Hello! I need to fit two datasets simultaneously to two different models, which have common parameters. Both of the data sets have the same x-values, but different y-values.
You can put two copies of the curve fitting VI on your block diagram. Wire the same X values to both. Put the apprpriate Y values with the corresponding model.
This seem pretty obvious, so I probably misunderstand your problem. Post your VI along with some typical data and the expected results.
Here is an old example I think does what you want. The two curves are exponentials (a*exp(b*x)+c) and share the b parameter. Both curves have the same X values.
