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), first determine the operation L-bank, so you want to select L-bank. The external pins on the memory chip have more than two pins BA0, BA1, used to select 4 L-bank. As mentioned earlier, the 32-bit address length is divided into a row address and a column address due to its storage structure characteristics. The following memory structure diagram shows that the memory socket address line only 13 address line a0~a12, it can only addressable 8 m of me

column K in B is summed in the above calculation to obtain the data in line K of column C, and the code is as follows: void arymul1 (int a[4][5], int b[5][3], int c[4][3]) { int i, j, K; int temp[3] = {0}; for (i = 0; i This algorithm can easily go to the multiplication algorithm of sparse matrices. PS: implementation of Strathearn algorithmStrathearn method, a method proposed by V. Strathearn in 1969. We first discuss the method of calculating the second-order matrix.For sec

(time_dp) over (order by time_dp) timediff, Scn-lag (scn) over (order by time_dp) scndiff From smon_scn_time ) Select time_dp, timediff, scndiff, Trunc (scndiff/timediff) rate_per_sec From t1 Order by 1; Method 2: Query awr report information: 1. How to extract the historical values of a statistic from AWR Repository (Doc ID 948272.1) Copy the Script part to the local machine of the two instances in the generated database and name it awr. SQL The script is: Set trimspool onset pages 50000 se

implement virtual functions in C ++?A:Each class that defines a virtual function has a virtual function table vtbl (virtual function table). This table is actually an array of function pointers and records the entry address of the virtual function. As long as this class has virtual functions, whether defined by itself or inherited from the parent class, each instance of the class-the object has a pointer vptr (virtual function table pointer ), it points to the virtual function table of the clas

virtual functions in C ++?A:Each class that defines a virtual function has a virtual function table vtbl (virtual function table). This table is actually an array of function pointers and records the entry address of the virtual function. As long as this class has virtual functions, whether defined by itself or inherited from the parent class, each instance of the class-the object has a pointer vptr (virtual function table pointer ), it points to the virtual function table of the class.The foll

process needs to be done in map), according to each element will be involved in which CIJ calculation, for each element to play (i,j) coordinates, In this way, these elements are then shuffle to the target CIJ group of calculated data sources. Specific examples, A12, will participate in C11,C12 calculations; B22 will participate in C12,C22 calculations. So, from the element coordinates of a and B, we are fully aware of the coordinates of the C eleme

the bank and the Bit Width of an SDRAM chip. The bit width indicates each transmission cycle (here it refers to a cycle of the clock sent to the CLK end) the amount of data transmitted (16 bits ). (3) Amount of SDRAM The amount of SDRAM is the number of storage units. The formula is as follows: Amount of SDRAM = number of banks * (number of rows * Number of columns) Here, the number of banks is 4, while the number of rows and the number of columns are described in The number of rows can be a0

we modify the data in the workbook, the changes will be automatically reflected in the workbook, declare the variable first: Var Sheet: WorkSheet; // workbook Chart: WCChart; // Chart Filling workbooks with data Sheet: = Spreadsheet1.ActiveSheet; With Sheet do begin Range ['a1', 'a10']. Set_Formula ('= Row ()'); Range ['b1 ', 'b10']. Set_Formula (' = A1 ^ 2 '); Range ['a12', 'a12']. Set_Formula ('= Max (A1

Audio is a very important element in information transmission, and even a good play without sound is also useless. Therefore, audio technology has been paid attention to during the development of TV. However, compared with the image progress, audio technology development lags behind, so the audio industry workers should work hard. Skyworth A12 audio Engine Technology Skyworth has A12 audio engine

233 MatrixTime limit:10000/5000 MS (java/others) Memory limit:65536/65536 K (java/others)Total submission (s): 1190 Accepted Submission (s): 700Problem DescriptionIn Our daily life we often use 233 to express our feelings. Actually, we may say 2333, 23333, or 233333 ... in the same meaning. And here are the question:suppose we have a matrix called 233 matrix. In the first line, it would is 233, 2333, 23333 ... (it means a0,1 = 233,a0,2 = 2333,a0,3 = 23333 ...) Besides, in 233 matrix, we got ai,j

1. Question (from Rosen, "Elementary number theory and its application" 6th P99 5th)The last two decimal digits (bits and 10) that prove the total square number must be one of the following: {xx, E1, E4, O6, E9}Note: E = even number, O = prime number, 0 is also an even number2. Verify N N2 End number Pair Type 0 0 00 1 1 E1 2 4 E4 3 9 E9 4 16 E4

