| General |
| easyspin | Information and tasks relating to the EasySpin installation |
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| Data import and export |
| eprload | Read spectrum files in common EPR data formats |
| eprsave | Save data in Bruker EPR file format |
| orca2easyspin | Import ORCA calculation results |
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| Spectral simulations |
| esfit | Least-squares fitting of EPR spectra |
| garlic | Isotropic and fast-motion cw EPR spectra |
| chili | Slow-motion cw EPR spectra |
| cardamom | Trajectory-based cw EPR spectra |
| pepper | Solid-state cw EPR spectra |
| saffron | Pulse EPR spectra |
| salt | ENDOR spectra |
| spidyan | Spin dynamics with arbitrary waveforms |
| curry | Magnetometry data |
| blochsteady | Steady-state solutions of Bloch equations |
| nucfrq2d | Sketch of HYSCORE spectra |
| dipkernel | Dipolar EPR signal (DEER) |
| photoselect | Photoselection weights |
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| Stochastic simulations |
| mdhmm | Build hidden Markov model from molecular-dynamics trajectories |
| mdload | Load molecular-dynamics trajectory from file |
| stochtraj_diffusion | Simulate trajectories of rotational diffusion |
| stochtraj_jump | Simulate trajectories of Markovian jumps |
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| Utilities |
| diptensor | Dipolar tensors |
| eprconvert | Graphical frequency/field/g value conversion utility |
| exciteprofile | Pulse excitation profile calculation |
| fastmotion | Fast-motion regime line width parameters from rotational correlation time. |
| isotopes | A browsable list of isotopes |
| mhz2mt | Conversion from MHz to mT |
| mt2mhz | Conversion from mT to MHz |
| pulse | Computes pulse functions for a series of amplitude- and phase-modulated pulses |
| rfmixer | Digital up- and downconversion |
| resonator | Simulation of/compensation for the resonator transfer function. |
| resonatorprofile | resonator profile (transfer function or reflection coefficient) |
| transmitter | Simulation of/compensation for transmitter nonlinearity. |
| zfsframes | Zero-field splitting tensor frames analysis |
| unitconvert | Unit conversion |
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| Spin systems |
| spinladder | Computes spin Hamiltonians for the manifolds of a spin-coupled pair |
| nucspinadd | Adds a nuclear spin to a spin system |
| nucspinkeep | Removes nuclear spins from a spin system |
| nucspinrmv | Removes nuclear spins from a spin system |
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| Data analysis |
| addnoise | Add noise to a signal |
| basecorr | Polynomial baseline correction |
| ctafft | Cross-term averaged FFT |
| datasmooth | Moving averages: smoothing and differentiation |
| deriv | Numerical differentiation |
| ewrls | Least-squares adaptive filter averaging |
| exponfit | Exponential fitting |
| fdaxis | Frequency domain axis for FFT |
| fieldmod | Field modulation of EPR absorption spectra |
| lpsvd | Performs LPSVD on a signal |
| rapidscan2spc | Convert rapid-scan signal to EPR spectrum |
| rcfilt | RC filtering of EPR spectra |
| rescaledata | Rescale data |
| stackplot | Stacked plot of 1D data |
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| Vectors, orientations and angles |
| ang2vec | Converts polar angles to cartesian unit vector |
| degree | Conversion between radians and degrees |
| erot | Computes rotation matrix from Euler angles |
| eulang | Euler angles from rotation matrix |
| rotateframe | Rotate a frame given by Euler angles |
| rotaxi2mat | Convert rotation axis plus angle to rotation matrix |
| rotmat2axi | Convert rotation matrix to rotation axis plus angle |
| rotview | Visual display of rotations (Euler angles etc) |
| vec2ang | Polar angles from cartesian unit vector |
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| Quaternions |
| euler2quat | Converts a set of Euler angles to a unit quaternion |
| rotmat2quat | Converts a rotation matrix to a unit quaternion |
| quat2euler | Converts a unit quaternion to a set of Euler angles |
| quat2rotmat | Converts a unit quaternion to a rotation matrix |
| quatvecmult | Rotates a vector using a unit quaternion |
| quatmult | Performs quaternion multiplication between two quaternions |
| quatinv | Calculates the inverse of a unit quaternion. |
