Пример #1
0
    # This controls the scaling of the PDF.
    recipe.addVar(generator.scale, 1)
    # This is a peak-damping resolution term.
    recipe.addVar(generator.qdamp, 0.01)
    # This is a vibrational correlation term that sharpens peaks at low-r.
    recipe.addVar(generator.delta2, 5)

    # Give the recipe away so it can be used!
    return recipe

if __name__ == "__main__":

    # Make the data and the recipe
    ciffile = "data/si.cif"
    data = "data/si-q27r60-xray.gr"

    # Make the recipe
    recipe = makeRecipe(ciffile, data)

    # Optimize
    scipyOptimize(recipe)

    # Generate and print the FitResults
    res = FitResults(recipe)
    res.printResults()

    # Plot!
    plotResults(recipe)

# End of file
Пример #2
0
    recipe.addVar(contribution.qdamp, 0.03, fixed=True)
    recipe.addVar(contribution.nickel.delta2, 5)

    # Give the recipe away so it can be used!
    return recipe


if __name__ == "__main__":

    # Make the data and the recipe
    ciffile = "data/ni.cif"
    data = "data/ni-q27r100-neutron.gr"

    # Make the recipe
    recipe = makeRecipe(ciffile, data)

    # Optimize
    scipyOptimize(recipe)
    # Save the file
    recipe.nickel.savetxt("nickel_example.fit")

    # Generate, print and save the FitResults
    res = FitResults(recipe)
    res.printResults()
    res.saveResults("nickel_example.res")

    # Plot!
    plotResults(recipe)

# End of file