Crazed.m

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CRAZED pulse sequence. Literal implementation of the sequence described by Warren & Co in http://dx.doi.org/10.1126/science.8266096. Syntax:

               fid=crazed(spin_system,parameters,H,R,K)

where H is the Hamiltonian commutation superoperator, R is the relaxa- tion superoperator and K is the chemical kinetics superoperator. The following parameters are required:

 parameters.sweep              sweep width in Hz
 parameters.npoints            number of points for both dimensions
 parameters.spins              nuclei on which the sequence runs,
                               specified as {'1H'}, {'13C'}, etc. 
 parameters.angle              second pulse angle
 parameters.rho0               initial condition