ListNewArrayList (); Person P1=NewPerson (); P1.setpersonid (1); P1.setpersonname ("CHM"); ListNewArraylist(); Area A1=NewArea (); A1.setareaid (1); A1.setareaname (Haidian); A1.setcityid (1); Arealist1.add (A1); Area A2=NewArea (); A2.setareaid (2); A2.setareaname (Fengtai); A2.setcityid (1); Arealist1.add (A2); Area A3=NewArea (); A3.setareaid (11); A3.setareaname ("Chongming"); A3.setcityid (2); Arealist1.add (A3); P1.setarealist (AREALIST1); Personlist.add

When we use Excel, we encounter situations where some cells in a worksheet are filled with a color, requiring a quick sum of cells filled with a color. Excel's ready-made function is a function that does not sum by color. Small series in this article to introduce a method: the use of macro function Get.cell to complete according to the color of the cell. Examples are shown in the following illustration: The A1:G10 range of cells in the worksheet is the source data, and in the area of a1:g10,

The zebra puzzle is a typical constraint satisfaction problem (CSPs). Sudoku, Magic Square also belongs to CSPs problem. The language features of Erlang's list parsing allow it to solve such problems in a way that is very close to the natural language: it does not need to consider the process-solving steps to describe the constraints, and the Erlang interpreter matches the answer through a domain search. Someone has also used Erlang to write an extension to a finite domain constraint (finite dom

Tags: like rom oracle ref symbol space newline character value letterThe original in this poke Regexp_like 3 parameters The first one is the string entered The second one is the regular expression The third is the range of values: I: case is not sensitive; C: Case sensitive; N: Point number. Do not match line break symbols; M: multi-line mode; X: Extended mode, ignoring white-space characters in regular expressions. All test data Sql> SELECT * from Test_reg_like; A -----------------------------

Computer Z: Represents other computers or servers above the Internet Virtual Machine (A11,A12,A13): Connect to VMnet1 Virtual Switch via virtual NIC After installing VMware Workstation, a VMNET1 virtual network card is generated by default on the host computer, which is connected to the VMNET1 Virtual switch via this virtual network card Another: In fact, and each virtual switch also has a virtual DHCP server connected with it, in the topology is

the position B after moving through the velocity vector. However, this move will not proceed smoothly, because we found that a collision occurred. The collision point is in the red area, that is, the intersection of the velocity vector and the boundary line. Our next job is to calculate the intersection. This is a process for Solving Linear Equations, so we will use the same tool... 2. A powerful tool for solving linear equations --- the Cramer Law The first thing to note is that this rule

number will be increased by 1Const(//iota is reset to 0C01 =Iota //C01 = = 0C02 =Iota //C02 = = 1C03 =Iota //C03 = = 2)Const(//iota is reset to 0a0 =1Iota //a0 = = 1 (1 times 2 of 0 power)B1 =1Iota //B1 = = 2 (1 times 2 of 1 power)C1 =1Iota //C1 = = 4 (1 times 2 of 2 power))Const(//iota is reset to 0u1 =Iota* the //u1 = = 0V1float64=Iota* the //v1 ==42.0W1 =Iota* the //W1 ==84)ConstX1 =Iota //x1==0 because Iota was reset to 0.ConstY1 =Iota //y1==0 Ibid .//If the expression of the two Const a

for (int j = 0; J System.out.print (C[i][j] + "\ t");}System.out.println ();}}private static int[][] Flag (int[][] A, int[][] b, int n) {Int[][] result = new Int[n][n];if (n = = 1) {Result[0][0] = a[0][0]*b[0][0];return result;}int [][]A11 = new INT[N/2][N/2];int [][]A12 = new INT[N/2][N/2];int [][]A21 = new INT[N/2][N/2];int [][]a22 = new INT[N/2][N/2];int [][]B11 = new INT[N/2][N/2];int [][]B12 = new INT[N/2][N/2];int [][]b21 = new INT[N/2][N/2];in

Title DescriptionA two-dimensional plane has \ (n\) a trapezoid, satisfies:The bottom edge of all trapezoid is on the straight line \ (y=0\) .The upper and lower edges of all trapezoid are on the straight line \ (y=1\) .No two points have the same coordinates.You can select any number of trapezoid at once, must meet these trapezoid 22 overlap, then delete these trapezoid.Ask you at least several times can delete all trapezoid.　　\ (N\leq {10}^5\)ExercisesDiscretization of the coordinates first.De