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Why the integration can not be calculated out correctly?
As can be seen in the following codes, jr is the integration which need to be calculated. TR is the integrand, and x and y are t...
6 months 前 | 1 个回答 | 0
1
个回答提问
How to calculate the numerical integration that contains singular points？
T(x,y,afa) is a generated integrand, and the codes are as following.When I calculate M=arrayfun(@(D) integral2(@(x,y) T(x, y, D)...
6 years 前 | 1 个回答 | 0
1
个回答提问
How to obtain the numerical integration of a set of different values of prameter which appear in Xmin
(k,x,y) is a generated integrand as the following codes. v is a parameter in TuuV. I want to get a set of value of the integrati...
6 years 前 | 1 个回答 | 0
1
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How to use integral2 when the integrand is a array?
Tuu(x,y) is a generated integrand as the following codes. d is a parameter in Tuu. I want to get a set of value of the integrati...
7 years 前 | 1 个回答 | 0
1
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Why there is the error that "insufficient number of inputs"?
Tuu(x,y) is a generated integrand as the following codes. When I calculate the integration "integral2(@(x,y) Tuu,0,pi/2,0,pi/4)"...
7 years 前 | 1 个回答 | 0
1
个回答提问
How to obtain all the solutions of the equation in pure numerical calculation?
dtuu(kz)=det(tuu) is a polynomial of kz generated through the determinant of matrix tuu. Now, I want to get all the solutions of...
7 years 前 | 0 个回答 | 0
0
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How to speed up the program?
Tuu(x,y) is a function generated as the following codes. I need to calculate the integration that "integral2(@(X,Y) arrayfun(@(x...
7 years 前 | 0 个回答 | 0
0
个回答提问
Why there is the error that the number of input parameters is insufficient?
Tuu(x,y) is a function generated as the following codes. If I input,e.g., vpa(Tuu(0.2,0.3)), it will give a correct result. Howe...
7 years 前 | 1 个回答 | 0
1
个回答提问
How to calculate the integration that the integrand should be determined by the values of variables?
Guu is the integration I want to calculate. However, the integrand Tuu must be determined by the values of x and y because the c...
7 years 前 | 1 个回答 | 0
1
个回答提问
Why my generated matrix has a square bracket at every line?
My generated matrix has a square bracket at every line, why? How to solve this problem? Many thanks! The codes are as follows. ...
7 years 前 | 2 个回答 | 0
2
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Why the null(tuu1) gives a Empty sym: 1-by-0?
tuu is a generated matrix containing kz. Through solve the equation det(tuu)==0, one can obtain the solutions kz. I select the o...
7 years 前 | 1 个回答 | 0
