log nonlinear specifications

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Linfeng Gong

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Oct 8, 2021, 8:35:09 AMOct 8
to Biogeme
Dear professor Michel,

I want to include a log() transformation in the utility function. 
Could you please advise how can I do that in biogeme?

non-linear transformation log.PNG

Thank you,
-Linfeng


Bierlaire Michel

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Oct 8, 2021, 8:37:12 AMOct 8
to glf...@gmail.com, Bierlaire Michel, Biogeme
from biogeme.expressions import log


On 8 Oct 2021, at 13:42, Linfeng Gong <glf...@gmail.com> wrote:

Dear professor Michel,

I want to include a log() transformation in the utility function. 
Could you please advise how can I do that in biogeme?

<non-linear transformation log.PNG>

Thank you,
-Linfeng



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<non-linear transformation log.PNG>

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