Basic examples

Minimal fit example

Basic fit example

Minimizer settings

Consecutive fitting

• Documentation
  • Introduction
    • Functionality overview
    • Architectural overview
  • Installation
    • Installation on Windows
      • Install Python with the Anaconda installer (recommended)
      • Manual Python installation (advanced)
        • VSCode editor
        • PyCharm IDE
      • Python troubleshooting
    • Installation on MacOS
      • Advanced tips
    • Installation on Linux (short version)
    • Installation on Linux (detailed version)
      • Install third-party software
      • Get the source
      • Build and install BornAgain
      • Run a first simulation
  • Graphical user interface
    • Quick Start
    • BornAgain GUI overview
    • Fitting in the GUI
  • Python scripting
    • Getting started
      • Find BornAgain
      • Run a script
      • Syntax
    • Simulations
      • Reflectometry
      • Off-specular scattering
      • GISAS
      • SAS
      • Depth-probe
    • Materials
    • Detectors
      • Spherical detector
      • Rectangular detector
    • Particles
      • Particle positioning
      • Particle distribution
      • Particle rotation
      • Particle composition
      • Magnetic particles
    • Particle assemblies
      • 1D lattice
      • 2D lattice
      • Radial paracrystal
      • 2D paracrystal
      • 3D particle assemblies
    • Fitting
      • Introduction
        • Basic concept
        • Fitting in GISAS
        • Minimal fitting example
      • Basic fitting tutorial
      • Importing experimental data
      • Experiment description
      • Minimizer settings
    • Plot and export
      • Accessing simulation results
        • Accessing simulation results
      • Matplotlib configuration
    • API Documentation
  • Examples
    • Embedded particles
      • Cylinders in Born Approximation
      • Cylinders in Distorted Wave Born Approximation
      • Cylinders with size distribution
      • Two types of cylinders with size distribution
      • Rotated Pyramids
      • Cylinders and Prisms
      • All available form factors
      • Magnetic particles
    • Layered structures
      • Buried particles
      • Correlated roughness
    • Interference functions
      • 1D lattice
      • 2D square lattice
      • 2D rotated square lattice
      • 2D square finite lattice
      • 2D sum of rotated square lattices
      • 2D centered square lattice
      • Spheres on Hexagonal Lattice
      • Cosine ripples in a lattice
      • Triangular ripples in a lattice
      • 2D Paracrystal
      • 1D radial paracrystal
      • Rectangular grating
      • Size-distribution model: decoupling approximation
      • Size-distribution model: local monodisperse approximation
      • Size-distribution model: size-spacing coupling approximation
    • Complex shapes
      • Core shell nanoparticles
      • Cylinders with two materials
      • Particles crossing an interface
      • Hexagonal lattices with basis
      • Mesocrystal
      • Large particle formfactor
      • Custom formfactor
    • Beam and detector
      • Beam divergence
      • Adding constant background
      • Detector resolution function
      • Off-Specular
      • Off-Specular - Resonators
      • Rectangular detector
    • Reflectometry
      • Simulation with a rough sample
      • Different roughness models
      • Footprint correction
      • Beam Angular Spread
      • Beam Wavelength Spread
      • Material profile
      • Material profile with particles
      • Time of Flight Reflectometry
      • ToF - Resolution effects
    • Polarized reflectometry
      • Basic polarized reflectometry
      • Spin-flip reflectivity
      • Without analyzer
      • Non-perfect polarizer + analyzer
      • Spin asymmetry example
      • Spin asymmetry fit example
    • Fitting
      • Basic examples
        • Minimal fit example
        • Basic fit example
        • Minimizer settings
        • Consecutive fitting
      • Advanced examples
        • Fitting with masks
        • Fitting along slices
        • Find background
        • Simultaneous fit of two datasets
      • Extended examples
        • Fitting reflectometry data
        • Custom objective function
        • Experiment at GALAXI
        • Considering uncertainties
        • External minimizer
        • External minimizer: plotting
        • Reflectometry: Real life fitting
        • Reflectometry: Fit Pt layer
        • Reflectometry: Fit honeycomb
    • Miscellaneous
      • Finding Intensity Peaks
      • Depth-probe
      • Plotting with axes in different units
      • Working with sample parameters
      • Polarized SANS
      • Boxes With Specular Peak
      • Cylinders in Averaged Layer
      • Hemispheres in Averaged Layer
  • How to
    • Get announcements
    • Solve known problems
    • Request help or report bugs
    • Contribute to this documentation
    • Cite BornAgain