Simplify derivatives #34
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Hi @andrewhooker and @martin-gmx ; Does this imply you need to use |
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My personal experience is that RxODE is much easier to use than deSolve. I would vote for PopED+RxODE. |
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Hi
No. We do not require deSolve. Other tools and packages can be used. All of the standard model simulation package for population models can be used as input to poped.
Andy
…On 31 Oct 2018, 19:34 +0100, Sibo Jiang ***@***.***>, wrote:
My personal experience is that RxODE is much easier to use than deSolve. I would vote for PopED+RxODE.
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The user provides the model solution - and in the future we will (hopefully) be able to use also the partial derivatives of the solution w.r.t. the model parameters, if the user provides them. |
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You can request derivatives from RxODE too, perhaps this couod be helpful
here Martin.
…On Sat, Nov 3, 2018, 11:36 AM martin-gmx ***@***.***> wrote:
The use provides the model solution - and in the future we will
(hopefully) be able to use also the partial derivatives of the solution
w.r.t. the model parameters, if the user provides them.
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Looks good Martin! |
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Hi Andy.
These changes should allow us to more easily add other forms of derivatives.
II am still trying to get my head around this double derivatives - that we take the derivative of v wrt all parameters, but v already linearizes (i.e., takes the derivative of all parameters). Couldn't we try to use the chain rule and remove this multiplication of derivatives?
Cheers
Martin