LabVIEW
fitting this curve ?
hey , i tried curve fitting this graph , but wasnt successful . Please guyz do help me finding the best fit for the given curve below ! Thanks 
Hi Jitin,
what has changed since your last thread that guided you to open a new thread?
What's the problem with fitting? Ever tried one of those functions?
Jitin,
I would also recommend looking at the "Linear, Exp, and Power Fitting.vi" example as well familazing yourself with the concept of a unit step function since the curve you provided looks to be in actuallity multiple curves that change with time. For example you have an exponential plot that at a certain time changes to a linear plot with a positive slope then to a linear plot with a negative slope back to an exponential.
Creating a step function will allow you to deal with combining multiple functions at different time intervals, the resulting fit will be much better but with the tradeoff of adding a bit more complexity to your fit.
Regards,
-SS
@Jitin wrote:
hey , i tried curve fitting this graph , but wasnt successful . Please guyz do help me finding the best fit for the given curve below ! Thanks
This is a complicated curve and certainly not a simple exponential. Where does this data come from? Do you want to ignore certain regions?
