Comments (4)
This is because the axis is determined completely by the first interface. If you take the derivative w.r.t. the first interface, that applies to the axis as well.
So yes, you need to take finite difference with moving coordinate axis.
from spec.
Sure; I don't get however why, when implementing the force gradient for the current constraint I had to keep the axis fixed, see these lines, from the release 3.00:
Lines 708 to 712 in e63128c
I guess there has been a change in the logic of SPEC, and the coordinate axis is now re-evaluated at every force calculation while it was not necessarily the case when I was working on the current constraint.
from spec.
You are correct. This feature was newly added.
from spec.
Thanks! I close this thread then.
from spec.
Related Issues (20)
- GMRES error HOT 10
- Segmentation faults when compiled with cmake HOT 6
- Problem with master branch HOT 4
- Issue when restarting from .end file HOT 6
- Help needed to install python wrappers HOT 15
- Wrapper will not compile (reserved python words?) HOT 3
- Problem running tests on master branch HOT 3
- python_wrapper Makefile setup HOT 2
- Help needed for compilation with cmake HOT 8
- Bug in force gradient when Lrzaxis=1 ?
- MATLAB metric subroutine needs fix HOT 2
- Python wrapper compilation for Henneberg representation branch HOT 2
- VMEC initializer HOT 2
- Read initial guess with python wrappers HOT 5
- Cannot install f90wrap HOT 7
- Question about matrix free method HOT 2
- SPEC license? HOT 5
- Installation on mac m1 HOT 16
- py_spec installation is borken HOT 1
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from spec.