Elegant users forum

Thanks for the reply. We'll try the subtraction method.

Can you please tell me what I'm doing wrong here? We suspect that there is dispersion leakage that is affecting the X emittance, so we wanted to try out the -includeDispersion option. Assuming sddsemitproc removes the dispersion contribution, I would expect a smaller emittance. Rather than larger. O...

Hi, I've requested a parameters output file using run_setup's "parameters=\"%s.parms\" thinking that I would get an easily parseable file containing the element parameters and values in the lattice (I know of the disclaimer in the documentation) I thought I could just add the line to run_setup, but ...

According to the documentation, the "target" parameter in optimization_setup is : The value which, if reached, results in immediate termination of the optimization, whether it has converged or not.... I'm not sure how I would set this to a specific value. I have four optimization_terms, which value ...

I have used elegant to match the twiss parameters at a particular location, and have asked it to create a new lattice file with the optimized quad values. I then (just for grins) optimized the same parameters, same location, against the new lattice. As expected, no changes to the optimum values of t...

I have a lattice with 3 matching locations (in beamline order: D,S,R) . Each location has its own set of quads to use for optimizing. I successfully matched at each location with three separate elegant runs, using the matched lattice of the previous run as the input for the next run. I was also able...

Can you please explain the sign convention for E1 and E2 for a CSBEND?

My lattice file ends at IHA0L08, which is the harp at which I measured the data, so that should be ok, right? The program that I'm using to analyze the harp files gives me Sigma X(mm) and Sigma Y(mm) in addition to RMS Width(mm) (along with error bars) I've been using the calculated sigmas, should I...

I'm having trouble putting this into practice. I have one quad that I would like to scan to get the X data (MQD0L06) and one to get the Y data (MQD0L07) Both sets of scans produce waists, but I'm not getting answers. I don't know how to create the sdds file so that sddsemitproc looks at the right si...

Mike,
How can I determine whether or not to trust my sddsemitproc results? Should I aim for a percentage of "good fits?" Or is there another indicator? I can plot the fit, of course, but that doesn't tell me if it's good enough for sddsemitproc...
Thanks,
Michele