scientific organizations

In scientific research, communication is very important, but we often find that Chinese scholars are not very fond of communication. At the meeting, few Chinese scholars discussed the issue together or raised a question. In the discussion class, students are less likely to ask questions or exchange ideas and ideas with each other. On the contrary, we see that the exchanges in the research groups in Europe and America are very intense, even offensive.

I. Comprehensive Resources1) Science Network http://www.sciencenet.cn/bbs/ 2) http://bbs.ggstudy.com/index.php dog Learning Community3) http://www.soudoc.com/bbs/0: 00 Garden4) http://readfree.net/bbs/5) http://www.eimhe.com/bbs/meihe learning online6) http://www.mushui.net/bbs/mu Shuiyun AllianceIi. Scientific research and academic resources1) http://www.ifstar.net/bbs/2) http://www.zohu.cn/bbszhuo Hu Academic Resources Network3) http://www.hjcz.org/

ImportJava.math.BigDecimal;ImportJava.math.MathContext;ImportJava.math.RoundingMode;Importjava.util.ArrayList;Importjava.util.List;/*** Scientific calculation of the number of Help class *@authorYzl **/ Public classMathutils {/*** Return to scientific calculation of multiplication results *@paramVal1 *@paramVal2 *@paramMC *@return */ Public Static DoubleMultiplyDoubleVal1,DoubleVal2,intMC) {if(val1=

Solve Phpexcel long digital string display for scientific countingIn Excel, if you enter or copy an extra-long numeric string in a default grid, it appears as a scientific calculation, such as a social security number, and the workaround is to format the table text or add a single quotation mark before the input.Using Phpexcel to generate Excel, you will also encounter the same problem, there are three ways

solve Phpexcel long digital string display for scientific countinghttps://github.com/PHPOffice/PHPExcel/In Excel, if you enter or copy an extra-long numeric string in a default grid, it appears as a scientific calculation, such as a social security number, and the workaround is to format the table text or add a single quotation mark before the input. Using Phpexcel to generate Excel, you will also encounter

for Scientific Computing Python The language is really Amazing ! Method One: Directly installs the integrated good softwarejust started usingNumPy,scipythese modules, the diagram is convenient to use a directly calledEnthoughtthe software. Enthoughtis a software company located in Austin, the capital of Texas State, USA, mainly usingPythonengaged in the development of scientific computing tools. EnthoughtIt

In JavaScript, mathematical computing is a very big problem,Due to the error of binary decimal system, the operation precision of floating-point number is not ideal, and some unexpected problems often occur.and JS automatically convert decimals to scientific counting, but also let some of their own math plugin students pain.First, floating-point calculation accuracy:For example: 1.2*3 = 3.599999999 ....　　Workaround:⑴ multiply the floating-point number

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PHP implements the method of converting scientific notation to the original numeric string, counting the string The example of this paper introduces the method of translating scientific counting method into original digital string by PHP, and shares it for everyone's reference. The specific implementation code is as follows:Copy the Code code as follows: function Numtostr ($num) {if (Stripos ($num, ' e ')

Brief introduction:The SCIPY package contains various toolkits dedicated to common problems in scientific computing. Its different sub-modules correspond to different applications. Like interpolation, integration, optimization, image processing, special functions and so on.SciPy can be compared with other standard scientific computing libraries, such as the GSL (GNU C or C + +

, but he had other better ideas, so he decided to do what he thought was more important first. Those ideas are indeed good, and they have also published good articles, but they did not ultimately lead to scientific breakthroughs. Professor D also had this idea for a long time. He not only discussed with LAB members, but also made experiments to achieve this idea. However, he finally gave up when he encountered many problems during the experiment. Pr