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Xavier Andrade edited abstract.tex
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This article presents a new method to compute matrices on numerical simulations based on the ideas of sparse sampling and compressed sensing.
It The methods is useful for problems where the determination of the entries of a matrix constitutes the computational bottleneck. We apply this new method to an important problem in computational chemistry: the determination of molecular vibrations from electronic structure
calculations.
Our calculations, where our results show that
in some cases our approach can improve the overall scaling of the
procedure.
Moreover, it procedure can
significantly be improved in some cases. Moreover, we see a siginificant speed-up
in actual calculations,
in particular since especially when we use our approach
allows us to bootstrap the calculations using
result from lower-accuracy
methods. or approximated results.