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how to retrieve numbers from symbol?
Hi all, Suppose I have defined syms x1 x2 x45; I want to detect and retrieve the numbers 1, 2, 45 from x1, x2, x45. I...
12 years 前 | 2 个回答 | 0
2
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How to speed up the calculation of jacobian?
Hi all, I have a vector f with dimension 10000. I used jacobian(f,x) to compute its jacobian, but this turns out to be very s...
12 years 前 | 0 个回答 | 0
0
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matlabFunction is too slow
Hi all, I am using matlabFunction to create a .m file to define the function of a vector and its Jacobian: matlabFunctio...
12 years 前 | 1 个回答 | 0
1
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using function handle in fsolve
Hi all, I have computed the function vector and its Jacobian, and use matlabFunction to create a .m file to store the functio...
12 years 前 | 1 个回答 | 0
1
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choosing algorithm for optimization problem
Dear all, I have a system of nonlinear equations, F(x)=0 to solve. I am using lsqnonlin to find the minimum of F1^2+F2^2+...+...
12 years 前 | 1 个回答 | 0
1
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questions on assigning values from a vector
Hi all, I am trying to do this assignment: x1=x(1); x2=x(2); . . xN=x(N); How could I do it usi...
12 years 前 | 2 个回答 | 0
