[GSAS-II] Problems with analytic derivatives

[Leonid Solovyov]

Dear colleagues,

Today I installed GSAS II on WinXP and found it impossible to refine structures with analytic derivatives (Hessian or Jacobian). Only numeric derivatives work, but for this option one can't control the number of cycles. For different variants of structures and parameters the situation is the same.
I'd appreciate any hints or suggestions.

Best regards,
Leonid
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