Search found 5 matches
- 25 Jun 2018, 09:36
- Forum: Optimization and Matching
- Topic: Optimising Phase Advance - error
- Replies: 14
- Views: 21849
Re: Optimising Phase Advance - error
It is a long, long lattice definition given to me by others, I think it would be hard to wade through it (for sure I'm having trouble!). In order not to waste anymore time (seeing as there isn't a quick/easy answer) I'm going to build a small example from scratch to work out the problem. I will repo...
- 25 Jun 2018, 09:21
- Forum: Optimization and Matching
- Topic: Optimising Phase Advance - error
- Replies: 14
- Views: 21849
Re: Optimising Phase Advance - error
Yes they do, they looks something like this:
E2: MARK, FITPOINT=1
Cheers,
Jimmy
E2: MARK, FITPOINT=1
Cheers,
Jimmy
- 25 Jun 2018, 08:23
- Forum: Optimization and Matching
- Topic: Optimising Phase Advance - error
- Replies: 14
- Views: 21849
Re: Optimising Phase Advance - error
Hi Michael, Yes I also tried this (as per the other thread in the forum) but it throws the same error. I am also a little bit confused as to why nux or nuy would be used in the case of a linac (in my case); surely they are relevant only for circular, or simply periodic machines where the tune can be...
- 25 Jun 2018, 07:08
- Forum: Optimization and Matching
- Topic: Optimising Phase Advance - error
- Replies: 14
- Views: 21849
Re: Optimising Phase Advance - error
Hi Neeraj,
Thanks for your reply. Yes I do, it is set to =1.
Thanks for your reply. Yes I do, it is set to =1.
- 25 Jun 2018, 05:58
- Forum: Optimization and Matching
- Topic: Optimising Phase Advance - error
- Replies: 14
- Views: 21849
Optimising Phase Advance - error
Hi, I am quite new to Elegant, so I'm still learning. I am trying to optimise a set of quads to realise a given phase advance between two points. I use the following "optimisation_setup": &optimization_setup mode = "minimize", method = "simplex", target = 0, tolerance = 1e-12, n_passes = 2, n_evalua...