UIControl Callback

[Ntasha]

I keep on getting UIControl Callback error when I try to fit my EPR. What does that mean?

[katarkon]

There are a lot of reasons throwing such error. Please give full output of Matlab.

[Ntasha]

Here is the full output

Error using magint
g tensor must be symmetric for this method.

Error in chili

Error in chili

Error in esfit

Error in esfit_simplex

Error in esfit

Error while evaluating UIControl Callback

I am trying to fit the diffusion angles (and the rates of rotation) of a spin labeled lipid inside a bilayer (powder spectra).
Here is my system setup

Nx =

g: [2.0086 2.0058 2.0020]
Nucs: '14N'
A: [13.7000 13.7000 96.4000]
logDiff: [7.2500 8.8500]
DiffFrame: [6.2832 0.1745 0]

I am assuming that the spin label can rotate around its long axis freely (360degrees) and then wobble in the cone imposed by its environment. Some angles give me the error. I am not sure why.

[Ntasha]

Attached is the example of the fitting I get

[katarkon]

Please give the script and exp data which causes the eror. Or alternatively try to run fitting with Opt.Verbosity=2. It gives much more information.

[Stefan Stoll]

Also make sure to test this with the latest version of EasySpin (see the website). If you are using an older version, it might be that this is a bug that was already fixed.