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| Line shapes and windows |
| apowin | Apodization windows. |
| convspec | Convolute spectrum with line shape |
| gaussian | Gaussian line shape |
| hilberttrans | Hilbert transform |
| lorentzian | Lorentzian line shape | |
| lshape | General line shape function |
| makespec | Construct spectrum from peak positions and amplitudes |
| voigtian | Voigtian line shape function |
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| Physical constants |
| nucabund | Natural abundance of nuclear isotopes |
| nucdata | Nuclear spin data |
| nucgval | Nuclear g values |
| nucqmom | Nuclear electric quadrupole moments |
| nucspin | Nuclear spin quantum numbers |
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| amu | Atomic unit of mass |
| angstrom | Molecular-scale length unit |
| avogadro | Avogadro constant |
| barn | Conventional unit of nuclear quadrupole moments |
| bmagn | Bohr magneton |
| bohrrad | Bohr radius |
| boltzm | Boltzmann constant |
| clight | Vacuum speed of light |
| echarge | Elementary electric charge |
| emass | Mass of electron |
| eps0 | Electric constant, vacuum permittivity |
| evolt | Electron volt |
| faraday | Faraday constant |
| gammae | Electron gyromagnetic ratio |
| gfree | g value of the free electron |
| hartree | Atomic unit of energy |
| hbar | Reduced Planck constant |
| molgas | Molar gas constant |
| mu0 | Magnetic constant, vacuum permeability |
| nmagn | Nuclear magneton |
| nmass | Mass of neutron |
| planck | Planck constant |
| pmass | Mass of proton |
| rydberg | Rydberg constant |
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| Spin physics |
| cgmatrix | Transformation between uncoupled and coupled representations |
| commute | Commutator of two matrices |
| equivcouple | Coupling of equivalent spins |
| equivsplit | Splitting pattern for equivalent spins |
| hsdim | State space dimension of a spin system |
| isto | Irreducible spherical tensor operators |
| larmorfrq | Larmor frequency of nuclear spins |
| sop | Spin operator matrices |
| spinvec | Spin quantum numbers in a spin system |
| stev | Extended Stevens operator matrices |
| tensor_cart2sph | Convert cartesian to spherical tensors |
| tensor_sph2cart | Convert spherical to cartesian tensors |
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| Angular momentum |
| clebschgordan | Clebsch-Gordan coefficients |
| plegendre | Legendre polynomials and Associated Legendre polynomials |
| spherharm | Spherical harmonics |
| wigner3j | Wigner 3-j symbols |
| wigner6j | Wigner 6-j symbols |
| wignerd | Wigner rotation matrices |
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| Energy levels, resonances and propagations |
| resfields_eig | Resonance fields using eigenfield equation |
| endorfrq | ENDOR frequencies and amplitudes |
| evolve | Evolves density matrices in time-domain |
| levels | Energy levels computation |
| levelsplot | Energy levels and resonances plot |
| orisel | Orientation selection |
| propint | Compute pulse propagator |
| resfields | Resonance fields and amplitudes, matrix diagonalization |
| resfields_perturb | Resonance fields and amplitudes, perturbation theory |
| resfreqs_matrix | Resonance frequencies and amplitudes, matrix diagonalization |
| resfreqs_perturb | Resonance frequencies and amplitudes, perturbation theory |
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| Orientations |
| oripotentialplot | Plot orientational potential |
| sphgrid | Triangular orientational grids |
| sphrand | Random orientational grids |
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| Hamiltonians and densities |
| ham | Full Spin Hamiltonian |
| ham_cf | Crystal field Hamiltonian |
| ham_ee | Electron-electron interaction Hamiltonian |
| ham_ez | Electron Zeeman interaction Hamiltonian |
| ham_ezho | Higher-order electron Zeeman interaction Hamiltonian |
| ham_hf | Hyperfine interaction Hamiltonian |
| ham_nq | Nuclear quadrupole interaction Hamiltonian |
| ham_nn | Nucleus-nucleus interaction Hamiltonian |
| ham_nz | Nuclear Zeeman interaction Hamiltonian |
| ham_oz | Orbital Zeeman interaction Hamiltonian |
| ham_so | Spin-orbit coupling Hamiltonian |
| ham_zf | Electron zero field interaction Hamiltonian |
| hamsymm | Symmetry determination for spin Hamiltonians |
| sigeq | Thermal equilibrium density matrix |
