Difference between revisions of "Inv rec.m"
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{{DISPLAYTITLE:inv_rec.m}} __NOTOC__ | {{DISPLAYTITLE:inv_rec.m}} __NOTOC__ | ||
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Inversion-recovery pulse sequence. | Inversion-recovery pulse sequence. | ||
==Syntax== | ==Syntax== | ||
| − | fids=inv_rec(spin_system,parameters,H,R,K) | + | fids=inv_rec(spin_system,parameters,H,R,K) |
==Arguments== | ==Arguments== | ||
| − | parameters.sweep spectrum sweep width, Hz | + | parameters.sweep spectrum sweep width, Hz |
parameters.npoints number of points in the FID | parameters.npoints number of points in the FID | ||
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==Outputs== | ==Outputs== | ||
| − | fids - free induction decays for each delay starting from zero, | + | fids - free induction decays for each delay starting from zero, |
a matrix with individual FIDs in columns | a matrix with individual FIDs in columns | ||
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==Examples== | ==Examples== | ||
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A simulation of a inversion-recovery experiment on strychnine (examples/nmr_liquids/sat_rec_strychnine.m) appears below - it is a stack of spectra obtained after different relaxation delays. | A simulation of a inversion-recovery experiment on strychnine (examples/nmr_liquids/sat_rec_strychnine.m) appears below - it is a stack of spectra obtained after different relaxation delays. | ||
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==Notes== | ==Notes== | ||
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The relaxation superoperator must be thermalised. | The relaxation superoperator must be thermalised. | ||
==See also== | ==See also== | ||
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[[sat_rec.m]], [[noesy.m]], [[roesy.m]], [[singlet.m]], [[relaxation.m]] | [[sat_rec.m]], [[noesy.m]], [[roesy.m]], [[singlet.m]], [[relaxation.m]] | ||
''Version 2.3, authors: [[Zak El-Machachi]], [[Ilya Kuprov]]'' | ''Version 2.3, authors: [[Zak El-Machachi]], [[Ilya Kuprov]]'' | ||
Revision as of 15:49, 5 April 2026
Inversion-recovery pulse sequence.
Syntax
fids=inv_rec(spin_system,parameters,H,R,K)
Arguments
parameters.sweep spectrum sweep width, Hz
parameters.npoints number of points in the FID
parameters.spins nuclei on which the sequence runs,
specified as {'1H'}, {'13C'}, etc.
parameters.max_delay longest relaxation delay
parameters.n_delays number of relaxation delays to run
H - Hamiltonian matrix, received from context function
R - relaxation superoperator, received from context function
K - kinetics superoperator, received from context function
Outputs
fids - free induction decays for each delay starting from zero,
a matrix with individual FIDs in columns
Examples
A simulation of a inversion-recovery experiment on strychnine (examples/nmr_liquids/sat_rec_strychnine.m) appears below - it is a stack of spectra obtained after different relaxation delays.
Notes
The relaxation superoperator must be thermalised.
See also
sat_rec.m, noesy.m, roesy.m, singlet.m, relaxation.m
Version 2.3, authors: Zak El-Machachi, Ilya Kuprov
