rigging formulas

Don't get it wrong. It is not described in the international standard mathematical xml, which is implemented through the support of the latest browser. I just tried to use xml + xslt and simple html for display. It's just a preliminary idea to share with you. Maybe a lot of people have made similar attempts before. It doesn't matter. I just want to talk about my thoughts.The format of mathematical formulas is diverse, such as limit and poi

dictionary derivation formulaDictionary derivation and list derivation are used in a similar way, except that the brackets should be changed to curly braces. The direct example illustrates:Example one: Capitalization key mergeMcase = {'a': 10,'b': 34,'A': 7,'Z': 3}mcase_frequency={k.lower (): Mcase.get (K.lower (), 0)+Mcase.get (K.upper (), 0) forKinchMcase.keys ()ifK.lower ()inch['a','b']}Printmcase_frequency#Output: {' A ': +, ' B ':Example two: Quick change of key and valueMcase = {'a'b': in

A recent project needs to manipulate EXCEL.The principle can be borrowed from the following blog:Http://blog.sina.com.cn/s/blog_6163bdeb0102dxcy.htmlI used the most commonly used OLE automation method, which suggested that you read the documentation carefully and provide more functionality. Then in the design encountered a problem, open Excel, exit after the prompt "whether to save the ...." Changes, Microsfot Excel recalculates the formula when you open the file that was last saved by an earli

In the CSS page layout encountered a bug, please read the following carefully, very easy to remember, do not know which man put CSS bug into jingle! Look good, remember?First, IE border if not, it should be noted that the height setting has been forgotten;Second, the floating generation has the reason, if the parent layer contains live, immediately after floating to clear, the container naturally show therein;Three or three pixel text slow move don't panic, height set to help you busy;Four, comp

Code Listing 1:1 Public voidtest1 () {2 for(inti = 1; I ){3 for(intK = 1; K ){4System.out.print ("\ t");5 }6 for(intj = i; J ){7System.out.print (i+ "x" +j+ "=" +i*j+ "\ T");8 }9 System.out.println ();Ten } One}Print:Code Listing 2:1 Public voidtest2 () {2 for(inti = 1; I ) {3 for(intj = 1; J ) {4System.out.print (i+ "x" +j+ "=" +i*j+ "\ T");5 }6 System.out.println ();7 }8}Print:　　C

A total of 15 priority levels:1 () []. -2! ~-(minus) + +-- (take variable address) * (type) (mandatory type) sizeof3 */%4 +-5 >> 6 > >= 7 = = =!8 9 ^10 |12 | |13?:+ = = *=/=%= |= ^= = >>= 15,It's just a lot of it. Binding: 2 13 14 is from right to left the other is left to rightBracket member first; The parentheses operator [] () member operator. -The whole monocular second; All monocular operators such as + +,--、 + (positive),-(negative), pointer operations *, Multiplication Yozo, plus minus fo

Some useful tips/small formulas/Xuan Xue optimization (fog, tips/Xuan Xue) 1. There are gcd (x1-x2, y1-y2)-1 points on the line segment (excluding the endpoint) consisting of (x1, y1) (x2, y2. 2. After two longlong values are multiplied, % of a number can be used in the following ways to avoid high precision: Ll mu (ll a, ll B) {ll r = 0; for (; B; a = (a 3. $ \ sum \ limits _ {I = 1} ^ n I ^ 2 = \ frac {n (n + 1) (n + 2)} {6} $ 4. Adding

1. As shown in the following figure, the excel table contains data and formulas. Now we need to copy the data.2. You can see that the data in the column of the total score is generated using the formula.3. Select the data to be copied and right-click the copy option in the pop-up menu, as shown below.4. After copying the file, right-click the cell to be pasted and click the paste option in the pop-up menu, as shown below.Then the formula is copied tog

Step 1: first open the Windows 7 system, then click "Start"-"attachment" in the lower right corner, and then find the "run" box, of course, you can also use the win + r key to quickly open it, and then enter the mip command and press enter, the effect is as follows.Step 2. In the open "mathematical formula editor", we can switch to the "Handwritten" formula for input.Step 3: We can preview and find that we can perform operations here, as shown in

translation matrix (translation matrix). As shown below:4.4*4 's rotation matrixTo convert a rotation matrix from a 3*3 matrix to a 4*4 matrix, simply compare the rotation formula with the 4*4 matrix formula:X ' = Xcosb-ysinby' = xsinb + ycosbz' = ZX' = ax + by + CZ + dy' = ex + FY + GZ + Hz' = ix + JY + KZ += mx + ny + oz + PFor example, when you compare X ' = Xcosb-ysinb with x ' = ax + by +cz +d, you know a = COSB, B =-sinb, c= 0, d = 0. Then, the coefficients in Y ' and Z ' equations are ob

