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33 votes
2 answers
8k views

How to fit 3 data sets to a model of 4 differential equations?

I'm a biologist and a newbie in Mathematica. I want to fit three data sets to a model consisting of four differential equations and 10 parameters. I want to find the parameters best fitting to my ...
Stefanie's user avatar
  • 333
10 votes
2 answers
1k views

Fitting experimental data by using ParametricNDSolveValue and NonlinearModelFit

I am a newcomer to Mathematica. Basically I just want to fit the data (enzyme kinetic data) shown below to a system of odes' by using NonlinearModelFit. The data, an 101x2 array, contains time in the ...
Francesco's user avatar
  • 101
0 votes
1 answer
214 views

Using ParametricNDSolveValue and MultiNonlinearModelFit to fit an ODE system to datasets

I asked a question here about fitting an ODE system to given datasets. The great answer of @ydd solved the problem nicely. In the mentioned answer, the initial values are taken as the initial points ...
user avatar