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1. (1) $$2 x \sqrt{1+x^4}$$(2) $$-3 x^2 \frac{1}{\sqrt{1+x^6}}$$(3)\[-e^{\cos^2 x} \sin x-e^{\sin^2 x} \cos X\](4)\[\left (\int_0^x (x-t) f (t) dt \right) ' = \left (X\int_0^x f (t) DT-\int_0^x TF (t) dt \right) ' = \int_0^x f (t) DT +XF (x)-XF (x) =

BSGS algorithm (Baby Steps Giant Steps algorithm, Stride step algorithm, northward wide-depth algorithm, BA Shan-furious algorithm)Applicable issuesFor the equation:$ $x ^y=z (mod_p) $$Known x,z,p,p as prime numbers;Solving a minimum nonnegative

The particle filter is based on Bayesian inference and importance sampling as the basic framework. Therefore, to grasp the particle filter, for the above two basic content must have a preliminary understanding. The Bayesian formula is very perfect,

Table Space Fragmentation Related:Select Tablespace_name,Round (sqrt (max (blocks)/sum (blocks)) *(100/sqrt (sqrt (count (blocks))),2) FSFI,(caseWhen sqrt (max (blocks)/sum (blocks)) *(100/sqrt (sqrt (count (blocks))) > =NormalWhen sqrt (max (blocks)

Theorem: For any quadrilateral ABCD, the midpoint of the diagonal line AC and BD is M, N, AB, and CD. verify that the area of the triangle RMN is 1/4 of the area of the Quadrilateral ABCD. Next we will use the C language to verify the correctness of

C. Recycling bottlesIt is recycling day in Kekoland. To celebrate it Adil and Bera went to central Perk where they can take bottles from the ground and put them into a recycli Ng bin.We can think central Perk as coordinate plane. There was n

An O (n*sqrt (n)) with modified interval k large value algorithm.The sequence is divided into sqrt (n) blocks first.Then the weights are divided, the total maintenance of sqrt (n) weights, for the weight of the block t[i], stored the sequence of

[10] In a paper published by Josef and Andrew in Iccv, in 2003, the method of document retrieval was borrowed from the object detection in the video. They first compare the feature description of the image into words, and establish a vusual word

Blender script Operator, blenderoperator The addon (plug-in) is used to extend the Blender function. Like plug-in other software, removing the plug-in will not affect the running of the software. The plug-in can be added to the user preference

Excel is our common Office software, the author in the use of the process summed up a number of experience, now written for your reference. 1, do not use the arrow keys can also move the selected cells up and down due to work needs, I enter a

Test instructions: Beg ${n^2} \equiv 1\bmod p$Key to solving problems:Theorem: if $a$ satisfies $w = {a^2}-n$ is two non-surplus of modulo $p$, that is, ${x^2} = w\bmod p$ no solution, then ${(A + \sqrt W) ^{\frac{{p + 1}}{2}}}$ is two-time residual

Details of an IsPrime Algorithm //******************************* // // Written at the dormitory on Thursday, September 18, 2014 // Author: Xia hualin // //******************************** I haven't updated my blog for a long time. I have had a lot

Qaq moved a subject from IOI.The official solution seems theoretically without my good practice, I handed to Bzoj also run fastIt turned out that I had made a data card into the 4s, it's really a story of worry MulberryBut it seems that the original

Calculation(1). $\dps{\int_a^b \frac{\rd x}{\sqrt{(x-a) (b-x)}}\ (b>a)}$.(2). $\dps{\int_{-1}^1 \frac{\rd x}{(a-x) \sqrt{1-x^2}}\ (a>1)}.$Answer:(1). $$\beex \bea \mbox{original points}&=\int_{-\frac{b-a}{2}}^\frac{b-a}{2} \frac{\rd t}{\sqrt{\sex{t+\

Interval division. This course has learned many new things & new ideas on this topic. The following describes the process of thinking in detail. Question: Give a graph, each vertex has (1 ~ N), there are NQ queries, and the question range is L ~ R

$ \ BF abstract $: This article gives a detailed description of section 4.4 of "methods of partial differential equations in image processing" Edited by Wang dakai. $ \ BF keywords $: Image Segmentation; Active Contour Model; matlab programming   1.

The sum of GCDTime limit:2000/1000 MS (java/others) Memory limit:65536/65536 K (java/others)Total submission (s): Accepted submission (s): 4Problem Descriptionyou has an arrayThe length ofIsLetInputthere is multiple test cases. The first line of

Excel is our common Office software, the author in the use of the process summed up a number of experience, now written for your reference. 1, do not use the arrow keys can also move up and down the selected cells Due to work needs, I enter a

C language produces a standard normal or Gaussian distribution random numberThree ways to produce a normal or Gaussian distribution:1. Applying the central limit theorem (large number theorem)1 #include2 #include3 4 #defineNSUM 255 6 DoubleGaussrand

Subject: I don't know how to solve junior high school math problems, AI...Author: renchao (A Chao)Level 1:Reputation: 100Forum: topic development data structure and AlgorithmProblem count: 20Reply times: 48Posting time: 8:22:00 A is rational number,