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Reprinted from Here Indices and subscripts can be implemented with the ^ and _ followed by the corresponding characters. Code effects $a _{1}$, $a ^{2}$ A1, A2 $e ^{-\alpha t}$ e−αt $a ^{3}_{ij}$ a3ij $e ^{x^2} \neq {e^x}^2$ ex2≠ex2 The square root

Basic grammar of latex mathematical formula in Markdown Formula Layout There are two types of typesetting:-Inline formula: use \ or $ wrap formula-Independent formula: Wrap the formula with \$.For example:$ \sum_{i=0}^{n}i^2 $ represents ∑ni=0i2

Database fragmentation is a major factor in database performance and should be discovered and defragmented in a timely manner. First, how the debris is produced When a database instance is created, it is divided into multiple logical segments

Also known as the positive axis conformal cylindrical projection. A cylindrical projection of a kind, by the Dutch map biologist Mercator (G. Mercator) was created in 1569. Is the most influential in the map projection method.Imagine a cylinder

SQL functionsAggregation functions (for numeric columns):Avg: Averaging pointsCoint: Number of calculationsMax: Ask for maximum valueMin: Find minimum valueSum: Sum        Math function ():   ABS:     Absolute Value    CEILING: Upper bounds

Basic C language examination questions // // Main. m // C Language Test Library // // Created by MRBean on 15/5/20. // Copyright (c) 2015 MRBean. All rights reserved. //   # Import   /** 5, 12 questions * Determine whether a number is a prime

When SNS are added to the LBS technology, it will make the mobile Internet field more colorful, such as public comments, nearby, and Shanda jieke applications running on smartphones, when you pull out your mobile phone, you can recommend some useful

Number of BITs   If n is a four-digit number, it is 9 times its inverse number, and N is obtained. The inverse number is an integer formed by the number of integers. For example, the arc number of 1234 is 4321. * Problem analysis and Algorithm

In the past two days, the company's project has come to an end, and the school's homework is not too difficult. So I had a little leisure time, So I re-read SiCp and learned JavaScript at the same time (I saw Google suggest, Google Maps, and

$ \ BF abstract $: This article provides a reference for the 2011 mathematical analysis postgraduate exam of Lanzhou University.   $ \ BF keywords $: Lanzhou University; mathematical analysis; postgraduate exam   1 calculation question ($6 \ times 10

A rabbit is at, and its cave is at, 20 m north. A wolf is at, 33 m east of the rabbit: the wolf stared at the rabbit as quickly as the rabbit and asked if the rabbit would be caught before arriving at the hole? Many people on the Internet say they

Latex uses a special pattern to typeset mathematical symbols and formulas. The mathematical expression in a paragraph should be placed between (and), $ and $ or begin {math} and end {math. $ C ^ {2} = a ^ {2} + B ^ {2} $ For larger mathematical

C ++ & assembly, C Language C ++ is an object-oriented High-level language, but it is developed based on C language, so its internal principle is exactly the same as that of C language, so let's take a look at what the C ++ program translates into

learning notes | chapter 01st | basic knowledge, python chapter 01st This learning note is mainly used to record some Key points in the course of learning , or the content that you do not understand may be a bit messy, but it is more practical, it

  　　Preface: GP (Gaussian process) is a common and important random process in nature. It is also called a normal random process and widely used in ml and other fields. The purpose of this experiment is to give a simple understanding of GP. In

Termquery rewrite = this "wdx"1. getweight ProcessInstantiate a termweight with the following attributes:Float value-IDF * boost/Math. SQRT (IDF * boost * IDF * boost)Float IDF-term in index IDFFloat querynorm-1.0/Math. SQRT (IDF * boost * IDF *

Recall: # define usage, Ansi c stipulates that: # can contain spaces or tabs, and # can contain spaces between the command and other parts. It can appear anywhere and the scope ranges from the definition to the end of the file. Before preprocessing,

The following may be the ten Linux commands you have never used. But it is quite useful. To help you 1) pgrep There is a p in front of the pgrep name. we can guess that it is related to the process, and it is also a grep command related to the

Topic Link: POINT here!!!Test instructionsgive you an interval [a, b] (1Exercises1, we first find out all the quality factors of x, note that X has a maximum of 1 factors greater than (sqrt (x)), so we can first preprocess [1,sqrt (1E9)] all prime

At first I used a block of Dafa, divided into $\sqrt{n}$ block, each block to maintain a splay, and then Balabala maintenance, time complexity is $o (N\SQRT{N}LOGN) $. Later on the shoot when found than $o (n^2) $ of violence run slowly, Ta Ye said