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ODE23/45 for 2-dimensional solution and alternatives?
Hello there, Per the help document for ODE23/45, there is no way to get a 2-element solution even if I input tspan which has ...
11 years 前 | 0 个回答 | 0
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Finding a root with interval constraint
Hello there! I am trying to find a point x within the time interval [t-1,t] (for some t, say t = 3) so that the function atta...
11 years 前 | 1 个回答 | 0
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Error: Inner matrix dimensions must agree.
Hi, I am using "gamultiobj" to solve my problem. I, however, have no idea why the error message occurred ??? Error using ==...
14 years 前 | 1 个回答 | 0
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function setup in fmincon
Hi there, my problem is how to set up the function using function handle in fmincon. The objective function is quadratic and th...
14 years 前 | 2 个回答 | 0
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Why do you come to "MATLAB Answers"?
*abef* and, when well trained, *c*. "MATLAB Answers" is a great place where I get surprised coz being here I'm always like a la...
Why do you come to "MATLAB Answers"?
*abef* and, when well trained, *c*. "MATLAB Answers" is a great place where I get surprised coz being here I'm always like a la...
14 years 前 | 1
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Cholesky factorization on symbolic matrix
Hi all, I want to use Cholesky factorization on some symbolic matrices but I am still working with R2007b, quite an old versi...
14 years 前 | 2 个回答 | 1
2
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matrix pre-allocation
What's actually the difference between the following commands sparse(zeros(10000)); sparse([],[],[],10000,10000,0); ...
14 years 前 | 2 个回答 | 1
2
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sequence grouping
Hi all, I am trying to construct a few groups from a given sequence by giving some pivots, one or more. For example, a = 1:1...
14 years 前 | 2 个回答 | 0
2
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generate an array according to some sequence
Suppose I have an array [4 2 1 3] (length = 4) and I want to generate another array of length 6(= 0.5*4*(4-1)). The vlaues of...
14 years 前 | 1 个回答 | 0
1
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how to put an array into a matrix
Hi there! the function "triu(X,1)" returns the upper trangular part of the matrix X. I now have an array of size 1-by-(0.5*n...
14 years 前 | 1 个回答 | 0