Binary conversion rules: binary Symbol Bin (), Oct (), Hex () + Pending format number 10 binary → other binary1 #Dec2bin2 #decimal to binary: Bin ()3>>> Bin (10)4 '0b1010'5 6 #dec2oct7 #Decimal to octal: Oct ()8>>> Oct (10)9 '0o12'Ten One #Dec2hex A #decimal to 16 binary: Hex () ->>> Hex (10) - '0xa'2 binary → other binary1 #bin2oct2 #Binary to octal: Oct ()3>>>Oct (0b1010)4 '0o12'5 6 #Bin2dec7 #Binary to decimal: Int (' Number of binary formats ', 2)8>>> Int ('1010', 2)910Ten One #Bin2Hex A

IamlaosongLooking at a simple loop program, after VBA reads the data from the database, you need to enter a summation formula in the last cell:The formula means cells (i, 9) = Cells (I, 6) + cells (i,7) +cells (I, 8), where rc[-3] represents the formula in the same row The first 3 columns of the cell.How do I represent the first 3 rows in the same column? Very simple, with r[-3]c on it. And so on, the same row after three columns is rc[3], the current cell diagonal diagonally is r[-1]c[-1], th

A total of 15 priority levels:1 () []. -2! ~-(minus) + +-- (take variable address) * (type) (mandatory type) sizeof3 */%4 +-5 >> 6 > >= 7 = = =!8 9 ^10 |12 | |13?:+ = = *=/=%= |= ^= = >>= 15,Just a lot of it. Binding: 2 13 14 is from right to left the other is from left to right there are problems can be in the communicationCommon progressBracket member first; The parentheses operator [] () member operator. -The whole monocular second; All monocular operators such as + +,--、 + (positive),-(nega

Two-dimensional dynamic arrayTwo modesThe first overall sort is sequential. Use as a static two-dimensional arrayThe second whole is discontinuous, an array of pointers, each element being a pointer, storing the address of another arrayOne-dimensional arrays, two-dimensional arrays are initialized with mathematical formulas, and the row coordinates of two-dimensional arrays can be saved

steps for Excel formulas to turn into results in batches 1. Select the cell in which the input becomes the result. 2. Enter "=" = "A1" in the cell 2. The formula that will become A1 when you enter it 3. Then you can copy the formula content after it is down 4. Then click "Replace" on the toolbar 5. Enter "=" in "Find content" and "replace with" and then click Replace All. 6

MathType how to save commonly used formulas 1. Open the MathType formula Editor by using custom, and edit the formula. As for how to open it, you can open it from word directly or from your desktop. Open the software to edit the corresponding formula 2. Open MathType into the editing interface, the corresponding formula for editing, as shown in the following figure, edit such a formula. Edit a formula in the editing interfa

First, in the age of big data, data analysis becomes more and more important, the trend line added in Excel is an extension line in the chart, it can intuitively see the trend of the data, according to the actual data forecast future data, processing millions of data when the effect is particularly prominent, can also add formulas, give people the most intuitive conclusions, The following is the effect chart, the polyline is the data display, the circ

# The value returned is not the same = = = hardly consumes memory# Old hen = (' egg%s '%i for I in range) #生成器表达式# print (Old hen)# for egg in old hen:# print (egg)# g = (i*i for I in range (10))# g.__next__ ()3. Various derivation formulas[Each element is either an element-related operation for element in an iterative data type] #遍历之后挨个处理[an element that satisfies a condition is related to an action for element in an iterative data type if elem

In Word2003, you can use the Equation Editor to enter mathematical formulas such as fractions, radicals, and so on, as described in the following procedure: Step 1th, open the Word2003 document window and select the Insert → object menu command in the menu bar, as shown in the figure. In the 2nd step, in the Open Object dialog box, switch to the new tab. Select the Microsoft Formula 3.0 option in the Object Type list and click OK, as shown in the

How does Excel use formulas to generate 99 multiplication tables? Create a worksheet Sheet1 (Figure 1) and enter the 1~9,b2~j2 cell in the A3~a11 cell, followed by the 1~9. Figure 1 Calculation results The numeric results in the 99 multiplication table are all derived from the row value multiplied by the column value, so the values in the Excel cell should also be the row value multiplied by the column value, such as the result of the D6 valu