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In mathematics, the folded spectrum method (FSM) is an iterative method for solving large eigenvalue problems.Here you always find a vector with an eigenvalue close to a search-value . This means you can get a vector in the middle of the spectrum without solving the matrix. , with and the Identity matrix. In contrast to the Conjugate gradient method, here the gradient calculates by twice multiplying matrix

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  • Spektrumsfaltung (de)
  • Folded spectrum method (en)
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  • Der Begriff Folded Spectrum Method (FSM) bzw. Spektrumsfaltung bezeichnet ein mathematisches iteratives Optimierungsverfahren für Eigenwertprobleme.Mit ihm ist es möglich, den Eigenvektor eines großen Eigenwertproblems zur Matrix zu bestimmen, der am nächsten an einem beliebigen Ziel-Eigenwert (aus der Mitte des Spektrums) liegt, ohne die gesamte Matrix lösen zu müssen. (de)
  • In mathematics, the folded spectrum method (FSM) is an iterative method for solving large eigenvalue problems.Here you always find a vector with an eigenvalue close to a search-value . This means you can get a vector in the middle of the spectrum without solving the matrix. , with and the Identity matrix. In contrast to the Conjugate gradient method, here the gradient calculates by twice multiplying matrix (en)
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  • Der Begriff Folded Spectrum Method (FSM) bzw. Spektrumsfaltung bezeichnet ein mathematisches iteratives Optimierungsverfahren für Eigenwertprobleme.Mit ihm ist es möglich, den Eigenvektor eines großen Eigenwertproblems zur Matrix zu bestimmen, der am nächsten an einem beliebigen Ziel-Eigenwert (aus der Mitte des Spektrums) liegt, ohne die gesamte Matrix lösen zu müssen. (de)
  • In mathematics, the folded spectrum method (FSM) is an iterative method for solving large eigenvalue problems.Here you always find a vector with an eigenvalue close to a search-value . This means you can get a vector in the middle of the spectrum without solving the matrix. , with and the Identity matrix. In contrast to the Conjugate gradient method, here the gradient calculates by twice multiplying matrix (en)
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