How to set the time sample with Simbiology
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Hi, My current problem is to fit a theoretical model for a chemical reaction (with 2 unknown parameters) to a bench of data. TO do that, I use Simbiology, where I define my reaction. Then I run the simulation with the function sbiosimulate. I have written an handle function @to_fit, wich gives me this theoretical solution. Then, I use the function lsqcurvefit to fit my function to_fit to the data. But my problem is that the vector returned by @to_fit doesn't have the same size than my data vector (it is the same time interval [0 90], but not the same number of points) . How could I choose the vector time in the function sbiosimulate ?
I hope my description is clear enough,
Thanks
回答（1 个）
Razvan
2011-6-23
You can use resample like this
newSimDataObj = resample(simDataObj, timeVectorOfExpData);
You can also fit the parameters of the model using sbioparamestim. Check the examples from here: http://www.mathworks.com/help/toolbox/simbio/ref/sbioparamestim.html
Best, Razvan
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Arthur Goldsipe
2012-7-11
As of R2012a, there is also a new property on a model's configuration set titled OutputTimes that can be used to control the time values returned from a simulation: http://www.mathworks.com/help/toolbox/simbio/ref/outputtimes.html
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