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MatType To refer to one of the matrices stored internally in DS |
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StateType DS state types |
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Type DS type |
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a new object with type S, a subtype of T |
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Inherited from |
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Inherited from |
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Allocates memory for internal storage or matrices in DS. Parameters
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Creates the DS object. Parameters
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Gets the compact storage flag. Returns
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Returns the current dimensions. Returns
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Gets the extra row flag. Returns
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Returns the leading dimension of the allocated matrices. Returns
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Returns the requested matrix as a sequential dense Mat object. Parameters
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Gets the method currently used in the DS. Returns
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Gets the prefix used for searching for all DS options in the database. Returns
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Gets the refined vectors flag. Returns
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Returns the current state. Returns
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Gets the DS type of this object. Returns
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Switch to compact storage of matrices. Parameters
NotesCompact storage is used in some DS types such as DS.Type.HEP when the matrix is tridiagonal. This flag can be used to indicate whether the user provides the matrix entries via the compact form (the tridiagonal DS.MatType.T) or the non-compact one (DS.MatType.A). The default is False. |
Resize the matrices in the DS object. Parameters
NotesThe internal arrays are not reallocated. The value |
Sets a flag to indicate that the matrix has one extra row. Parameters
NotesIn Krylov methods it is useful that the matrix representing the direct solver has one extra row, i.e., has dimension (n+1)*n . If this flag is activated, all transformations applied to the right of the matrix also affect this additional row. In that case, (n+1) must be less or equal than the leading dimension. The default is False. |
Sets DS options from the options database. NotesTo see all options, run your program with the -help option.
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Selects the method to be used to solve the problem. Parameters
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Sets the prefix used for searching for all DS options in the database. Parameters
NotesA hyphen (-) must NOT be given at the beginning of the prefix name. The first character of all runtime options is AUTOMATICALLY the hyphen.
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Sets a flag to indicate that refined vectors must be computed. Parameters
NotesNormally the vectors returned in DS.MatType.X are eigenvectors
of the projected matrix. With this flag activated, The default is False. |
Change the state of the DS object. Parameters
NotesThe state indicates that the dense system is in an initial state (raw), in an intermediate state (such as tridiagonal, Hessenberg or Hessenberg-triangular), in a condensed state (such as diagonal, Schur or generalized Schur), or in a truncated state. This function is normally used to return to the raw state when the condensed structure is destroyed. |
Selects the type for the DS object. Parameters
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Truncates the system represented in the DS object. Parameters
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Prints the DS data structure. Parameters
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