Feeds
提问
Print depsc is slow
Hello, I am using quiver3 to generate some 3d vector field pictures and using print -depsc to save them as eps file. The i...
12 years 前 | 0 个回答 | 0
0
个回答提问
how to fprintf vectors of symbolic function with parentheses
Hi all, I am using fprintf to output a vector of symbolic function, here is a piece of my code: fvec = sym('fvec', [1 ...
12 years 前 | 1 个回答 | 0
1
个回答提问
How to define a vector of symbolic functions
Hi all, I have a vector of functions f(x), where f and x are vectors. For example, f(x)=[x1^2+x2-x3; x2+x3^2; x1*x2]; H...
12 years 前 | 1 个回答 | 1
1
个回答提问
How to define a symbolic vector
Hi all, I want to define a symbolic vector with dimension N, e.g u(1..N) and use it to do some symbolic calculations, e.g. u(...
12 years 前 | 1 个回答 | 0
1
个回答提问
parallel computing of optimization problem
Hi all, I am trying to parallelize my optimization code. Below is my original code options=optimset('TolX',1e-8,'TolFun...
12 years 前 | 1 个回答 | 0
1
个回答提问
how to add multidimensional arrays
Hi all, I have the following commands: j=1:N elem(j,1,1)=alfa(j).*E0(1,1).*sigma(j,1,1); elem(j,1,2)=alfa(j).*E0(1,2)...
12 years 前 | 1 个回答 | 0
1
个回答提问
data type on matlab performance
Hi all, I am analyzing the performance of my code using profile. Here is part of my code: global NX1 NX2 LU_nr dx1 dx2 u...
12 years 前 | 0 个回答 | 0
0
个回答提问
How to vectorize the for loop
Dear all, I am trying to vectorize the following statement: u=zeros(n,2,2); v=zeros(N); w=zeros(n,2,2); for...
12 years 前 | 1 个回答 | 0
1
个回答提问
How to Vectorize if statement
Dear all, Here is part of my code for vectorizing the for loop and if statement: u=zeros(N,1); du=zeros(n,1); j=1:...
12 years 前 | 1 个回答 | 0
