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| General |
| easyspininfo | Information about EasySpin installation |
| eprload | Read spectrum files in common EPR data formats |
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| Spectral simulations |
| garlic | Isotropic and fast-motion cw EPR spectra |
| chili | Slow-motion cw EPR spectra |
| pepper | Solid-state cw EPR spectra |
| salt | ENDOR spectra |
| nucfrq2d | Sketch of HYSCORE spectra |
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| Utilities |
| eprconvert | Graphical frequency/field/g value conversion utility |
| fastmotion | Fast-motion regime line width parameters from rotational correlation time. |
| isotopes | A browsable list of isotopes |
| mhz2mt | Unit conversion from MHz to mT |
| mt2mhz | Unit conversion from mT to MHz |
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| Spin systems |
| nucspinadd | Adds a nuclear spin to a spin system |
| nucspinrmv | Removes a nuclear spin from a spin system |
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| Data analysis |
| basecorr | Polynomial baseline correction |
| ctafft | Cross-term averaged FFT |
| deriv | Numerical differentiation |
| exponfit | Exponential fitting |
| fdaxis | Frequency domain axis for FFT |
| pseumod | Pseudo-modulation of EPR absorption spectra |
| rcfilt | RC filtering of EPR spectra |
| smooth | Moving averages: smoothing and differentiation |
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| Vectors, orientations and angles |
| ang2vec | Converts polar angles to cartesian unit vector |
| erot | Computes rotation matrix from Euler angles |
| eulang | Euler angles from rotation matrix |
| rotaxi2mat | Convert rotation axis plus angle to rotation matrix |
| rotmat2axi | Convert rotation matrix to rotation axis plus angle |
| vec2ang | Polar angles from cartesian unit vector |
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| Line shapes and windows |
| apowin | Apodization windows. |
| convspec | Convolute spectrum with line shape |
| gaussian | Gaussian line shape |
| 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 quadupole moments |
| bmagn | Bohr magneton |
| bohrrad | Bohr radius |
| boltzm | Boltzmann constant |
| clight | Vacuum speed of light |
| echarge | Elementary electric charge |
| emass | Mass of electron |
| faraday | Faraday constant |
| gfree | g value of the free electron |
| hartree | Atomic unit of energy |
| molgas | Molar gas constant |
| nmagn | Nuclear magneton |
| nmass | Mass of neutron |
| planck | Planck constant |
| pmass | Mass of proton |
| rydberg | Rydberg constant |
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| Basic spin physics |
| commute | Commutator of two matrices |
| equivcouple | Coupling of equivalent spins |
| equivsplit | Splitting pattern for equivalent spins |
| hsdim | State space dimension of a spin system |
| larmorfrq | Larmor frequency of nuclear spins |
| sop | Spin operator matrices |
| spinvec | Spin quantum numbers in a spin system |
| stev | Extended Stevens operator matrices |
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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 |
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| Energy levels, resonances and propagations |
| eigfields | 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 | General resonance fields and amplitudes |
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| Orientations |
| sphgrid | Triangular orientational grids |
| sphrand | Random orientational grids |
| sphtri | Triangulation of orientational grids |
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| Hamiltonians and densities |
| eeint | Electron-electron interaction Hamiltonian |
| hfine | Hyperfine interaction Hamiltonian |
| internal | Internal interactions Hamiltonian |
| nquad | Nuclear quadrupole interaction Hamiltonian |
| sham | Full Spin Hamiltonian |
| sigeq | Thermal equilibrium density matrix |
| symm | Symmetry determination for Spin Hamiltonians |
| zeeman | Zeeman Hamiltonian |
| zfield | Electronic zero field interaction Hamiltonian |