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RSS订阅原创 CS231n 03 Introduction to Neural Networks
Introduction to Neural NetworksComputational graphsBackPropagation - A method to compute the gradients of abitrarily complex functionA recursive application of Chain ruleWe get the gradient backprop from the front and comupte with the local gradi
2020-11-10 09:03:19
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原创 CS231n 02 Loss Functions and Optimization
Loss Functions and OptimizationPreview the Goal in this lectureDefine a loss functionCome up with a way of finding the paras that minimize the (1)(optimization)The Remain Problem from last lectureHow to choose the W para ?[外链图片转存失败,源站可能有防盗链机制,建
2020-11-10 09:02:46
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原创 CS231 Image Classification 01
Image ClassificationThis is my note to the course CS231n Stanford Convolutional Neural NetworkComputer’ WorkInput an image, and assign one of the label amoung the given labels.The Problem:Semantic GapViewpoint variationilluminationDeformationO
2020-11-10 09:01:57
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原创 【ICS计算机系统】位运算Lab1
ICS-LAB1-ReportBits.c1. bitAnd–与题目：只用~和|实现&样例：bitAnd(6, 5) = 4可使用操作： ~ |最大操作数限制： 8使用操作数： 4int bitAnd(int x, int y) { return ~(~x | ~y); //De Morgan's laws}应用摩根律 ~(x | y) = ~x & ~y, 可得 x & y = (x | ~y)2. getByte–获取字节题目：从x
2020-10-17 12:18:19
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原创 Data Structure Note WEEK 4
WEEK3-2020/10/8Problem A - Working routine CodeForces-706EDifficulty: 4 | Tag: Cross LinkList (十字链表)Vasiliy finally got to work, where there is a huge amount of tasks waiting for him. Vasiliy is given a matrix consisting of n rows and m columns and q
2020-10-09 16:58:04
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原创 Data Structure Note WEEK 3
WEEK3-2020/9/29Problem A - Broken Keyboard-UVa 11988Difficuty: 2 | tag: deque/listYou’re typing a long text with a broken keyboard. Well it’s not so badly broken. The only problem withthe keyboard is that sometimes the “home” key or the “end” key get
2020-10-09 16:57:16
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原创 My Data Structure Study Note WEEK 2
WEEK2-2020/9/27Problem A - ZOJ 1362 Game PredictionDifficlty: 1 | Tag: Unknown Suppose there are M people, including you, playing a special card game. At the beginning, each player receives N cards. The pip of a card is a positive integer which is at
2020-09-28 23:27:40
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原创 【树莓派日记】简单的树莓派电子墨水信息屏
【树莓派日记】简单的树莓派电子墨水信息屏目录【树莓派日记】简单的树莓派电子墨水信息屏一、前述二、安装三、测试四、设计功能五、代码六、效果展示一、前述最近在淘宝上买了个电子墨水屏，装到树莓派上玩一玩，这篇博客是一个记录。二、安装买的是这款微雪的1.54寸的小电子墨水屏，SPI接口对应接线 三、测试开启SPI接口sudo raspi-config选择Interfacing Options -> SPI -&g...
2020-09-02 18:05:15
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原创 Python学习日记1---简单的Minecraft末地要塞坐标计算器
一、简述 对于Minecraft玩家而言，寻找末地要塞无疑是一个较为痛苦的过程，末地要塞生成通常距离玩家出生点有一定的距离，因而一般来说需要消耗大量稀有的末影珍珠来用于指明方向，大大拖慢了玩家的通关速度，降低了游戏体验。其实通过末影珍珠指向末地的特性，加以简单的数学运算，可以利用1~3颗末影珍珠就相对准确的定位出末地坐标，从而降低成本。二、原理概述 本计算...
2020-01-21 20:05:07
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原创 用带辅助表元的链表表示有序整数集合,求集合和、集合差、集合交
#include <stdio.h>#include <malloc/_malloc.h>#define Elementype inttypedef struct Node{ Elementype data; struct Node* next;}Node,*Linklist;void init_Linklist(Linklist *head...
2019-12-18 17:25:20
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原创 C语言解法--压缩字符串
#include <stdio.h>//#include <string.h>int length(int n){ int k=0; while(n){ n/=10; k++; } return k;}void strpress(char * str){ cha...
2019-12-05 16:49:18
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原创 CentOS下测试tensorflow出错
Traceback (most recent call last): File "/root/anaconda3/lib/python3.6/site-packages/tensorflow/python/pywrap_tensorflow.py", line 58, in <module> from tensorflow.python.pywrap_tensorflow_...
2018-07-12 18:44:46
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