple tree
Cyclic Tour Time Limit: 1000/1000 MS (Java/Others) Memory Limit: 32768/65535 K (Java/Others)Total Submission(s): 1197 Accepted Submission(s): 626 Problem Description There are N cities in our country, and M one-way roads connecting them. Now Li