tangent inverse formula

// Please specify the source: Http://blog.csdn.net/BonChoix, thank you ~) Tangent spaces (Tangent space) Switching space, same as local space, world space, is one of the many coordinate systems in 3D graphics. One of the most important uses for

The syntax of a atan function function function: Returns the inverse tangent value. The tangent value is equal to the number parameter value because it is an angle. The returned angle value is expressed in radians, and the range is-PI/2 to PI/2.

Accessing the user environment The user environment is the server or workstation that contains the database, and the database includes the following: Copy the formula, the agent to which the new message arrives, or the timer trigger, the selection

Access user environment The user environment is a server or workstation that contains a database. The database includes the following content: copy a formula, a proxy triggered when a new email arrives or periodically, and select a formula or a

---restore content starts---Expressway coordinate elevation calculation software descriptionThe highway coordinate elevation calculation software is a very effective procedure which is summed up in many years of construction lofting work. It is a

Tricks efficient BP (inverse propagation algorithm) in neural network trainingTricks efficient BP(inverse propagation algorithm) in neural network training[Email protected]Http://blog.csdn.net/zouxy09tricks! It's a word that's filled with mystery

Since this website cannot support complex mathematical formulas, only upload a high school math jingle Download website http://www.ggjy.net/xspd/xsbk/200408/815.html I. Collections and FunctionsThe content sub-orthogonal complements the set, also

Introduction to machine learning--talking about neural network This article transferred from: http://tieba.baidu.com/p/3013551686?pid=49703036815&see_lz=1#Personal feel is very full, especially suitable for contact with neural network novice. Start

In step 1th, open the Word2010 document window and switch to the Insert Ribbon. Click the formula button (not the Formula Drop-down button) in the symbol group, as shown in Figure 1. Figure 1 Click the formula button Step 2nd, create a

PL/SQL single-line functions and group functionsA function is a program that has 0 or more parameters and has a return value. Oracle has built a series of functions in SQL, which can be called SQL or PL/SQL statements, and functions are divided into