The Latent Semantic Analysis (LSA) is also called latent Semantic indexing (LSI), which is to discover the potential meanings and concepts of these documents by analyzing the documents, latent That is, to establish the relationship between semantic (lexical family) and document potential meaning, It maps words and documents into a ' concept ' space and compares them within this space (note: a dimensionality reduction technique). Latent Semantic Analy
Stanford ml Open Course Notes 15In the previous note, we talked about PCA ). PCA is a direct dimensionality reduction method. It solves feature values and feature vectors and selects feature vectors with larger feature values to achieve dimensionality reduction.This article continues with the topic of PCA, including one application of PCA-LSI (Latent Semantic Indexing, implicit semantic index) and one implementation of PCA-SVD (Singular Value Decompos
: Universal processor with all the above functionsAll kinds of special processor, coprocessor, embedded processor3. Classification by data typeFixed-point computers, Frond, vector computers, stack computers, etc.4, according to the number of processors and type DivisionSingle processorParallel processing machine, multiprocessor, distributed processorCorrelation processorSuperscalar processor, ultra-line processing machine, VLIW processorSMP (symmetric multiprocessor), MPP (massively parallel pro
Linux ISCSI multi-path Mount Storage
Preparations:After the LUN is created, the lLUN is divided into independent groups, and the server's iqn information is added to the LUN. If it is placed in the default group, the hard disk information displayed during ISCSI scan is of all Luns, which may lead to misoperations.
Scan storage:The ISCSI plug-in has been selected when installing the system. If not, you can use the local source or yum for installation.[Root @ CLanguage] # service iscsi start # sta
]# partedGNU Parted 2.1Using /dev/sdaWelcome to GNU Parted! Type 'help' to view a list of commands.(parted) p Model: LSI AOC-USAS2LP-H8iR (scsi)Disk /dev/sda: 40.0TBSector size (logical/physical): 512B/512BPartition Table: gptNumber Start End Size File system Name Flags1 1049kB 525MB 524MB ext42 525MB 263GB 262GB ext43 263GB 284GB 21.0GB ext
:915715mbwritecache:enabled (Write-back) FRU: nones.m.a.r.t.:nos.m.a.r.t.warnings:0powerstate:full Rpmsupportedpowerstates:fullrpm,poweredoffssd:yesmaxcache capable:nomaxcache Assigned:noncqstatus:enabledcommandcompletedsuccessfully.If it's LSI, install the MEGACLI kit, which I remember on the LSI website.[Email protected] ~]#/usr/dpt/raidutil-l allYou can see very detailed information.SoftLayer's servers a
kernel, as well as the kernel image, and the console system files should be equipped with RAID1 protection We do not recommend using on-board LSI for raid, 5i 6i 6m cards are recommended because the onboard LSI has a slow CPU, no cache, no battery protection, and therefore is not recommended for use in production environments For VMFS Storage, we recommend hosting with the best storage devices available. F
: the relationship between the document and the word as a probability distribution, and then try to find the probability distribution, with the document and the probability distribution of words, Then we can get everything we want.
In the basic assumption of pLSA, document D and Word w are generated as follows: Select document D with the probability of P (d). The probability of P (Z|D) is chosen for the implicit class Z. Generates W from Z in the probability of P (w|z). P (z|d) and P (w|z) are a
the directory that the driver will add, such as the SCSI bus driver?/drivers/scsi/Create a new drive directory under this directory, such as Megaraid1B. Place all source files associated with the driver in this directory, such as/drivers/scsi/megaraid1and add makefile and Kconfig 2 files in this directoryC. Add all the. o files and module names in the makefile type, such asobj-$ (config_megaraid1_sas) + = MEGARAID1_SAS.OMEGARAID1_SAS-OBJS: = MEGARAID1_SAS_BASE.O megaraid1_sas_fusion.o MEGARAID1
Sometimes CentOS Linux kernel does not have a RAID card driver, can only be loaded with floppy disk drive, in fact, there are other methods, as long as the appropriate driver to find the official, the RAID card is now a lot of brands, but most of the independent RAID card for Highpoint,3ware, Adapter,lsi,promise, and some are integrated on the motherboard, if you want to make a drive with the ISO mirror CD-ROM more time-consuming effort, be familiar w
or with certain probability associations. In the model proposed here, we do not use discrete random or deterministic variables (corresponding to the soft or hard partition of the group) to denote the similarity of the word, but to use a continuous real vector, or a word vector, to denote the similarity between the words. The experimental results are compared in this article, including a class based n-ary syntax model (Brown et al., 1992, Ney and Kneser, 1993, Niesler et al., 1998).
The idea of
This problem seems to have no idea, a look at the poor data range, just forget the time of the search for the Complexity O (c (16,8) ∗ (c (16,8) +m3) ≈108 O (C (16,8) * (c (16,8) +m^3) ≈10^8 seems to have no problem, and then wrote a mob search, A bit of data found T, and added an optimization pruning and then a.The result is a look at the code is all DP. It makes me a little bit sore.In fact, as long as the second half of the search can be changed, the two-dimensional pressure into one dimensio
the urgent need of the information age, and VOD service is one of the interactive digital video information services. As the client receiving device of VOD system, digital STB has been developed rapidly.
Digital STB may become the mainstream of computer and consumer electronics in the next 10 years or more, so many companies, including Ibm,st,lsi,philips,sony, have entered the field, and some international or regional organizations have developed re
When the OCR disk was initialized, a disk read and write error was reported.
Error Input/output error when reading and writing test for multipath device
DD If=/dev/zero OF=/DEV/MAPPER/VOT1 bs=1mcount=1000
Dd:writing '/dev//mapper/vot1 ': input/output error
1+0 Records in
0+0 Records out
The reason is on the multiple path configuration, the production looks multipath–ll
VOT1 (360080e50001fa2d0000003ba5313e77d) dm-6 lsi,inf-01-00
[size=1.0g] [Fe
First, in the STM32, there are five clock sources for HSI,HSE,LSI,LSE,PLL.
The ①HSI is a high-speed internal clock with an RC oscillator at a frequency of 8MHz.
The ②HSE is a high-speed external clock that can be connected to a quartz/ceramic resonator or to an external clock source with a frequency range of 4mhz~16mhz.
The ③LSI is a low-speed internal clock, an RC oscillator with a frequency of 40kHz.
The
demo files, copied to the/usr/local/apache/htdocs directory, Do not use send.php and receive.php files on the official website.Open the amqp_publisher.php file for modification, and the modified code is as follows:
Amqp_consumer.php the modified code:
Test it:
Turn on consumer monitoring:
[Root@ip10 htdocs]# php amqp_consumer.php
Publisher Post message:
[Root@ip10 htdocs]# php amqp_publisher.php ' LSI ';
[Root@ip10 htdocs]# php amqp_pub
the operation of the machine with the oscilloscope measurement and observation of the relevant components of the waveform, and the normal waveform comparison, judge the fault site.
6. Simple after complex and combined with the composition of the principle of judgment
With the wide application of LSI, the control logic is more and more integrated on the motherboard, and its logic correctness is more and more difficult to judge by measurement. It can
.
About BL2 startup process:
BL2 copies the OS image (BL3) to the DDR and then checks the integrity of the OS image.
In BL2, the system clock is initialized and the DDR is initialized. If necessary, uart, net, emmc, and sdcard can also be initialized.
The Process Code in BL2 does not depend on BL1, that is, BL2 will no longer go back to call the BL1 process.
The starting process of each phase is basically like this. Next we will introduce how to divide each segment of the internal memory in
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