Number of students from junior college to Senior College (4)

Concept and properties of double integral

   

Test points for properties of double integral 1 

 

Double integral properties 2---- Comparison theorem ( Less examination )

 

 

Double integral properties 3--- Valuation theorem ( Less examination ) 

Calculation of double integral

One , Double integral calculation in rectangular coordinate system

 

 

Limited formula : Later product first definite limit ,  Draw a straight line within the limit , Write the lower limit first and then the upper limit

  Double integral calculation example in rectangular coordinate system

 

  

Transcendental integral sequence selection  

 

  Concept of multivariate function  

Multivariate function definition field  

 

Correspondence rule of binary function  

 

Limit of binary function  

  

First order partial derivative concept  

 

Total differential  

 

 

The relationship between differentiability and partial derivative  

 

The essence of differentiability  

 

Second order partial derivative  

 

The first order partial derivative of binary implicit function

 

 

Second order partial derivatives of the implicit functions of the two variables