I have two data sets that I wish to simultaneously fit with two equations of the form:
Notice that both have the same pedestal and L, but different heights. Is there a simple way to constrain two independent 1-d fits in this way? The other option is to do a 2-D fit, with one data set on the x-axis and the other on the y-axis. I’ve tried to do this with a sample macro, but MIGRAD fails to converge (despite very good initial parameter values obtained from a 1-D fit of each data set). I’m feeling very green, so any assistance would be greatly appreciated. Thanks in advance.