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Pascal Schulthess


Leiden University

Con actividad desde 2010

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Estimate parameter for ODE with events
Hi, I currently have an ODE that can only be solved by using events. How would I estimate parameters of such an ODE from expe...

casi 6 años hace | 0 respuestas | 0

0

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Heaviside function in ODE
I have the following set of ODEs dxdt(1) = -ka*x(1); dxdt(2) = ka/V*x(1) - ke*x(2); dxdt(3) = -a1*exp(-b1*x(3)).*x(3)...

alrededor de 6 años hace | 1 respuesta | 0

1

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Pregunta


OS X JxBrowser AWT-AppKit Thread Window
Hi everyone, recently I discovered an empty "window" titled JxBrowser AWT-AppKit Thread Window when I call the OS X App Expos...

casi 11 años hace | 0 respuestas | 0

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Randomly delete elements of a matrix
Thanks for the quick answers. Maybe I do need to clarify: Let's say I have a 3x4 matrix which looks like: x x x x x x x...

alrededor de 11 años hace | 0

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Randomly delete elements of a matrix
Hi guys, how would you, if you have an arbitrary matrix, randomly delete one element in each row and column of said matrix. ...

alrededor de 11 años hace | 4 respuestas | 0

4

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Selectively set parameters to fit to 0 in lsqnonlin
Hi everyone, I was wondering if there's a more elegant and less computing-time consuming way to implement the following probl...

alrededor de 11 años hace | 1 respuesta | 0

1

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Slow convergence of lsqnonlin
Alright, I figured out how to speed up the calculation of the objective function immensely. By breaking it down into matrices an...

alrededor de 11 años hace | 0

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Slow convergence of lsqnonlin
Hi everyone, I have a convergence problem with lsqnonlin and I hope that someone can help me speed it up. Ok, so what do I...

alrededor de 11 años hace | 2 respuestas | 0

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Slow convergence of lsqnonlin
@Sean: [pars, chi2] = lsqnonlin(@objFcn, iniConds, lb, ub, opts, xdata, ydata); with iniConds = lognrnd(mu, sigma,...

alrededor de 11 años hace | 0

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Sparsity pattern
Apply sparsity pattern of one matrix to another.

casi 14 años hace | 2 descargas |