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Chien-Chia Huang


Attivo dal 2011

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Domanda


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 ...

quasi 11 anni fa | 0 risposte | 0

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Domanda


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...

quasi 11 anni fa | 1 risposta | 0

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Domanda


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 ==...

oltre 13 anni fa | 1 risposta | 0

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Domanda


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...

oltre 13 anni fa | 2 risposte | 0

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Risposto
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...

oltre 13 anni fa | 1

Domanda


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...

oltre 13 anni fa | 2 risposte | 1

2

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Domanda


matrix pre-allocation
What's actually the difference between the following commands sparse(zeros(10000)); sparse([],[],[],10000,10000,0); ...

oltre 13 anni fa | 2 risposte | 1

2

risposte

Domanda


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...

oltre 13 anni fa | 2 risposte | 0

2

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Domanda


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...

oltre 13 anni fa | 1 risposta | 0

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Domanda


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...

oltre 13 anni fa | 1 risposta | 0

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