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[Quote] New subsystem iio in Linux Kernel.
So, here comes the iio subsystem new to Linux Kernel, at least for me, present for for supporting some of the composite sensors in Android.Some introd...
分类:系统相关   时间:2014-12-23 18:57:25    阅读次数:293
MLlib-协同过滤
协同过滤显示vs隐式反馈参数调整实例教程协同过滤协同过滤是推荐系统的常用方法。可以填充user-item相关矩阵中的缺失值。MLlib支持基于模型的协同过滤,即使用能够预测缺失值的一个隐藏因素集合来表示用户和产品。MLlib使用交替做小二乘法(alternating least squares, A...
分类:其他好文   时间:2014-12-23 12:01:42    阅读次数:386
leetcode之LRU实现
题目: Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations: get and set. get(key) - Get the value (will always be positive) of th...
分类:其他好文   时间:2014-12-23 00:22:19    阅读次数:227
LeetCode: Maximum Subarray 解题报告
Maximum SubarrayFind the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array [...
分类:其他好文   时间:2014-12-20 20:51:21    阅读次数:386
LRU Cache -- LeetCode
Design and implement a data structure for Least Recently Used (LRU) cache. It should support the following operations:getandset.get(key)- Get the valu...
分类:系统相关   时间:2014-12-20 15:32:13    阅读次数:217
(转)最小二乘法拟合圆公式推导及vc实现[r]
(下文内容为转载,不过已经不清楚原创的是哪里了,特此说明)转自:http://www.cnblogs.com/dotLive/archive/2006/10/09/524633.html该网址下面有更多的讨论。最小二乘法(least squares analysis)是一种 数学 优化 技术,它通过...
分类:其他好文   时间:2014-12-20 12:54:35    阅读次数:216
大数据处理之道(实验方法<二>)
一:交叉验证(crossvalidation)(附实验的三种方法)方法简介   (1) 定义:交叉验证(Cross-validation)主要用于建模应用中,例如PCR(Principal Component Regression) 、PLS(Partial least squares regression)回归建模中。在给定的建模样本中,拿出大部分样本进行建模型,留小部分样本用刚建立的...
分类:其他好文   时间:2014-12-18 11:59:28    阅读次数:175
【IOS】Windows
WindowsEvery iOS application needs at least one window—an instance of theUIWindowclass—and some may include more than one window. A window object has ...
分类:移动开发   时间:2014-12-16 14:54:52    阅读次数:273
ZOJ3662:Math Magic(完全背包)
Yesterday, my teacher taught us about math: +, -, *, /, GCD, LCM... As you know, LCM (Least common multiple) of two positive numbers can be solved easily because of a * b = GCD (a, b) * LCM (a, b). ...
分类:其他好文   时间:2014-12-15 23:38:50    阅读次数:287
leetcode. Maximum Product Subarray
Find the contiguous subarray within an array (containing at least one number) which has the largest product.For example, given the array[2,3,-2,4],the...
分类:其他好文   时间:2014-12-15 23:31:49    阅读次数:214
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