Difference between revisions of "Svd shrink.m"

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(Created page with "Generates a minimal set of vector-covector pairs for the parallel implementation of the time propagation algorithm described in http://dx.doi.org/10.1063/1.3679656 (Equation 9...")
 
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Generates a minimal set of vector-covector pairs for the parallel
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{{DISPLAYTITLE:svd_shrink.m}} __NOTOC__
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implementation of the time propagation algorithm described in
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Generates sets of vector-covector pairs for the parallel implementation of the time propagation algorithm described in http://dx.doi.org/10.1063/1.3679656 (Equation 9).
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http://dx.doi.org/10.1063/1.3679656 (Equation 9). Syntax:
 
  
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        [vec,cov]=svd_shrink(spin_system,rho,tol)
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==Syntax==
  
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Parameters:
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    [vec,cov]=svd_shrink(spin_system,rho,tol)
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==Arguments==
  
 
         rho  -  density matrix
 
         rho  -  density matrix
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        tol  -  singluar value drop tolerance
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==Outputs==
  
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         tol   -  singluar value drop tolerance
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         vec   -  vectors as columns of a matrix
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        cov  -  covectors as columns of a matrix
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==See also==
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[[evolution.m]], [[krylov.m]], [[reduce.m]]
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''Version 2.3, authors: [[Ilya Kuprov]], [[Luke Edwards]]''

Revision as of 18:28, 28 December 2018

Generates sets of vector-covector pairs for the parallel implementation of the time propagation algorithm described in http://dx.doi.org/10.1063/1.3679656 (Equation 9).

Syntax

    [vec,cov]=svd_shrink(spin_system,rho,tol)

Arguments

        rho   -   density matrix

        tol   -   singluar value drop tolerance

Outputs

        vec   -   vectors as columns of a matrix

        cov   -   covectors as columns of a matrix

See also

evolution.m, krylov.m, reduce.m


Version 2.3, authors: Ilya Kuprov, Luke Edwards