Difference between revisions of "Svd shrink.m"
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| − | Generates | + | {{DISPLAYTITLE:svd_shrink.m}} __NOTOC__ |
| − | implementation of the time propagation algorithm described in | + | 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). |
| − | http://dx.doi.org/10.1063/1.3679656 (Equation 9). | ||
| − | + | ==Syntax== | |
| − | Parameters | + | [vec,cov]=svd_shrink(spin_system,rho,tol) |
| + | |||
| + | ==Parameters== | ||
rho - density matrix | 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]], [[acomm.m]], [[arnoldi.m]], [[atranspose.m]], [[aux_mat.m]], [[binpack.m]], [[cheap_norm.m]], [[cheb_coeff.m]], [[clean_up.m]], [[dirdiff.m]], [[eigenfields.m]], [[expdrop.m]], [[expmint.m]], [[expmint2.m]], [[fftdiff.m]], [[fourdif.m]], [[fourlap.m]], [[frob_chop.m]], [[gaussfun.m]], [[hdot.m]], [[herm_spline.m]], [[jacobianest.m]], [[keep_rank.m]], [[krondelta.m]], [[kronm_new.m]], [[logfactorial.m]], [[lorentzcon.m]], [[lorentzfun.m]], [[md5_hash.m]], [[mprealloc.m]], [[remncomm.m]], [[remtrace.m]], [[rspert.m]], [[rspt_eig.m]], [[snormpdf.m]], [[tikhoind.m]], [[tikhonov.m]], [[trapdiff.m]], [[unit_oper.m]], [[unit_state.m]], [[vvpert.m]], [[Kernel_utilities]] | ||
| + | |||
| + | ''Version 2.3, authors: [[Ilya Kuprov]], [[Luke Edwards]]'' | ||
Latest revision as of 19:42, 6 June 2026
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)
Parameters
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, acomm.m, arnoldi.m, atranspose.m, aux_mat.m, binpack.m, cheap_norm.m, cheb_coeff.m, clean_up.m, dirdiff.m, eigenfields.m, expdrop.m, expmint.m, expmint2.m, fftdiff.m, fourdif.m, fourlap.m, frob_chop.m, gaussfun.m, hdot.m, herm_spline.m, jacobianest.m, keep_rank.m, krondelta.m, kronm_new.m, logfactorial.m, lorentzcon.m, lorentzfun.m, md5_hash.m, mprealloc.m, remncomm.m, remtrace.m, rspert.m, rspt_eig.m, snormpdf.m, tikhoind.m, tikhonov.m, trapdiff.m, unit_oper.m, unit_state.m, vvpert.m, Kernel_utilities
Version 2.3, authors: Ilya Kuprov, Luke Edwards
